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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 Wednesday, February 23, 2011 at 4:48 AM

Exchange recovery is a solution for corrupt Microsoft Exchange Server

Microsoft Exchange saves a whole lot of data in it. But at times, Exchange Server refuses to write more data. This happens because the disk space on the drive is low. Such an instance also results in inaccessibility of the data. Even, you become unable to read data. Corrupt Exchange Server database also creates a situation of data loss and demands Exchange recovery. In order to overcome such situations, you should use preventive measures. Backup can also be used to get data back. However, if backup is not available, then it is advised to make use of a third party Exchange Recovery software.

Let's consider a scenario. Suppose, you fail to start Exchange Information Store and you receive the following application event log on Exchange 2003 server that goes like this:

“Event Type: Error Event Source: ESE Event Category: General Event ID: 482 User: N/A

Description:...

Posted on Monday, January 24, 2011 at 3:41 AM

How to mend Exchange server error “Error -1022='JET_errDiskIO' = Disk I/O error”?

Database of MS-Exchange server leads to several errors. These errors makes it quite difficult to work smoothly. Sometimes it happens that database file of Exchange server refuses to open. On each attempt to open database of Exchange server, you remain unsuccessful. Corruption of Exchange database is one of the reasons for such a behavior. Because of this, data cannot be approached. You fail to access the content of database. To avoid such data loss situations use a backup. However if backup falls short in recovering data, then perform Exchange recovery with the help of third-party Exchange Server Recovery tool.

Related to above topic let's study an error message. As discussed above, Exchange server gives an error message on the screen when you attempt to open database of Exchange server. Database cannot be opened and when you see the details of the error you notice the following event log in the description:...

Posted on Saturday, October 30, 2010 at 12:03 AM

Tips to Solve 'The database will be unable to restore' Error in Exchange Server

Microsoft Exchange Server may sometimes report errors when an Exchange-aware backup is running. Not always, but database corruption is the most common reason for a backup failure. You can analyze the exact cause of the problem by the event ID and related error description logging in the application log of Exchange Server. If this comes out to be database corruption, you then need to implement Exchange Server Recovery methods.

For example, consider the below event ID and backup failure error, which might occur post failure of a backup attempt.

Event ID: 217

Source: ESE

Type: Error

Category: Logging/Recovery

Description:

Error err_num During backup of a database location. The database will be unable to restore.

The symbolic name of the above error is 'BACKUP_ERROR_FOR_ONE_DATABASE'.

Cause

To know the root cause of the given problem, you should check the err_num in description section of the above event. Common reasons for backup failure are described underneath:...

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 Saturday, June 05, 2010 at 12:12 AM

Exchange database physical corruption: Ways to detect, prevent and recover

Microsoft Exchange Server is an excellent and cost-effective collaboration and communication application used by several organizations all over the world. The Exchange Server database (.edb) file serves as the repository to save mailboxes data. If this .edb file falls prey to physical corruption, you can experience serious data loss situation. To deal such cases, you must need to restore Exchange sever from a valid backup. However, if there is no backup available, you need to employ an Exchange recovery utility to recover lost or inaccessible data.

Detecting physical corruption

It is quite essential for a user to identify a physical corruption scenario at an early stage and resolve the issue with proper corrective measures quickly in order to avoid disastrous data loss cases...

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:...

 

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