Exchange Server Corruption, Corruption Causes and the Resolution

An email based communication server 'Microsoft Exchange Server' contains all the data of Outlook. This means, whatever you perform in Outlook is immediately synchronized with the Exchange Server.

Exchange Server uses database files ‘EDB’ to store all the Outlook information including email messages, calendars, notes and every other data item. It is obvious that EDB files are very important to keep the data safe. Unfortunately, corruption in EDB files may be caused due to malfunction, human errors, virus infection missing database objects, and improper system shutdown. The two types of corruption may occur in EDB database:

Convert EDB to PST and Solve EDB file Corruption Issue

MS Exchange Server uses a database file (EDB) to store the information of the users. MS Exchange server has corresponding mailbox for each individual user that he use to access his important data by using an email client application like Microsoft Outlook. Like any other databse application, Exchange database file is also prone to errors and may get corrupt due to various reasons. Then, in order to access user mailbox, you need to Convert EDB to PST file

There could be numerous reasons behind EDB file corruption, which could result in loss of important data. Few among them are:

1.Virus attack
2.EDB file reaching its size limit of 16 GB.
3.The Exchange transaction log files are corrupt.
4.Hardware Failure
5.Server Failure or Crash
6.File Header Corruption
7.Dirty Shutdown
8.While doing upgradation
9.Logical corruption of Exchange Database
10.Accidential deletion of User Mailbox

Above mentioned causes may lead to EDB file corruption and left you with inaccessible or corrupt data. While accessing the data from this corrupt EDB file, you may encounter various error messages and users' will not be able to access their emails, contacts, drafts, meeting schedule etc.

To access all the data in MS Outlook, EDB file need to be repaired and restored by using an EDB PST converter software like Stellar EDB to PST Converter that effectively scans the entire corrupt exchange database file and restore it into .pst file. The software quickly convert the corrupt .EDB file to a new working .PST file without causing any further damages to the original file.

How EDB to PST Converter Works?

Follow the below mentioned steps to succesfully convert EDB to PST:
1. Free Download and install the EDB to PST conversion software.
2. Browse and select the EDB file to be repaired.
3. Select the version of Server for selected .edb file
4. Click 'Start' to scan the damaged EDB file.
5. Select all the mailboxes or a particular mailbox to save at desired location.
6. The "Mailbox Recovered Successfully" message box ensures successful EDB to PST conversion.

Stellar EDB to PST Converter software uses extensive and robust scanning algorithm to scans the complete exchange database. This EDB to PST tool will successfully convert all your inaccessible .edb file items into .pst file format which can be imported in MS Outlook directly. The advanced EDB PST converter software is compatible with MS Exchange Server 2010, 2007, 2003, 2000 and 5.5. Free trial version is also available to test and evaluate the resultes of the tool.

How to recover corrupted EDB files in MS Exchange Server

The Exchange Information Store is a very important component of MS Exchange Server as it contains both mailbox store and public folder store data. All the data of the information store is contained in the EDB files. This means that it is all the more important to know its components, so that in the event of data loss, you know what to do and which kind of exchange recovery to implement. There are certain in-built methods that you can use to perform EDB repair. If these methods are not able to repair EDB file, then you should use a third-party EDB repair software to do so.

The following symptoms indicate that the information store may be corrupted.

•     Unable to start the Microsoft Exchange Information Store service.
•     Unable to stop the Information Store service and other dependant services
•     The Information Store service does not respond while the CPU usage level shows 100 percent
•     E-mails cannot be retrieved or sent by the client.

    Error messages like “unable to mount the Mailbox store….” (When an attempt is made to mount the mailbox), or “Internal processing error….” (When an attempt is made to mount the database) are displayed.

To resolve this situation, there are following methods that you can use:

    Restore from backup: You should try to restore the database with its online backup. However, you must ensure that the backup is clean and updated before this corruption occurred.

    Run ESEUTIL utility: If you the backup is not clean or not updated, then you should use the ESEUTIL tool. It is able to verify the structure of database tables and perform offline defragmentation on the EDB database.

    Run ISINTEG utility: After performing the ESEUTIL utility, you should use the ISINTEG tool. It rebuilds the EDB information store after the restoration and fixes the errors, it finds, in the information store.

When the backup is not updated or any of the it aforementioned methods fails to restore the desired information, you will need to use a third-party EDB repair software to repair EDB file. Such read-only tools are able to repair EDB files using fast yet sophisticated scanning algorithms.

Stellar Phoenix Exchange Recovery is an EDB file repair software helpful to recover all the corrupted .edb files. The software supports Microsoft Exchange Server 2007, 2003, 2000, and 5.5. This EDB to PST is able to extract the mailboxes into separate PST files according to the specific user.

Convert EDB to PST to perform EDB Recovery

Sometimes Soft recovery can not help you in all EDB corruption situations and you may face off various error messages like:

"Operation terminated with error -1003

0xFFFFFC15 JET_errInvalidParameter Invalid API parameter 4294966293"

After these error message, the soft recovery process gets terminated and your exchange database remains inaccessible. To save your data you need to convert EDB to PST.

Cause

- Missing or damaged log files or
- Invalid API (Application Programming Interface) parameters.

Solution:

To fix this problem and access your precious data, Convert EDB to PST and use it with MS Outlook.You can easily Convert EDB to PST by using third party tools like Stellar Phoenix Mailbox Exchange Recovery. It also supports EDB recovery from corrupted or damaged Exchange Server 2007, 2003, 2002 and 5.5.