Information Store Inconsistency and Corruption Require EDB Recovery

In Microsoft Exchange Server, a Storage Group may contain one or more Public Folder Stores and user mailboxes, depending on the requirements of the organization and version of Exchange Server. Mailbox stores have system and user mailboxes and Public Folder Store contains Public Folders and their contents. All these data and information is controlled and managed by Exchange Server Information Store. This is the key component of Microsoft Exchange Server. In some cases, this store may get damaged or become inconsistent. This behavior of Information Store makes all of your critical and valuable data inaccessible and data loss situations occur. At this point, you are required to go for EDB Recovery to repair and restore damaged database and retrieve data from it.

In a practical scenario, when you try to access data from Microsoft Exchange Server database, the database store may not mount and Event ID 448 may occur. This Event ID shows that there is some corruption or inconsistency in the Jet database table and Exchange Server Information Store. In such case, the following Event is logged in the Application Event Viewer of Exchange Server:

Date: Date
Source: ESE
Time: Time

Category: Database Corruption
Type: Error
Event ID: 448
User: N/A
Computer:
ServerName
Description: Information Store (2412) Data inconsistency detected in table Msg of database
E:\Program Files\exchsrvr\mdbdata\priv4.edb (0,524957). For more information, click http://search.support.microsoft.com/search/?adv=1

When Exchange Server starts, all of the services related to server might start, but the mailbox stores can not be mounted. When you verify database integrity by running eseutil /g command, the process completes successfully and you encounter following error message:

The Database is corrupted.

In such situations, you need to find out the cause of this issue and carry out EDB Repair by sorting it out.

Grounds of the issue

As stated in the above error messages, you might encounter this problem due to corruption to the Information Store and Exchange Server mailbox store.

Resolution

In order to sort out this issue, you need to repair and restore damaged database using EDB Recover Tool. This software is particularly designed to effectively scan the damaged database using advanced scanning mechanisms and retrieve as much data as possible from it.

Stellar Phoenix Mailbox Exchange Recovery is the most advanced and effective solution to retrieve data from damaged Exchange Server database. The EDB Recovery Software are capable to recover EDB file objects and these are completely safe and easy to use. This software works well with Exchange Server 2003, 2000 and 5.5. It is compatible with Microsoft Windows 2003, XP and 2000.

EDB File May Get Damaged on Compressed NTFS Volume

The disk compression, as the name suggests, is a method of reducing the needed disk space for a specific hard drive volume, folder or file. The compression, which is accessible and done on the NTFS (New Technology File System) file system volumes, is known as NTFS compression. NTFS file system allows you to compress files, folder and hard drive volume for decreasing the requirement of hard drive space. But in some situations, compressing a hard drive volume on which Exchange Server is installed may cause EDB (Exchange Server Database) corruption and results into data loss. In such case, carrying out EDB Recovery becomes the need of hour.

Bad effects of NTFS file system volume compression have been observed with respect to Microsoft Exchange Server Information Store that is the repository of all the user mailboxes and critical data. The Information Store Service is the core component of Microsoft Exchange Server, but NTFS compressed partition might damage it. Information Store corruption particularly when the size of compressed volume exceeds 4 GB.

è A number of users/clients log onto Exchange Server at the same time. This configuration helps various user requests and writer and thus shouldn’t be merged in NTFS compressed partition. The compressed volumes can not handle heavy write traffic for the compression and thus does not support heavily loaded servers.

è MS Exchange Server writes all of the data to log files before writing it to disk as it supports transaction logging. If you’ve configured it to store files on compressed NTFS volume and Exchange Server alters data through mapped section in compressed file, the corruption might occur.

è Insufficient CPU (Central Processing Unit) capacity might cause problems to EDB file, if Exchange Server is deploying compressed NTFS volumes.

In any of such cases, if EDB file gets damaged, you need to opt for EDB Repair solutions. It is best possible with the help of third party software, known as EDB Recovery software.

These software are particularly designed to scan entire database and extract all of its inaccessible objects like emails, notes, contacts, calendar, tasks and personal folders. EDB Repair software are quite easy to use and do no require sound and prior technical skills to achieve absolute recovery. With read only and non destructive design, these software are completely safe to use.

Stellar Phoenix Mailbox Exchange Recovery is the best ever made and the most advanced EDB recovery software. It works well with Microsoft Exchange Server 2003, 2000 and 5.5. This software is compatible with Microsoft Windows 2003, XP and 2000. The software has self-descriptive user interface.

Information Store Corruption After Database Restore With “No Loss Restore” Option

Backup is the most important process to prevent data loss. In case of data loss, you can easily restore the lost data using a recent and up-to-date backup. But sometimes, after restoring an Exchange Server Information Store, the Microsoft Exchange Server Information Store Service fails to start with Event ID 7024. At this point, EDB (Exchange Server Database) file can not be accessed and serious data loss occurs. To sort out this behavior of Exchange Server, you need to opt for EDB Recovery solutions.After successful restore of Exchange Server Information Store, when you attempt to start the Information Store Service, you might encounter the following error message:

“Exact Error Message
Event ID 7024 The Microsoft Exchange Information Store Service terminated unexpectedly with service specific error 1105.”

After this error message, when you run “isinteg.exe” tool on the database, you receive the following error message and a “No Loss Restore” may be performed:

“JET_errBadLogSignature”

Such behavior of Exchange Server Information Store makes EDB file inaccessible and cause loss of critical data.

1-Isinteg.exe (Information Store Integrity Checker) is a tool that is used to find and eliminate errors from Exchange Server mailbox and public folder at application level. These errors might stop Information Store from mounting or preventing users from logging on and accessing data.

To resolve this Exchange Server issue, you need to find out its cause and perform EDB Repair.

Grounds of the issue

When “No Loss Restore” is performed, the existing transaction logs on Exchange Server are conserved. The transaction logs on storage device are then restored and added to existing set of transaction logs on Exchange Server. when restore operation completes and the Exchange Server services are started, the Exchange Server automatically updates its database with uncommitted transactions found in existing and newly restored transaction logs. This process might damage the transaction log and the EDB file.

Resolution

In order to fix this problem, repair and restore damaged EDB file using EDB Recovery software. These software deploy efficient scanning procedures to thoroughly scan whole EDB file and extract all its objects such as e-mails, notes, contacts, tasks, calendar entries, journals and personal folders.

These software are safe and easy-to-use. You can use them without sound and prior technical skills. EDB Repair software can be used in most of the EDB corruption scenarios to carry out perfect recovery.

Stellar Phoenix Mailbox Exchange Recovery is the most powerful EDB Repair tool to revamp and restore lost data from damaged EDB files. The software supports EDB files of Exchange Server 2003, 2000 and 5.5. It is compatible with Windows XP, 2003 and 2000.

EDB Corruption Due to Improper Termination of Information Store Service

The common reasons of EDB (Exchange DataBase) file corruption are improper system shutdown due to operating system malfunction, system crash, hardware failure or power outage. If Exchange Server’s Information Store Service gets terminated inappropriately, the EDB file may get corrupt and become inaccessible. This behavior makes all your critical data inaccessible and result as serious data loss. You need to go for EDB Recovery tools to solve this issue.When you try to start Microsoft Exchange Server, you might encounter any of the below given symptoms:

1- The Exchange Server Information Store Service might not start and you might get the following error:
“1067 The information store terminated abnormally”
2- While performing online fragmentation, following event is logged into the Application Event Log of Exchange Server:
Date: date Source: ESE
Time: time Category: (12)
Type: Error Event ID: 447
User: N/A
Computer: Server name
Description: Information Store (information store name) A bad page link (error -327) has been detected in a B-Tree (Object Id: 19, Pgno Root: 113) of database E:\Program Files\Exchsrvr\mdbdata\priv1.edb (3440582 => 3443648, 3443232).

After this behavior of Microsoft Exchange Server, you can not mount the Information Store and thus EDB file becomes inaccessible. To fix this problem, you need to find out the cause of the problem and perform EDB Repair.

Grounds of this issue

This problem generally occurs due to Exchange Server database corruption after improper termination of Information Store Service. The Event ID 447 indicates that the logical structure of the EDB file is damaged and Microsoft Exchange Server can not recognize it.
The logical database corruption is generally undetectable by the database repair utilities like Eseutil. This problem appears only when you try to access the EDB database file.

Resolution

To solve this issue, you need to repair and restore the EDB file. It is best possible with the help of EDB Recovery software. These are powerful third party applications, which are capable of thoroughly scanning the entire EDB file and repair all its objects as emails, notes, contacts, journals, tasks and more.

These are user-friendly software as they come equipped with simple and interactive graphical interface. With read-only and non-destructive design, these EDB Repair tools are completely safe to use and perform absolute recovery.

Stellar Phoenix Mailbox Exchange Recovery is the foremost EDB Repair tool to revamp the corrupted EDB Files. It supports Exchange Server 2003, 2000 and 5.5. The software is compatible with Microsoft Windows XP, 2003 and 2000.

The set of folders could not be opened” Error in Exchange Server

Sometimes when you attempt to open Exchange Server mailbox, the process may fail and you might come across the data inaccessibility error message. This behavior of Microsoft Exchange Server does not let you access and use your business critical data from Exchange Server database (EDB) file and cause critical data loss. In order to resolve such issues and access your valuable data, you need to opt for Exchange Server Recovery solutions.While trying to open the MS Exchange Server mailbox, you might encounter any of the below given error messages:

“The set of folders could not be opened. An unexpected error occurred. Could not initialize the provider (MSPST.DLL) MAPI 1.0 – 1026 (8004010F).”

Or

“Unable to display the folder. An unexpected error has occurred. MAPI was unable to load the information service mspst.dll. Be sure the service is correctly installed and configured.”

After these error messages, you can not open your personal folders and thus can not access data from them. It results as serious data loss and you need to find out the cause of this issue to perform Exchange Server Repair.

Root of this problem

You may encounter the above error messages and experience such behavior of Microsoft Exchange Server due to one of the below given reasons:

1.The Exchange Server database (EDB) file is severely corrupted and therefore Exchange Server can not verify and access data from it.
2.The Mspst32.dll file is either missing or damaged. Mspst32.dll is a module that is associated with Exchange Server mailbox to handle the data storage and data access in the mailbox.

Irrespective of the cause of this issue, you need to go for EDB Repair to get your affected data back.

Resolution

To sort out this problem, you have two options:

1.If the problem is due to corrupt or missing Mspst32.dll file, then replace this file from Exchange Server installation disk.
2.If EDB corruption is the root of this problem, then go for Exchange Server Recovery.

The recovery can easily be performed with the help of powerful and advanced third party Exchange Server Repair software. These software are able to achieve safe, quick, easy and optimum recovery of your valuable data in almost all the EDB corruption scenarios.

Stellar Phoenix Mailbox Exchange Recovery is the finest EDB Recovery tool to repair and restore your critical data. It is capable of recovering all the EDB file objects. It supports Exchange Server 2003, 2000 and 5.5. This software is compatible with Microsoft Windows XP, 2003 and 2000.

EDB Corruption When Defragmentation Fails

Microsoft Exchange Server runs a defragmentation process to rearrange the mailbox store and public folders and stored data more competently, eradicating unused storage space.

You could use Eseutil utility for defragmenting the Exchange Server database. It examines the basic structure of the database and rearranges them. It is required for better performance of the database.

Sometimes when you defragment the database, the process fails half-way though. After the process gets halted, you get a temporary file of Priv1.edb. When you rename this file, it gets disappeared.

In such situations, the Mailbox store gets corrupted and you can not mount it. In this case, when you use the Eseutil /MS (to dump the space usage), the operation gets terminated with the following error message:

“Error -2211 (JET_errSLVHeaderCorrupted, SLV file header contains invalid
information)”

After getting this corruption error message, when you use Eseutil /P to repair the database, you will get the further error message stating:

“Checking database integrity. Operation terminated with error -1206 (JET_errDatabaseCorrupted, Non database file or corrupted db) after 1.912 seconds.”

This behavior results into the inaccessible Exchange Server database. You can not retrieve even a single bit of data from the database and you may fall in the grave situations of data loss.

Cause

As stated in the above error message, this problem takes place due to damaged Exchange Server database. The database corruption could be the possible result of unexpected system shutdown, virus attack, oversized EDB file and so forth.
It does not matter what the reason of data loss is. The only thing which matter is how to retrieve your precious data? The answer of this question is Exchange Server recovery.

Exchange Server recovery is the process of repairing the damaged database with the help of EDB recovery software and restore it. EDB recovery software are easy to use tools, which help you in all cases of EDB corruption and can recover all of the EDB objects.

Stellar Phoenix Mailbox Exchange Recovery is the most advanced Exchange Server repair software. It supports EDB recovery from Exchange Server 5.5, 2000, and 2003. It systematically scans the entire database and ultimately gives you fruitful results of Exchange Server recovery.

Event ID 486 in Exchange Server

Exchange Server databases have two basic files, EDB and STM. As its supports transaction logging, uncommitted set of transactions are stored in log files. Users’ mail boxes are stored in EDB files. So when Exchange Server database corrupts, EDB Recovery is basically focused for extracting user mailboxes from EDB files. However, one of the symptoms that Exchange database is corrupt is that it will fail to mount. In addition, it will mark an event in application log like:

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).

Also, an error message is encountered about internal processing errors. Other than Exchange database corruption, above log may also create while these issues:

  • Application log may record this event due to un-removed log files after running eseutil/p repair command on damaged Exchange database
  • It may also occur if log file has been deleted by antivirus program. Also if log file is quarantined by such programs, database may fail to mount
  • Incorrect usage of eseutil /r three-character logfile base name command may also create the same issue. It particularly happens if logfile base name is incorrectly specified

Solution

  • If un-removed log files are the issue after using esuetil/p command, we need to first check database consistency. If it is correct, we can move these log files to some other folder. However if database is reported as damaged, we can try committing all log files to the database. If problem persists, users are required to apply Exchange Server Repair solutions.
  • Antivirus program is not recommended to scan Exchange Server directories. So it should be excluded from file level scanning. This can even corrupt the database.
  • We need to correctly use eseutil /r command and logfile base name.

Exchange Server Recovery

Third party Exchange Server Repair solutions are applicable if user has no valid backup. EDB Recovery Software can scan damaged Exchange database and extract all user mailboxes.

Stellar Phoenix Mailbox Exchange Recovery is the powerful and complete application to repair damaged Exchange database. The software supports Exchange Server 5.5, 2000 and 2003. It extracts users’ mailboxes and restores them in PST file format. It is a read-only application. It can be used with Windows 2003, XP and 2000.

Exchange Server: Moving Mailbox Operation may corrupt EDB files

In many cases, when you are trying to move your exchange server mailbox from older version to newer version, the move operation might not complete successfully and you are getting an error message like:

“Error: Moving messages
CN=Test User, CN=Users,
DC=Machine, DC=Company, DC=Com:
The MAPI call failed.
MAPI or an unspecified service provider.
ID no: 80004005-0000-00000000”

Along with this error message, you may also find the following events in the Even Log of Exchange Server:

Event Type: Error
Event Source: MSExchangeAdmin
Event Category: Move Mailbox
Event ID: 9172
Date:
5/19/2000
Time: 10:45:44 PM
User: N/A
Computer: WSILVER01
Description:
Failed to copy messages to the destination mailbox store.
Error: The MAPI call failed.
MAPI or an unspecified service provider.
ID no: 80004005-0000-00000000

After this error, you are not able to open or access and even you can’t move your data.

Reason

You may experience this problem if your mailboxes contain email messages with disassociated or stripped attachments or they have corrupted or damaged emails. When you select any email in your mailbox, you may get one of the following errors:

è Cannot open attachment

è Access Denied

To successfully complete the move operation, you need to resolve this problem.

Resolution

You have to remove that particular email from the mailbox before moving it. There are two type of method to delete an email. You can simply use Shift + Delete or you can delete by pressing del key. If you delete the emails by simply using Delete button then you need to empty Deleted Items folder before moving.

Once you deleted your corrupted emails, ten you are able to move your mailbox but this is not the ideal solution. In this procedure, you will loss of your important data. To prevent such situations, you should perform EDB recovery to repair the corrupted emails, in place of deleting them.

EDB Recovery is a third party tools known as EDB Repair software. This software has the ability to recovery all your important data without any problem. Stellar Phoenix Mailbox Exchange Recovery can extract all your emails, notes, contacts and other EDB objects.

This software will easily recover your corrupted edb files. EDB Repair software is easy to use and also its user friendly. This software will support MS Exchange Server 5.5, 2000 and 2003. This EDB Recovery software is compatible with Windows XP, 2003 and 2000.

EDB Corruption Due to Compressed NTFS Volume

Compression is the way to reduce required disk space for a particular file, folder or the entire volume. The one, which is available and done on NTFS formatted volumes, is termed as NTFS compression. NTFS allows compressing of files, folders or the entire volume and thus decreasing their size. Volume compression advantages users to decrease used space of all the contained files and folders as a single job.

Adverse effects of NTFS volume compression have been seen with respect to Exchange Server Information Store which is repository of all user mailboxes and other data. The Information Store service is the core of Exchange Server, but NTFS compressed volume may cause corruption in it. The corruption is specific when the compressed volume of information store reaches the size of 4 GB and hence requires EDB repair.

• Exchange Server processes the requests of many users at a time. It helps processing different user requests and write operations and so should not be blended in NTFS compressed volume. Compressed volumes can’t handle heavy write traffic for compression and hence doesn’t support heavily loaded servers such as Exchange Server.

• Exchange Server supports transaction logging i.e. all the data is written to log files prior to disk. Now, if you have configured it to store its files on NTFS compressed volume and Exchange Server modifies data via mapped section in a compressed file, corruption may result. The application may create bad pages in database.

• If Exchange Server is using NTFS compressed volumes, the insufficient CPU capacity can fetch problems to EDB. It should have enough CPU capacity which can host compress/decompress operations of compressed volume.

In situations like when CPU utilization gets increased or there exists large NTFS directory, the results may come out as decreased server performance and eventual Information Store failure.

About EDB Recovery

In case, EDB gets corrupted due to the above problems, edb recovery becomes mandatory. Exchange Server in-built utility, Eseutil, helps removing corruption scenarios, but may fail in several cases and delete those pages which it can’t comprehend. For safe EDB repair we need to use commercial EDB recovery software. These are the read-only and non-destructive EDB repair utilities which scan and repair corrupted EDB completely.

Stellar Phoenix Mailbox Exchange Recovery is the best quality EDB recovery application. This uses the powerful scanning algorithms to examine and repair Exchange databases. The application is compatible with Exchange Server 5.5, 2000 and 2003 and comes equipped with interactive interface. This edb repair software repairs all the database objects.

“Access denied to database Mailbox Store (SERVER2K3)” Error In Exchange Server

Backup is the most important preventive measure to avoid data loss situations. In Exchange Server, you can backup your EDB file to save yourself from any of the data loss posers. For automated and proper backup, you might use third party backup utilities.
Though, the backup is extremely helpful for handling data loss situations, but sometime even the backup may get problematic. When you attempt to restore your

Exchange Server from the backup, you might get the following error message:
“Access denied to database Mailbox Store (SERVER2K3).
WARNING: “\\SERVER2K3\Microsoft Information Store\First Storage Group\Mailbox Store (SERVER2K3)” is a corrupt file.
This file cannot verify.
Database or database element is corrupt
Log Files”
After this error message, the restoration process halts and you may fall in grave situations of data loss.

Reason

As stated in the error message, this problem occurs if the backup file is damaged. The error message shows that the Mailbox Store of your Exchange Server 2003 has got damaged and the restoration process could not be completed.
The EDB corruption could be the possible result of virus attack, incomplete backup, missing parity bit, unexpected system shutdown, application malfunction and the like. In disastrous situation of EDB corruption, you need to work around it as quickly as possible.

Resolution

To fix corruption like scenarios, you can use Eseutil. It is an inbuilt Exchange Server utility to work around database corruption like issues. In this particular case, when you run Eseutil, it works fine.

After repairing the database, when you create an offline backup and copy the Information Store to new drive and mount it, you get the same error message. This behavior shows that the corruption is severe and Eseutil could not fix it.
In these cases, you need to perform EDB recovery using third party EDB repair applications. EDB repair software are highly developed and influential tools to perform extensive scan of your corrupted database and end up at perfect EDB recovery.Using best EDB recovery software would always give you the best results.

Stellar Phoenix Mailbox Exchange Recovery is the best ever made and the most commanding EDB recovery software, which is capable of fixing all the database corruption like problems. It is applicable to all file versions of Microsoft Exchange Server including Exchange 5.5, 2000, and 2003.

“Error-1022″ In Exchange Server and EDB Repair

When you attempt to run Microsoft Exchange Information Store Service, you may face unexpected behavior of Exchange Server and may get following error message:
“The Microsoft Exchange Information Store service returned service specific error 4294966274.”
After this error message, you may find the following entries in the Application Event Log of Microsoft Exchange Server:
Event ID: 31
Source: EDB
Type: Error
Category: Logging/Recovery
Description: MSExchangeIS ((313)) Unable to read the log header. Error -1022.
Event ID: 1120
Source: MSExchangeIS
Type: Error
Category: General
Description: Error -1022 initializing the Microsoft Exchange Server Information Store database.

After this behavior, you can not access even a single bit of data from your Exchange Server Database (EDB file).

Grounds of the trouble

The above mentioned error message generally occurs due to corrupt or damaged Exchange Server Transaction Log file. This error message may also occur in case of Exchange Server database corruption due to potential hardware problems. You should check Event Viewer’s system log for finding hardware issues.

In both situations, your database will remain inaccessible and you may fall in grave situations of data loss. The data loss can never be accepted by any of the Exchange Server users and it may put you in big trouble.

In such catastrophic situations, the only thing which can save you and your business is to perform Exchange Server recovery. Exchange Server recovery is best possible using EDB recovery software.

Exchange Server recovery software are third party tools which allow you to have quick and efficient Exchange Server repair in most of the EDB corruption scenarios. You may find a wide variety of EDB repair software in the market. All these software are different from each other and have different set of features.

Stellar Phoenix Mailbox Exchange Recovery software is the best ever made and the most commendable Exchange Server recovery software. It systematically scans entire EDB file and extracts as much data as possible.

Phoenix Exchange Server repair has an interactive user interface and thus does not demand any sound technical knowledge from users’ side. It is capable of doing EDB repair for all Exchange Server objects including emails, notes, contacts, journals and so forth.

Information Store Does not Start After Restoring From Online Backup

Making online backup of Exchange Server database is the best practice to prevent data loss, but sometimes after restoring from the online backup, the Microsoft Exchange Server Information Store might not start. Information Store tools such as Eseutil and Isinteg also might not work.

At this point of time, you may come across a few or all of the underwritten error messages:

. Error -1414 or 0xfffffa7a or 4294965882 (JET_errSecondaryIndexCorrupted)
. Error -1030 or 0xfffffbfa or 4294966266 or c8000406 or 3355444230 (JET_errAlreadyInitialized)
. Error -1032 or 0xfffffbf8 or 4294966264 (JET_errFileAccessDenied)

Along with these error messages, you might observe the following event in Application Log:

. Event ID: 177
Description: MSExchangeIS ((PID)) Database ‘<DATABASE.EDB>’: The secondary index ‘<INDEX NUMBER>’ of table ‘<TABLE>’ is corrupt. Please defragment the database to rebuild the index.

. Event ID: 1081
Description: Unable to recover the database because error 0xfffffa7a occurred after a restore operation.

After this behavior, the database could not be accessed due to inability of Information Store to start.

Cause

As stated in the Application Log event entries, this problem takes place due to corruption in the Exchange Server database objects, incomplete recovery or the similar reasons. In all these situations, the database becomes damaged and the data stored in it can not be accessed and used.

Due to business importance of the stored data, like emails, notes, contacts, calendar entries and other personal information, data loss can not be accepted at any cost. You need to work around this problem as quickly as possible to ensure business continuity.

EDB corruption and the similar problems could be fixed by performing Exchange Server database recovery, using EDB recovery software. These software are made available by several data recovery companies to allow users to have straightforward EDB repair in all cases of corruption.

Stellar Phoenix Mailbox Exchange Recovery software is the best ever made and the most powerful EDB recovery software. It is able to do Exchange Server repair for all of the database objects. Phoenix EDB recovery can perform EDB repair for all file versions of Microsoft Exchange Server including Exchange Server 5.5, 2000, and 2003.

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“ESE 447 Database corruption” Error In Exchange Server

When you try to start any of your Exchange Server Storage Group, you may come across the following error message:
“ESE 447 Database corruption”
In such situations, when you create a new storage group and move your mailboxes on this, the mailboxes will remain un-functional and inaccessible. You will get the same error message here also.

Cause

This issue generally takes place because of the antivirus scanning of Exchange Server database file directory or some hardware related problems. In both of these cases, the database becomes problematic.
Event ID 447 in this error message shows that the logical structure Exchange Server database has got damaged. The logical EDB corruption may take place due to one or more of below given causes:
. Inappropriate log files were replayed while restoring the database
. The disk caching had not commended transactions to hard drive and thus the Exchange Server had crashed (stopped responding)
. The hard drive controller of Exchange Server is defective
. The log files of database have been deleted, which were not completely committed to database
Due to the undetectable nature of logical database structure corruption by the backup program, you might not be familiar with the issue. It appears only when you attempt to access a page, which has data stored on it.

Resolution.

To work around this problem, you will have to restore your database from the current backup. After restoration, you will find your database in consistent state, free from corruption. But, if you do not have proper backup, you will have to perform Exchange Server recovery.
Exchange Server recovery is potential with the help of third party software, known as EDB recovery software. These software perform quick EDB repair in most the EDB corruption cases. To ensure absolute and quick EDB repair, it is essential to have the best Exchange Server repair software.
Stellar Phoenix Mailbox Exchange Recovery software is the best ever made and the most influential Exchange Server recovery software. This powerful EDB recovery software has ultimate power to scan the damaged EDB file and extract as much data as possible from it.

Stellar Releases New updates for Mailbox Exchange Recovery

Stellar Data Recovery , a leading provider of data recovery software and service, today announced the immediate update for its popular Exchange Server recovery software- Stellar Phoenix Mailbox Exchange Recovery. With the capability to quickly and easily repair and restore all EDB objects, this software is helpful for the affected users.

The new version of Phoenix EDB recovery can also be installed and used on 64-bit computer as well as 32-bit. It is the best method for EDB recovery, helping to reduce downtime and cost of lost productivity.

The new file version has an interactive user interface and performs smooth EDB recovery without demanding any prior and sound technical knowledge. This EDB repair software has a set of powerful features which include:

  • Can be used with both 32-bit and 64-bit computers
  • Recovers email addresses from Active Directory storage
  • Stores recovered file in PST format
  • Compatible with Windows 2000 / XP / 2003
  • Recovers notes, contacts, tasks and appointments
  • Supports Microsoft Exchange Server 5.5, 2000 and 2003

For in-depth knowledge of the product, please visit http://www.ms-exchange-server-recovery.com/ . You can download and use free demo version of this EDB recovery software from Stellar’s website.

About Stellar Data Recovery

Stellar offers technology-driven data recovery software and service to help users recover their precious data. Stellar’s data recovery, email recovery, file recovery software are available for all system and application software. With more than 15 years of wealthy experience, company has over 1,000,000 satisfied customers all across the globe.