How to Recover and Restore Precious Mail Items from Severely Damaged MS Exchange Server

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Now-a-days, many organizations use Exchange Server to perform their email communication. The Exchange Server database stores all the precious emails and other user mailbox components, such as the calendar entries, notes, contacts etc. But, unfortunately, due to many unavoidable problems, like virus infection, file system corruption of the server drive or any other hardware/software malfunction, the Exchange Server database gets corrupt.
The application event log stores various activities including the error reports related to the functioning of the Exchange Server. In case of corruption in Exchange Server 2000, one of the error messages logged in the event log file can be read as below:
“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).”
After encountering the above error message, when you try to start the Exchange Server, though it starts the mail components are completely inaccessible. To check the problem, when you run the utility, ‘eseutil/g’, it shows another error message as below:
“The Database is corrupted.”

Cause:

As discussed above, the main reason behind such Exchange Server database corruption is virus/malware infection, hard drive corruption, software contradiction etc.

How to Solve the Error ?:

In order to resolve the above problem follow any of these options, depending upon your requirement:

As the application log gives much idea about problems related to drivers, controllers, hardware etc, check out that log file carefully and resolve the issues by changing the faulty hardware or updating necessary drivers.
In case, you are running the information store, use Exchange Mailbox Merge utility to export mail items to Outlook PST files. Then, delete this corrupt database, create a new database and use ‘Exmerge’ command to move data to the newly created blank database.
However, If you are unable to mount the information store database, then you only have the option to restore data from any previously created backup.