Consider a scenario, wherein, you try to mount a database on a server that is running Microsoft Exchange Server, and instead receive the following error message:

“An internal processing error has occurred. Try restarting the Exchange System Manager or the Microsoft Exchange Information Store service, or both.
ID no: c1041724
Exchange System Manager”

Additionally, the following event is logged in the Application log:

Event Type: Error
Event Source: MSExchangeSA
Event Category: (14)
Event ID: 9175
Description: The MAPI call ‘OpenMsgStore’ failed with the following error: The Microsoft Exchange Server computer is not available. Either there are network problems or the Microsoft Exchange Server computer is down for maintenance. The MAPI provider failed. Microsoft Exchange Server Information Store ID no: 8004011d-0526-00000000

or

Event Type: Error
Event Source: ESE
Event Category: General
Event ID: 486
Description: Information Store (3932) First Storage Group: An attempt to move the file “E:\Program Files\Exchsrvr\mdbdata\E00.log” to “E:\Program Files\Exchsrvr\mdbdata\E000080A.log” failed with system error 2 (0×00000002): “The system cannot find the file specified.” The move file operation will fail with error -1811 (0xfffff8ed).

Cause

The above error message can surface in the following conditions:

1. Error 1811 relates to JET_errFileNotFound. This issue may pop up in an Exchange log (E00.log)  file that has a mismatching signature and LGeneration. If E00.log file has a mismatching signature, the information store won’t mount even if the databases are consistent.
2. If an anti-virus program quarantines, deletes or interferes the current Exchange log file.

Resolution

To perform Exchange recovery,  ensure the anti-virus is not configured to scan the Exchange Server directories. Check the log files of the anti-virus program to verify whether the Exchange log file was quarantined or deleted.

1. If quarantined, recover the Exchange log file by executing the following steps:

a) Recover the Log to folder which contains production files
b) Start MS Exchange Information Store Service. In case other Exchange log files are not missing, the database will mount. In case more log files are found to be missing, check the missing log files in the quarantine folder. If you cannot find the files, follow the next step.

2. If deleted, recover the Exchange log file by following these steps:

a) Move all the inconsistent databases to backup folder
b) In case, new E00.log file is made, move it to the backup folder. Also, move E00.chk and copy the existing files.
c)Rename last E00*.log file as E00.log
d) Restore database from backup.

If you do not have a backup, you must consider using third-party Exchange Server recovery software to bring EDB database files to consistent state.

Stellar Phoenix Mailbox Exchange Recovery extracts inaccessible data from corrupt .edb files and  is compatible with Exchange Server 5.5, 2000, 2003, and 2007. This Exchange recovery tool recovers all e-mail messages, notes, journals, tasks, contacts and other components.

Visit here to download stellar phoenix mailbox exchange recovery software:

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exchange recovery

Like other databases, Microsoft Exchange Server database (EDB file) may also corrupt at some point of time and does not let you perform typical Exchange Server operations. The corruption can be of two types – Logical and Physical. Logical corruption is pretty common and occurs due to internal fault in the database. When it happens, Microsoft Exchange Server database becomes totally unusable and you encounter serious data loss. MS Exchange Server does not include any utility to detect and fix logical corruption. Thus, you are required to opt for Exchange Recovery to get your valuable data back.

You may encounter logical corruption of EDB file due to any of the following reasons:

1.If you incorrectly run the soft recovery using eseutil /r tool after restoring database from an online backup, it replays only log files and ignores the patch files. It may result in logical corruption. Extensible Storage Engine 98 does not let you run the soft recovery on an EDB file that needs hard recovery. In case you try this, the following Jet error appears in Application Event Log of Exchange Server:

“JET_errSoftRecoveryOnBackupDatabase (-544)”

2.If you initialize an inconsistent EDB file, the process checks whether that log range specified in database header is there in directory of log, and signatures of both log and database are correct. In case it does not find the specified values, it logs the below event:

“JET_errRequiredLogFilesMissing (-543)”

3.The database may also face logical corruption if you run eseutil /p utility. Jet-level Exchange Server database repairs result in some inefficient disk space uses and data loss, because it fixes the EDB file by deleting the corrupt data.

Resolution

To fix this problem and ensure effective Microsoft Exchange recovery, follow the underwritten steps:

1. Defragment the database using eseutil /d command and then run database integrity check using Isinteg -fix command.
2. Restore corrupt EDB file from the most recent backup. You should not run the soft recovery after restoring from backup as it may cause further damage.
3. Use third party Exchange recovery software to repair and restore the problem database.

The Exchange recovery tool is particularly designed to perform in-depth scan of entire EDB file and extract all inaccessible data from it. They offer simple and secure Exchange Server Recovery due to their rich graphical user interface and non-destructive nature.

Stellar Phoenix Exchange Mailbox Recovery is the most efficient and comprehensive exchange server recovery tool to offer exchange database recovery in all EDB corruption scenarios. It restores emails, contacts, tasks, notes, journal, attachments, appointments, and other EDB file objects. The exchange user profile recovery software works well with MS Exchange Server 2007, 2003, 2000, and 5.5.

Consider a scenario wherein you are unable to mount an MS Exchange Server 2000 mailbox store using Microsoft Exchange System Manager. An error message is displayed, that is:

“An internal processing error has occurred. Try restarting the Exchange System Manager or the Microsoft Exchange Information Store service, or both. ID no: c1041724 Exchange System Manager”

In addition, either or all of the following event IDs will be logged in the Application event log as well:

1. Event Type: Error
Event Source: MSExchangeSA
Event Category: MAPI Session
Event ID: 9175
Description:
The MAPI call ‘OpenMsgStore’ failed with the following error: The attempt to log on to the Microsoft Exchange Server computer has failed. The MAPI provider failed. Microsoft Exchange Server Information Store ID no: 8004011d-0512-00000000

3. Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 9519
Description:
Error 0×80004005 starting database “First Storage Group\Private Information Store (servername)” on the Microsoft Exchange Information Store.

Cause:

The root cause of this problem is that the System mailbox object exists in the System Objects container, which is created for this mailbox store. And when you try to mount it, Exchange Server creates another object for the same, which is causing the problem.

Resolution:

To resolve this issue, you should perform the following steps:

1.Start the Active Directory Users and Computers snap-in.
2.Click the Advanced Features option in the View menu.
3.Find the Microsoft Exchange System Objects container, and then look for the System mailbox object whose mailbox store you were trying to mount.
4.Delete the System mailbox. Now try to mount the mailbox store. It should run fine now.

However, there are few instances when the problem is not resolved using these steps. In such cases, you should use a third-party Microsoft Exchange Recovery software. Such read-only tools are highly interactive and user friendly in nature that ensure safe and secure Exchange Server recovery.

Stellar Phoenix Mailbox Exchange Recovery software is an Exchange recovery software that repairs corrupted Exchange mailboxes created in MS Exchange Server 5.5, 2000, 2003, and 2007. It restores the mailboxes into separate PST files for each user. This Exchange Server Recovery utility is compatible with Windows 7, Vista, Server 2003, XP, and 2000.

For instance, you may run across the below error message when you attempt to mount an Exchange Server mailbox or public store after log file corruption:

“An internal processing error has occurred. Try restarting the Exchange System Manager or the Microsoft Exchange Information Store service, or both. ID no: c1041724”

At the same time, you may see any of the below events in Application Event Log of Microsoft Exchange Server:

1. Event ID: 465
Source: Ese98
Type: Error
Computer: Server1
Information Store (2184) Corruption was detected during soft recovery in logfile C:\Programme\Exchsrvr\mdbdata\E00000E8.log. The failing checksum record is located at position 6531:471. Data not matching the log-file fill pattern first appeared in sector 6600. This logfile has been damaged and is unusable.
For more information, click http://search.support.microsoft.com/search/?adv=1.

2. Event ID: 454
Source: Ese98
Type: Error
Computer: Server1
Information Store (2184) Database recovery/restore failed with unexpected error -501.

Subsequent to the above errors, you cannot mount the database and access stored data from it. In order to gain access of your valuable data, you must fix this problem through Microsoft Exchange recovery solutions.

Root of the problem:

This behavior generally occurs due to log file corruption or Exchange Server public store corruption. In both the situations, database can not be mounted and accessed.

Resolution:

You need to remove the log file and reboot Exchange Server, if problem is caused by log file corruption. On the other hand, if public store corruption is causing this behavior, you need to repair database using Exchange recovery software. The Exchange recovery tools successfully handle all corruption scenarios.

Stellar Phoenix Mailbox Exchange Recovery is a read-only software with simple graphical user interface to offer safe and easy recovery. The software works well with Microsoft Exchange Server 2007, 2003, 2000, and 5.5.

For instance, you may come across any of the following behaviors after restoring the Exchange Server database from current backup:

1.You manage to restore the EDB file, but it single. There is no catalog data or transaction log file.
2.The Eseutil /p utility runs successfully on corrupt database, but it cannot be accessed.
3.You cannot check the state of your Exchange Server database using Eseutil /mh utility.
4.You get the following errors while checking the state of restored database:

a) Initiating FILE DUMP mode…
Error: Access to source database ‘c:\mailbox database.edb’ failed with Jet error -1022.
b) Operation terminated with error -1022 (JET_errDiskIO, Disk IO error) after 0.203 seconds.

When this behavior occurs, Exchange Server database becomes totally unusable and inaccessible. You encounter same behavior every time you try to open the database. In order to gain access of your valuable data, you need to figure out the root of this issue and perform Microsoft Exchange recovery by fixing it.

Cause

This behavior occurs due to missing log files or corrupt backup file. In both the cases, Exchange Server cannot access the source database and you face this issue.

Resolution

You can try resolving this problem using Eseutil /p command line tool or by restoring the database again from backup. If possible, move unaffected files from problem database to new database.

If the above method does not work, you need to repair and restore corrupt Exchange Server database using advanced and powerful third-party applications, known as Exchange recovery software.

The Exchange recovery tool is competent enough to systematically scan whole database and extract all inaccessible data from it. They come equipped with rich and interactive user interface to offer easy edb recovery from corrupted or damaged Exchange Server.

Stellar Phoenix Mailbox Exchange Recovery is the most efficient solution to effectively handle all sorts of database corruption issues. It works well with Microsoft Exchange Server 2007, 2003, 2002, and 5.5. The Exchange Recovery software successfully restores all EDB file objects, such as emails, notes, contacts, tasks, journal, attachments, and appointments.

As a practical case, when you try and mount the mailbox store in Microsoft Exchange Server 2003, you may not be able to do so. Additionally, the following event Ids may be logged in the Application event log:

Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 1112
Description: The database “Mailbox Store (Server Name)” has reached the maximum allowed size. Attempting to unmount the database.

Event Type: Warning
Event Source: ESE
Event Category: Space Management
Event ID: 445
Description: Information Store

The database D:\Program Files\Exchsrvr\MDBDATA\priv1.edb has reached its maximum size of 16383 MB. If the database cannot be restarted, an offline defragmentation may be performed to reduce its size.

Cause

The above situation surfaces when the .edb file of MS Exchange Server 2003 becomes corrupt after exceeding the size limit of 16 GB.

Resolution

In order to perform EDB Recovery, you must consider following steps:

A) In order to permanently avoid the problem, you must upgrade to Exchange Server 2003 Service Pack 2
B) Being the administrator, you can adopt the following steps:

1. Temporarily increase the database size limit by 1 GB, to enable this you must create the Temporary DB Size Limit Extension registry entry.
2. You can remove the not-so-significant database content
3. Go for offline defragmentation

In case, you are not able to overcome the problem, then you must go for a third-party Microsoft Exchange recovery software.

Stellar Phoenix Mailbox Exchange Recovery is an advanced software which repairs corrupt .edb files and recovers mailboxes as separate PSTs which can be directly imported in Outlook. Compatible with Exchange Server 5.5, 2000, 2003, and 2007, the Exchange Server Recovery software also performs recovery of deleted mailboxes.

As a practical example of this problem, the hard recovery of Exchange Server with Eseutil /cc may fail and you come across the below error message:

“Operation terminated with error -939523485 (Existing log file is not contiguous.) after 0.481 seconds.”

At the same time, you may see any of the following Events in the Application Event Log of Microsoft Exchange Server:

1.Event Type: Information
Event Source: ESE
Event Category: General
Event ID: 101
Date: 8/30/2002
Time: 11:32:31 PM
User: N/A
Computer: ServerName
Description: Information Store (1504) The database engine stopped.

For more information, click http://search.support.microsoft.com/search/?adv=1.
2.Event Type: Error
Event Source: ESE BACKUP
Event Category: Callback
Event ID: 904
Date: 8/30/2002
Time: 11:32:31 PM
User: N/A
Computer: ServerName
Description: Information Store (1504) Callback function call ErrESECBRestoreComplete ended with error 0xC8000263 Existing log file is not contiguous.

For more information, click http://search.support.microsoft.com/search/?adv=1.

After this behavior, you may come across critical data loss situations. To retrieve data in such cases, you need to figure out the cause of this behavior and perform Microsoft Exchange recovery by fixing it.

Root of the problem:

You may come across this problem if the old log files are not in sequence with log, which is mentioned in the Restore.env file. You can file all the required log files using Eseutil /mh utility.

Resolution:

To fix this problem, follow the below steps:

1.View the content of Restore.env file using Eseutil /mh utility.
2.Record range of log files.
3.Remove the log files that are out of range.

If the above method does not work, you need to repair and restore the damaged Exchange Server database using third-party Exchange recovery software.

The Exchange Recovery tool are powerful enough to thoroughly scan entire database and extract all inaccessible data from it. They have rich and interactive graphical user interface to ensure easy recovery in all corruption scenarios.

Stellar Phoenix Mailbox Exchange Recovery is the most advanced and powerful exchange database recovery utility to offer assured recovery of damaged database. The exchange 2003 recovery software restores all EDB file objects, such as emails, notes, contacts, tasks, journal, attachments, and appointments. It works with Microsoft Exchange Server 2007, 2003, 2000, and 5.5.

Consider a scenario wherein you are not able to mount the Microsoft Exchange Server 2000. An error message is displayed, that is:

“The database files in this storage are inconsistent
Id no: c1041739”

You can also check the Application log to view the following event log:

“Event Type: Error
Event Source: ESE98
Event Category: Logging/Recovery
Event ID: 465
Date: Date
Time: Time
User: N/A
Computer: Computer_Name
Description: Information Store (2224) C:\Program Files\Exchsrvr\mdbdata\E00.log. Corruption was detected during soft recovery in logfile 4092:203. The failing checksum record is located at position 4117. Data not matching the log-file fill pattern first appeared in sector %6. This logfile has been damaged and is unusable.”

Cause:
The root cause of this error message is that the mailbox store database has corrupted and, thus, is in an inconsistent state.

Resolution:
In this case, the repair process involves two stages. The first one involves checking the state of the unmountable database whereas the second one is about repairing the database appropriately after confirming the database problem. To do this, you should perform the following steps:
1) Confirm the state of database by entering the following command in Command Prompt:
“eseutil /mh “drive:\program files\exchsrvr\mdbdata\database_file_name.edb”
2) If the database is consistent, then the following text will be displayed:
“State: Clean Shutdown”
3) Else if the database is inconsistent, then the following text will be displayed:
“State: Dirty Shutdown”
4) Rebuild the database using Eseutil command by entering the following command.
“eseutil /d /t:x “drive:\program files\exchsrvr\mdbdata\database_file_name.edb””
5) Repair the logical corruption of the database by using the following command:
“Isinteg –s exchange_server_name –fix –test alltests”

The aforementioned methods should be able to resolve the issue. However, if you are not able to address the issue then you should use a third-party Exchange Server recovery software to do so. Such read-only tools are able to perform EDB recovery without overwriting the original data.

Stellar Phoenix Mailbox Exchange Recovery is a Microsoft Exchange recovery software that recovers the corrupted EDB files from all instances of corruption. It is supported by Microsoft Exchange Server 2007, 2003, 2000, and 5.5. This Exchange Server Recovery software is able to extract the mailboxes into separate PST files according to the specific user. In addition, this Exchange recovery tool is able to preserve the formatting of the RTF and HTML messages. It is compatible with Windows 7, Vista, Server 2003, XP, and Server 2000.

While mounting the Exchange Server database on server, which is running MS Exchange Server, you might encounter the below error message:

“An internal processing error has occurred. Try restarting the Exchange System Manager or the Microsoft Exchange Information Store service, or both.
ID no: c1041724
Exchange System Manager”
Along with the above error message, you may also see the below events in Application Event Log of Microsoft Exchange Server:

1. Event Type: Error
Event Source: MSExchangeSA
Event Category: (14)
Event ID: 9175
Description: The MAPI call ‘OpenMsgStore’ failed with the following error: The Microsoft Exchange Server computer is not available. Either there are network problems or the Microsoft Exchange Server computer is down for maintenance. The MAPI provider failed. Microsoft Exchange Server Information Store ID no: 8004011d-0526-00000000

2. Event Type: Error
Event Source: ESE
Event Category: Logging/Recovery
Event ID: 413
Description: Information Store (3932) First Storage Group: Unable to create a new logfile because the database cannot write to the log drive. The drive may be read-only, out of disk space, misconfigured, or corrupted. Error -1811.

Cause
It may occur due to any of the followings:
1. Jet Engine errors.
2. Deletion of Exchange log file by virus.
3. Running eseutil /p command on damaged database.

Resolution
In all the above situations, you need to use Exchange Recovery Software to repair and restore the damaged database.

Exchange Recovery Tool is specifically designed to carry out in-depth scan of entire Exchange Server database and extract all inaccessible data from it. They ensure absolute, simple, secure, and quick Microsoft Exchange Recovery in all cases of EDB file corruption.

Stellar Phoenix Mailbox Exchange Recovery software repairs and restores damaged Exchange Server database in all cases of corruption. The Exchange Server Recovery software works well with Microsoft Exchange Server 2007, 2003, 2000, and 5.5. It restores all EDB file objects, such as emails, notes, contacts, tasks, calendar entries, journal, and more.

In a practical scenario, you cannot start the Exchange Server services after installing Microsoft Exchange Server 2007 on the global catalog server. But, other services can be started manually. Furthermore, you may see the below events in the Event Log of Exchange Server:

• Event ID: 2601
  Source: MSExchange ADAccess
  Category: General
  Type: Warning
  Description: Process MSEXCHANGEADTOPOLOGY (PID=1624). When initializing a remote procedure call (RPC) to the Microsoft Exchange Active Directory Topology service, Exchange could not retrieve the SID for account <WKGUID=DC1301662F547445B9C490A52961F8FC,CN=Microsoft Exchange,CN=Services,CN=Configuration,…> – Error code=80040934. The Microsoft Exchange Active Directory Topology service will continue starting with limited permissions.
• Event ID: 5000
  Source: MSExchangeIS
  Category: General
  Type: Error
  Description: Unable to initialize the Microsoft Exchange Information Store service. – Error 0×96e.

Exchange Server is partially dependent upon Microsoft Exchange System Attendant. Exchange Server Information Store service is not dependent upon Microsoft Exchange System Attendant.

Cause

The problem may occur, if:

• Exchange Server domain controller and other services don’t start completely.
• Exchange Server database is corrupted.

Resolution

To perform Microsoft Exchange Recovery, follow the given steps:

• Manually start Exchange services.
• Change Exchange Server dependencies.
• Use Exchange Recovery Software to repair and restore damaged EDB file of Microsoft Exchange Server.

The Exchange Recovery tool are capable of methodically scanning the damaged Exchange Server database and extract all inaccessible data from it. The software are totally safe and easy to use with read-only nature and interactive user interface.

Stellar Phoenix Mailbox Exchange Recovery software repairs and restores damaged Exchange Server database in all cases of corruption. The software works well with Microsoft Exchange Server 2007, 2003, 2000, and 5.5. It restores all EDB file objects, such as emails, notes, contacts, tasks, attachments, appointments, and more.

To recover Microsoft Windows Store that doesn’t start, use the below methods:

• Check Application Event Log of Windows NT Event Viewer for MSExchangePub, MSExchangePriv, EDB, and MSExchangeIS messages. The messages may provide you information about actual cause of the problem.
• Shut down all the MS exchange Server services, and then restart Exchange Server. When information store service restarts, it attempts to recover automatically and return database to consistent state.
• Create an absolute backup of Microsoft Exchange Server Information Store. It must include all the EDB and Log files.
• Restore database from last complete online backup. Make sure that you don’t click to choose ‘Start Service after Restore’ option. Restore incremental backups of Information Store. Only click selecting ‘Start Service after Restore’ option while restoring current incremental backup. Do not select ‘Erase all existing data’ option.
• If the above method can not help you start information store, check Event Log and review logged messages for EDB.
• If the above method doesn’t work, restore online backup of information store. Select ‘Start Service after Restore’ and ‘Erase all existing data’ options.
• Remove all the Log and EDB files from Mdbdata folder and then restore copies of Pub.edb and Priv.edb databases from backup.
• If none of the above methods work, you need to wipe the information store as last resort.
• If wiping does not work, you need to remove the Information store. However, it causes data loss. The easiest and safest way to retrieve data in such situations is Microsoft Exchange Recovery.

Recovery is possible using powerful and advanced third-party applications, known as Exchange Recovery Software. The applications are able to handle all EDB corruption situations, irrespective of the cause of corruption.

The Exchange Recovery Tool employ efficient database scanning techniques to methodically scan whole EDB file and extract damaged objects from it. With simple graphical user interface and read-only conduct, the applications are easy and totally safe to use.

Exchange Recovery software is the most advanced utility to recover your Exchange Server database from corruption. It works well with Microsoft Exchange Server 2007, 2003, 2000, and 5.5. The software restores all EDB file objects such as emails, notes, contacts, tasks, appointments, attachments, and more.

As an instance of such Exchange Server problems, suppose you try to restore the Information Store database, but it cannot be completed. Additionally on viewing the application event log, you receive the following event ID:

Event Type: Information
Event Source: ESE
Event Category:
Event ID: 301
Date: date
Time: time
User: N/A
Computer: server_name
Description:
<process name> (<process id>) <number> The database engine has begun replaying logfile [path]\[logfile name].
For more information, click http://search.support.microsoft.com/search/?adv=1.

It can be observed with both, Exchange-aware restore and offline restore of Information Store database. This event ID suggests that Exchange Server database engine has started replaying the log files indicated by [path]\[logfile name], where ‘path’ is the full path and ‘logfile name’ is the name of logfile being replayed. Not always, but event 301 many a times indicates that the Exchange Server database is corrupt.

Resolving Event 301

Generally, you need not take any action to isolate the issue. But you should check the application event log to determine more issues that are possible when starting the database. Check the log report for damaged or missing log files, if any and hence know the root of failure.

If you find any event that indicates database corruption, the further attempts should be done to restore the database. You can either restore it from the last backup available or repair the database by Exchange repair utilities or use a third-party Exchange Recovery Tool.

A Microsoft Exchange Recovery software can scan a corrupted Exchange database and restore its contents at a safe location. With their interactive design, you can find these utilities easy to run and use.

Exchange Server Recovery software is a professional tool that can repair a corrupted Exchange Server database and restore individual mailboxes as PST files. This is an all-inclusive Exchange Recovery Tool that allows selective mailbox recovery along with deleted mailbox recovery. It supports MS Exchange Server 2007, 2003, 2000, and 5.5.

As a practical example of this problem, you may come across the below error message when you attempt to mount mailbox store or public store on Microsoft Exchange Server 2007, 2003, and 2000:

“ID no: c1041724
Exchange System Manager”

When you click Mailboxes or Logons under the Mailbox Store in the Exchange System Manager, you may receive further error message stating:

“ID no: 00000476-0000-00000000
ID no: c1050476
Exchange System Manager”

Furthermore, the events might be logged into Application Event Log with the following descriptions:

1. Information Store (1608) First Storage Group: An attempt to open the file “C:\Program Files\Exchsrvr\MDBDATA\priv1.edb” for read / write access failed with system error 5 (0×00000005): “Access is denied. “. The open file operation will fail with error -1032 (0xfffffbf8).
2. Information Store (5120) First Storage Group: An attempt to open the file “E:\EXCHSRVR\MDBDATA\priv1.edb” for read only access failed with system error 5 (0×00000005): “Access is denied.” The open file operation will fail with error -1032 (0xfffffbf8).

This behavior of Microsoft Exchange Server may occur if you do not have appropriate permissions to access the Mailbox Store. It can also be caused by damaged EDB (Exchange Database) file. In both the cases, you lose access of your mission critical data and need Exchange Server Recovery to sort out the problem.

Microsoft Exchange Recovery is best possible using powerful and advanced third-party utilities, known as Exchange Recovery Tool. The applications are capable of methodically scanning entire EDB file and extracting all the damaged mailboxes from it. They are totally.

Exchange Server Recovery software, with non-destructive nature and simple user interface, repairs and restores damaged EDB file in all cases of corruption. The software is safe and easy to use, and is designed for edb recovery from Microsoft Exchange Server 2007, 2003, 2000, and 5.5. It restores all the damaged objects of EDB file, such as emails, notes, tasks, contacts, attachments, and more.

For better understanding of the subject, consider, you as an Exchange Server administrator, are not aware of the fact that resetting the log sequence is necessary, and, you suddenly observe that the Information Store has stopped functioning or is not working correctly for no apparent reason. Additionally, when you view the application log, you receive the below mentioned log:

Event ID: 125
Event Source: ESE97
Event Type: Error
Description:
MSExchangeIS () Unable to create the log. The drive may be read-only, out of disk space, misconfigured, or corrupted. Error -519.

Further, when you try to start the Information Store, the following event entry is received in the application log:

Event ID: 7024
Event Source: Service Control Manager
Event Type: Error
Description:
The Microsoft Exchange Information Store service terminated with service-specific error 4294966786.

Thus Information Store is not accessible by any means.

Cause

As mentioned earlier, the above behavior can result if the log file name sequence of Information Store transaction logs has reached the maximum value of Edbfffff.log.

Solution

You can implement any of the applicable methods to isolate the given issue:

1. Check for an offline backup. If present, use it to restore affected Information Store databases
2. If no suitable backup is available, perform hard repair on databases. For this, you need to run eseutil /p, eseutil /d, and isinteg utilities. But keep in mind to backup your database first, as hard repair can delete important pages from your databases.
3. Use a third-party Exchange Recovery Software to repair and restore corrupted Information Store databases. These Exchange Server Recovery software are more effective and safe than Exchange Server repair utilities.

Exchange Recovery Tool is a reliable utility that repairs corrupted Exchange Server databases and restores their mailboxes as PST files to a secure location, which is specified by the user. This Exchange Recovery software supports MS Exchange Server 2007, 2003, 2000, and 5.5.

In a practical scenario, you may come across the below symptoms when the Exchange Server Information Store gets damaged:

1. Currently logged on Exchange Server users identify that their systems stop responding.
2. The utilization percentage of the Information Store becomes very high (for instance, 70%).
3. When you apply the ISINTEG (Information Store Integrity Checker) tool on damaged Information Store, the process stops responding halfway. The tool fails to check the integrity of Exchange Server.
4. When you apply the EDBUTIL utility, which repairs the Exchange Server database, this process also stops responding midway and may show which database table is causing the problem.

In this scenario, entire EDB database become inaccessible. In order to gain access of the database, you need to find out the actual cause of this behavior and perform Microsoft Exchange Recovery by sorting it out.

Grounds of the problem:

You may face this issue if internal pages of Exchange Server database table are damaged. The corruption can be caused by various reasons, like application malfunction and virus infection.

Resolution:

To sort out this problem, you need to restore the database from current backup. Go through the below steps to restore EDB database:

1. Click Start button, and go to Programs-> Accessories-> System Tools-> Backup.
2. Click Restore tab.
3. Select the objects from the file that you need to restore.
4. In Restore files to dialog box, select option that you wish.
5. Click Start Restore button.

If the backup is not available, you are required to go for third-party Exchange Mailbox Recovery software to extract inaccessible data from the database. They enable you to methodically scan entire database and recover all data from the database. The Exchange Recovery Tools do not demand sound and prior technical skills as they have interactive graphical user interface.

Exchange Mailbox Recovery is the most advanced exchange database recovery utility that successfully handles all types of Exchange Server database scenarios. The Exchange Recovery software is designed for Microsoft Exchange Server 2007, 2003, 2000, and 5.5. It recovers all EDB file objects, such as emails, contacts, notes, attachments, appointments, journal, and calendar items.

Corruption of IIS metabase and Exchange Server database is a very serious concern. It can cause several Exchange Server vulnerabilities and make Exchange-related services unusable. In case of metabase corruption, you may encounter the below error message:

“[15:52:34] – The Internet Information Server metabase appears to be corrupt. Please uninstall and reinstall Internet Information Server. — ID:62145 –
[15:52:34] Prerequisites for Microsoft Exchange Messaging and Collaboration Services failed: The component ‘Microsoft Exchange Messaging and Collaboration Services’ cannot be assigned the action ‘Upgrade’ because:- The Internet Information Server metabase appears to be corrupt. Please uninstall and reinstall Internet Information Server.”

The above error, in particular, occurs due to missing metabase entries. If various users perform transactions after metabase corruption, the EDB file may encounter several inconsistency issues. In such situations, to bring your Exchange Server in working state, you need to fix this behavior using Microsoft Exchange Recovery Tool.

Resolution

You can use Adsutil.vbs, an inbuilt utility of Microsoft Exchange Server, to locate metabase objects. However, if you encounter the following error while using Adsutil.vbs tool, you have to reinstall Internet Information Service and Microsoft Exchange Server:

“-2147221020 (0×800401e4)
Error trying to enum the object (GetObject failed)”

Although, reinstalling the Exchange Server and IIS may fix this problem, but it can not repair the corrupted Exchange Server database. In order to repair and restore the damaged EDB file, you need to use third-party Exchange Recovery Software.

The applications are particularly designed to carry out systematic scan of entire EDB file (using advanced scanning mechanisms) and to extract all damaged and inaccessible objects. They enable you to perform Exchange Recovery on your own, as they have simple and self-descriptive graphical user interface.

Exchange Mailbox Recovery software repairs damaged EDB file and restores all user mailboxes as individual PST files. The Exchange Database Recovery software works well with Microsoft Exchange Server 2007, 2003, 2000, and 5.5. It restores all EDB file objects, such as emails, notes, contacts, tasks, journals, appointments, and attachments.

Let’s elucidate the related problems by taking a suitable example of following event ID.

Event Type: Error
Event Source: ESE
Event Category: Database Page Cache
Event ID: 476
Date: date
Time: time
User: user_name
Computer: computer_name
Description:

Affected_Component The database page read from the file “file_name” at offset offset for number_bytes bytes failed verification because it contains no page data. The read operation will fail with error error_number. If this condition persists then please restore the database from a previous backup. This problem is likely due to faulty hardware. Please contact your hardware vendor for further assistance diagnosing the problem.

Event 476 is linked with a -1019 error in the event log.

Cause

Database read operation has failed. Particularly, this indicates that the specified database page that has been mentioned in database file, for example pub1.edb, is empty and has no data when it is being anticipated to be in use.

Error -1019 corresponds to ‘JET_errPageNotInitialized’ or an empty database page. This can occur due to invalid links between database pages, file system inconsistencies, or pages that have been mapped but are not associated with the database file.

Though ordinary hardware diagnostics might fail to detect the problems, but most of these issues happen because of device drivers, firmware, and hardware related concerns.

Solution

Get the new hardware and use one of the below methods:

• Use Move Mailbox tool by installing another server and move all the mailboxes
• Run Exmerge utility to obtain all mailboxes as *.pst files
• Restore the database from backup
• Repair the database using Eseutil/p and Isinteg -fix commands
• Use a third-party Microsoft Exchange Recovery tool

Note: A third-party Exchange Server Recovery application is more safer than Exchange hard repair utility- Eseutil/p. The latter utility can delete the database pages and cause serious data loss.

Exchange Mailbox Recovery is a professional tool designed to repair corrupted Exchange Server 2007, 2003, 2000 and 5.5 database and extracts the mailboxes in individual *.pst files. This Exchange Recovery software can also recover deleted mailboxes and can restore all e-mails, notes, contacts, calendars, tasks, appointments, etc.

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In a practical scenario, you may see the below even log entries in the Application Event Log of Exchange Server:

“Date: date Source: ESE
Time: time Category: Database Corruption
Type: Error Event ID: 447
User: N/A
Computer: Server name
Description: Information Store (nnnn) A bad page link (error -338) has been detected in a
B-Tree (ObjectId: 70950, PgnoRoot: 157120) of database e:\Program
Files\exchsrvr\mdbdata\priv1.edb (157120 => 296404, 296403).”

The above problem may render your database completely inaccessible. You cannot access your precious emails, notes, contacts, tasks, journal, calendar entries, and other mailbox items. In order to gain access of your data, it is essential to identify the actual cause of this issue and perform Microsoft Exchange Recovery by sorting it out.

Grounds of the issue:

This behavior may occur due to the following possible causes:

• The transactions are not committed to the hard drive by Disk Caching and the Exchange Server is crashed or stopped responding.
• Wrong log files are replayed while restoring the database.
• Exchange Server hard drive is having logical problems, like operating system malfunction, virus infection, file system corruption, and more.
• The database is corrupted due to improper system shutdown, virus infection, application crash, and other such reasons.

Resolution

In order to work around this issue, go through the below steps:

• If your hard drive has logical problems, run ChkDsk utility to detect and fix hard drive related errors.
• In case of database corruption and other database related issues, run DBCC CHECKDB.

However, if the database corruption cannot be fixed by DBCC CHECKDB due to high extent of damage, you need to use third-party Exchange Recovery Software. They work in most of the database corruption situations.

The Exchange Recovery Tools methodically scan entire database and restore all of its inaccessible and damaged components. With read-only conduct and simple graphical user interface, they are totally safe and easy to use.

Exchange Recovery is the most advanced utility for assured recovery of damaged EDB file. The software is able to restore all EDB file objects including emails, notes, contacts, tasks, schedules, attachments, and more. It is designed for Microsoft Exchange Server 2007, 2003, 2000, and 5.5.

To depict the probable events, let’s take a related scenario of an Exchange Server 2003 user. When he runs a backup utility to copy the Exchange database, the operation halts with an error that reads:

“Database was not found and could not be backed up. Please make sure database exists and is mounted.”

The logs also consist of errors such as:

“Store_Name is a corrupt file. This file cannot verify.”

Or

“Access is denied. Access denied to database Mailbox Store.”

On exploring the application event log, it shows error -1018.

Cause

The root cause of the above behavior is corruption of Exchange mailbox store, most likely due to hardware issues. These errors cause checksum errors in database pages.

Solution

To resolve the problem:

1. You need to run system hardware diagnostics to find the root cause and then isolate the related issues.
2. User can create a new mailbox store and move the mailboxes from the corrupted store, to correct the database problems.
3. You can also try repairing the corrupted database using Eseutil/p repair utility. However, this command is often unrecommended because it deletes the corrupted database pages and can cause important data to delete.
4. And, for safe database repair, use an Exchange Recovery Tool. Designed to run safe scanning procedures, these Microsoft Exchange Server Recovery software can repair corrupted database and extract valuable data.

Exchange Recovery Software is a professional exchange repair tool built for fixing corruption with Exchange databases created with MS Exchange Server 2007, 2003, 2000, and 5.5. The software recovers deleted mailboxes and includes various advanced options. Compatible with Windows 7, Vista, XP, 2003, and 2000, this Exchange Server Recovery Tool extracts mailboxes in separate *.pst files.

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As a practical instance, you migrate your Exchange Server 5.5 database to Exchange 2000. However, after the migration process is complete and you attempt to access the database, you encounter the below series of Event ids:

“ErrorID: 9519 Error 0xfffff9bb starting database “First
Storage Group\Private Information Store (SERVIDOR3)” on
the Microsoft Exchange Information Store.
Failed to configure MDB.

ErrorID: 1127 Error 0xfffff9bb configuring the
database “First Storage Group\Private Information Store
(SERVIDOR3)”.

)ErrorID: 1187 Database “First Storage Group\Private
Information Store (SERVIDOR3)” could not be upgraded to
version 3.2. Error 0xfffff9bb.

Error ID: 9545
ailbox /OúCILITY/OUúSNET/CN=RECIPIENTS/CN=CLIENTES
could not be found in the Active Directory during upgrade.
It has been issued GUID b035eb8b-de9a-47c6-b1f5-
309b01fcd514 and is currently disconnected.
You will need to reconnect the mailbox before allowing
the user to log on.

Error ID: 9175 The MAPI call ‘OpenMsgStore’ failed with
the following error:
The attempt to log on to the Microsoft Exchange Server
computer has failed.
The MAPI provider failed.
Microsoft Exchange Server Information Store
ID no: 8004011d-0512-00000000”

Post the occurrence of above event ids, the data saved in the Exchange Server Database becomes inaccessible.

Resolution:

The above event ids can be resolved by repairing the corrupted Exchange Server database. To effectively do so, you will need to run ESEUTIL/P command.

While in many situations, your database gets repaired using the above utility. However, if it doesn’t then you need to opt for an Exchange Server Recovery software. An Exchange Recovery software comprehensively repairs corrupt/damaged Exchange Server database in just three simple steps.

Exchange Recovery Tool is a powerful utility that repairs Exchange Server databases with ease. The repaired database is stored in a PST (Personal Storage) file format. The read-only Microsoft Exchange Recovery software is compatible with Exchange Server 5.5, 2000, 2003, and 2007.