Microsoft Exchange Recovery Tool

Microsoft Exchange Server 2007 includes a number of advanced and added features over its predecessor Microsoft Exchange Server 2003. Some of its features include, new clustering options, voice mail integration, 64-bit support for the greater scalability, support for web services, and better search options. However, in some situations, you may not access your Exchange Server Database (EDB) file after installing Exchange Server 2007 and attaching database to it. The database becomes totally inaccessible and you face serious data loss situations. At this point of time, it becomes essential to perform Exchange Server Recovery using reliable tools.

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.

Is your Microsoft Exchange Server’s Information Store damaged and does not start? Are you unable to retrieve information from EDB (Exchange Server Database) file? The information store corruption is due to numerous reasons, such as improper system shutdown, faulty hardware, virus infection, or application malfunction. In such situations, you need to opt for Exchange Server Recovery to access your database.

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.

Microsoft Exchange Server’s most fundamental component is transaction log, and Exchange Server writes all the transactions to these log files and applies these written changes to the database, when the system permits. On starting Exchange server, when the Information Store comes online, ESE checks the consistency of the database, and in case of detection of inconsistencies, ESE replays the transaction log files to locate those transactions that have not been applied to the database. In Exchange Server terminology, this process is termed as ‘Soft Recovery’. There can be many situations when a soft recovery is being done and database is damaged. To determine if this problem actually exists or not, you can view the application event log and perform Microsoft Exchange Recovery procedures accordingly.

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.

In Microsoft Exchange Server, you need to mount mailbox store for accessing stored mailboxes. After mounting the mailbox store, you can easily modify the mailbox and access its contents. However, under some circumstances, the mailbox store or public store refuses to mount. This behavior of Microsoft Exchange Server renders all your valuable data inaccessible and leads to critical data loss. To get your valuable data back, you need to opt for Exchange Recovery software, if the backup is not updated.

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.

Microsoft Exchange Server transaction log files are very crucial when it comes to working of the server. This application assigns and follows a particular sequence to name its log files. However, if the log file naming approaches 0xfffff, for instance Edbfffff.log, serious problems can occur. Information Store may stop working and database(s) may fail to mount. To prevent such events from occurring, you should reset the naming sequence periodically, otherwise you will have to use Exchange Server Recovery tools.

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.

Are you facing Exchange Server Information Store corruption and unable to access the database? Do the ISINTEG and EDBUTIL processes fail to complete their operations on damaged Information Store? The Information Store corruption is a critical situation that renders your valuable EDB (Exchange Database) file inaccessible. It leads to severe data loss situations. You need to restore the database in such situations from an updated backup. However, if the backup is not current, you need to opt for Exchange Server Recovery to get your mission critical data back.

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.

Microsoft Exchange Server is a well-known application that is used to create collaborative messaging environment. It is installed on server and can be accessed from client computer using Microsoft Outlook. Exchange Server 2003 and Exchange Server 2000 use MS IIS (Microsoft Internet Information Services) to provide Exchange-related services. All configuration settings of the IIS are stored in IIS metabase. The formation of metabase contains various settings of properties of different nodes. However, in some situations the metabase may get damaged and cause critical EDB (Exchange Database) corruption scenarios. To sort out this problem, you need to opt for Exchange Server Recovery, in case of unavailability of backup.

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.

Faulty hardware is one among the most common causes of Exchange Server database corruption. If your application event log frequently records events that point to database damage issues, your hardware is most likely to be replaced. Such situations however, demand Exchange Server Recovery tools to correct the issue.

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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Is your Exchange Server delivering outgoing mails without attachments? Are you unable to see attachments in your Exchange Server mailbox? Do you encounter ESE (Extensible Storage Engine) errors while accessing the EDB (Exchange Server Database) file? This behavior indicates Exchange Server database corruption. You need to go for Exchange Server Recovery to get your database repaired, if an updated and complete backup is not in place.

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.

In several Exchange database operations, like (but not limited to) backup process, the operating system is called to read database pages that have to be written on disk. During this operation, the checksum value placed in database page header is compared with that returned by READ operation. The backup operation fails if these values do not match. Such errors indicate corruption in database and need backup availability to restore lost data. But in cases when user finds it unfeasible to restore from backup (because it is corrupted or incomplete), a Microsoft Exchange Recovery tool can help.

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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