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Exchange Server Recovery | PST Recovery

Stellar’s Email Recovery Solutions encompasses a wide range of software for almost any data loss situation ranging from accidental deletion...

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I am a Data recovery expert and providing solution for MS Exchange server, Lotus Notes, MS Entourage Database and MS Outlook. I would like to keep update the readers of this blog about Exchange Server Recovery, Lotus Notes Recovery and Exchange BKF recovery techniques.

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Posted on Monday, August 30, 2010 at 11:40 PM

How to troubleshoot when you are unable to mount a damaged MS Exchange Server 2000 database

MS Exchange Server from Microsoft is the server side of the client-server product, which enables a system administrator to monitor and manage user mailboxes in the organization. It enables emailing, calendaring, supports both web- and mobile-based access. All such information is stored in an EDB (Exchange Database) database file, which can get corrupt and make all the vital information seem very susceptible. In such cases, you should try and find out the reason of EDB corruption and try to fix the problem. If you are unable to resolve the issue, then there is a serious need to look for Microsoft Exchange recovery software that will enable you to perform Exchange Server Recovery.

Let us take an example in which you are unable to mount MS Exchange Server 2000 database. The following error message is displayed in this regard: “The name of one of the database files in this store is invalid. ID no.: c1041737...

Posted on Wednesday, July 14, 2010 at 11:58 PM

Causes and Fixes for Logical Corruption in Exchange Server Database

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:...

Posted on Monday, July 12, 2010 at 1:33 AM

How to rectify Error c1041724 in MS Exchange Server 2000

Are you facing problems in accessing mailbox folders in MS Exchange Server 2000? Usually, such things happen when some internal settings for the mailbox store are not correctly set. Also, it may also be possible that the mailbox folder itself has got corrupted. Such corruption can occur due to various reasons such as abrupt or improper system shutdown, database header corruption, corruption of transaction log files, etc. In such cases, you should try to resolve the issue using appropriate corrective measures. In you are not able sort the issue, then you should use a third-party Exchange recovery software to repair MS Exchange Server mailbox store.

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”...

Posted on Thursday, July 08, 2010 at 12:42 AM

Resolving “Access to source database failed with Jet Error” in Exchange Server

Microsoft Exchange Server is a reliable and advanced solution to create a collaborative and messaging environment. It stores all the user mailboxes in Microsoft Exchange Server database (EDB file), which can be accessed using Microsoft Outlook Email client. You should regularly backup EDB file to prevent any sort of data loss situations, if database is damaged. However, under some circumstances, Exchange Server database can not be accessed after restoring from a backup. The database restores properly, but you encounter errors while trying to access it. This behavior leads to critical data loss and needs Exchange Server recovery to be sorted out. 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...

Posted on Thursday, June 24, 2010 at 9:32 PM

What Causes Hard Recovery Failure in Exchange Server?

In Microsoft Exchange Server, you must replay the log file after restoring your EDB (Exchange Server database) from an online backup. This process is known as Hard Recovery. It helps you to recover your Exchange Server database in case of database corruption or database failure. However, in some situations, the Exchange Server hard recovery fails and the database remains in inaccessible and unusable state. At this point, you need to repair and restore the corrupt database using advanced Exchange recovery tools. 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...

Posted on Monday, June 14, 2010 at 9:14 PM

Low Disk Space or Database Corruption Prevents you to Write Data to EDB File

Are you unable to write data to Microsoft Exchange Server database? Is your EDB (Exchange Server database file) inaccessible? This behavior may occur due to either low disk space on Exchange Server computer or corrupt EDB file. If the database is corrupt, you need to restore it from the most recent backup to prevent data loss situations. However, in case backup is not valid or updated, you need to opt for Exchange Recovery solutions to retrieve data from the database. In a practical scenario, the Information Store Service of Exchange Server may fail to start and you encounter the below errors in Application Event Log of Exchange Server, while read/writing data from/to EDB file: “Event Type: Error Event Source: ESE Event Category: General Event ID: 482 User: N/A Description:...

Posted on Thursday, June 10, 2010 at 4:12 AM

How to mount Exchange public folder store in Exchange Server 2003

The public folders in Microsoft Exchange are used for sharing access and facilitate in collecting, organizing, and sharing information with other contacts in your organization. These are well structured and stored in databases. Also, you can replicate them between the Exchange servers. However, some times you are not able to mount the public folder store. It could happen because of several reasons such as abrupt shutdown, Exchange transaction log file corruption, hardware problems, etc. You should perform certain methods to resolve the issue. However, if you are not able to address the situation then you should use a third-party Exchange recovery software to perform Exchange recovery.

Consider a scenario wherein you work on MS Exchange Server 2003 Enterprise Edition. One day, you attempt to mount on the Exchange public folder store but unable to do so. An error message is displayed, that is:

...

Posted on Tuesday, June 08, 2010 at 3:16 AM

How to recover when Exchange Server 2003 is unable to start

MS Exchange Server is the email service management suite from Microsoft. It is used for emailing, calendaring, managing contacts and tasks, providing data storage, etc. All such data is stored in an EDB (Exchange Information Store Database) file. Sometimes, the EDB file can get corrupt due to various reasons such as database header corruption, abrupt system shutdown, transaction log files corruption, etc. You should consider taking appropriate corrective measures to resolve the issue. However, if you are unable to do so then you should use a third-party Exchange recovery software to do the needful.

Consider a scenario wherein you are having Microsoft Exchange Server 2003 in your organization. When you try to start MS Exchange Server, it does not start. An error message is displayed, that is: “1067 The information store terminated abnormally.”

Cause: ...

Posted on Thursday, May 27, 2010 at 10:10 PM

Hard Recovery Fails After Restoring Exchange Server Database From Online Backup

In Microsoft Exchange Server, you are required to to perform hard recovery after restoring your database from an online backup. Hard recovery is a log replay process, which is similar to the soft recovery, however there are a few critical differences. If you do not complete the hard recovery process after restoring the database from backup, the restore process is not successful. In some situations, the hard recovery process fails and your database remains inaccessible even after restoring from an online backup. This behavior causes severe data loss and requires Exchange Recovery to be sorted out.

As a practical instance of this behavior, the hard recovery process may not complete successfully with eseutil /ff command after restoring Exchange Server database (EDB file) from online backup. Additionally, you receive underwritten error message:

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

Posted on Tuesday, May 25, 2010 at 11:31 PM

How to Recover Exchange Server Information Store in a Single Site ?

Exchange Server is the server side application from Microsoft to create a collaborative messaging environment. It is made of various components, and Exchange Server Information Store is a significant one among them. All the database components work together to perform required operations and keep Exchange Server up. However, there are several factors that can damage the Exchange Server components and may make it unusable. This behavior renders your Exchange Server database (EDB file) inaccessible and cause severe data loss. To recover lost data at this point, you must go for Exchange Recovery solutions, if a valid backup is not available.

When Exchange Server database corruption takes place, Exchange Server Information Store is the most commonly affected components. Microsoft Exchange Server Information Store comprise of the below four database files:

1.Priv1.edb 2.Pub1.edb 3.Priv1.stm 4.Pub1.stm ...

Posted on Sunday, May 09, 2010 at 10:23 PM

Solve 'Task 'Microsoft Exchange Server' reported error (0x8004011B)' Error

Among other reasons, one of the most common reasons that can prevent an Outlook user from sending and receiving e-mails is Exchange Server database corruption. In such circumstances, the Exchange administrator should immediately restore the database from last available backup, failing which raise the requirements of using suitable Exchange Recovery utilities.

For better illustration, consider a case of a Microsoft Outlook user who tries to send or receive an e-mail message and Outlook is configured to use Microsoft Exchange Server. When he/she tries to do so, one of the below mentioned error messages is received:

“Task 'Microsoft Exchange Server' reported error (0x8004011B): 'Unknown error 0x8004011B”

As a result of this error message, Outlook user can no longer send or receive more e-mails.

Explanation

The above issue is most likely to occur in any of the following situations:...

Posted on Tuesday, April 27, 2010 at 11:14 PM

Resolving - Information Store data inconsistency is detected in a table Error

Like all other databases, Microsoft Exchange Server database also comprises of several tables. These tables consist of one of more trees and hold records and columns, which are identified as MAPI properties. At times, typically when the database is corrupt, Exchange Server cannot identify these tables as valid database tables. As a result, when attempt is made to access the database, application event log records an associated entry indicating the cause. However, to solve these problems, the prime solution considered for Exchange Recovery is to restore the database from backup.

Here, the mentioned problem has been narrowed down with the below error message. You can see this or similar error message logging in application event log with an associated event ID 448:

Information Store (2412) Data inconsistency detected in table Msg of databaseE:\Program Files\exchsrvr\mdbdata\priv4.edb (0,524957). For more information, click search.support.microsoft.com/search/?adv=1...

Posted on Thursday, April 22, 2010 at 9:26 PM

You Can Not Start Exchange Server 2007 Services on Global Catalog Server

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:...

Posted on Thursday, April 15, 2010 at 5:02 AM

How to Fix Startup Problems in Microsoft Exchange Server Information Store?

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:

1. 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. 2. 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...

Posted on Monday, April 12, 2010 at 10:05 PM

Resolving Event ID 489 in Exchange Server

Microsoft Exchange Server database file can often develop errors, which it finds unable to remove by normal repair methods. Inability to open a database file is one such error. An Exchange Recovery tool comes handy when your Exchange database becomes corrupted and you have no backup to restore.

The further discussion depicts a commonly occurring problem when trying to open an Exchange database file. In such situations, you can encounter unexpected error and file open operation might fail. On viewing the application event log, you may observe the below event log:

Event Type: Error Event Source: ESE Event Category: General Event ID: 489 Computer:Computer Name Description: Process name [process id] file name: An attempt to open the file [path\file name] for read-only access failed with [Error Code and Explanation]. The open file operation will fail with error [Error Code]. ...

Posted on Monday, March 22, 2010 at 9:41 PM

IIS Metabase Corruption May Cause Exchange Server Database Corruption

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:...

Posted on Wednesday, March 17, 2010 at 3:03 AM

Resolving Exchange Server Event ID 476

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....

Posted on Thursday, March 11, 2010 at 4:06 AM

Exchange Information Store Corrupt with Database not found Error

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.”...

Posted on Monday, March 08, 2010 at 10:57 PM

Private Information Store Corrupt Post Upgradation from Exchange 5.5 to 2000

Unmountability of a Private Information Store (priv.edb and priv.stm files) primarily occurs when it is corrupted. One of the main reasons for it corruption is improper upgradation from Microsoft Exchange Server 5.5 to 2000. A major hazard that users encounter after improper upgradation is a series of Event Ids, which make the data saved in the private Information Store become inaccessible. In such situations, an effective way to access Private Information Store data is by using an updated backup. However, there are numerous circumstances in which the user has either not created any backup or his backup gets corrupted. To surmount such situations, you need to use an advanced third-party Exchange Recovery software that can repair the database.

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:...

Posted on Monday, February 22, 2010 at 10:24 PM

Tips to Solve - Error 4294966746: JET_errDatabaseInconsistent in MS Exchange Server

An Exchange Server database is susceptible to different corruption problems, such as dirty database shutdown, antivirus scanning, log file issues, and others. Thus an administrator might require different Microsoft Exchange Recovery tools to solve such problems and to continue working the e-mailing environment. Further is a scenario that depicts a similar situation of Exchange Server database corruption. As an Exchange Server administrator, you may observe one or more of the below symptoms:

1.You cannot start and/or Information Store service 2.Exchange clients lose the ability to send or receive e-mails. You cannot solve this issue by restarting the server 3.You restore the database from an offline backup but the database is still inconsistent. On running Isinteg utility (database integrity check), it gives the below error message on screen:

“Error 4294966746: JET_errDatabaseInconsistent”...

 

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