Saturday, 20 September 2014

Manually Repair Exchange Server Databases with Eseutil/Isinteg Tool

To repair corrupt exchange database Exchange administrators can take help of Eseutil and Isinteg utilities.  Both utilities such as Eseutil.exe and Isinteg.exe are inbuilt with MS Exchange Server and provide soft and hard database recovery from corrupt Exchange Server. You can find these tools in following drive location:

1.       To Run Eseutil.exe you have to go to C: Program Files, here you will find Exchsrvrbin directory Type Eseutil.exe file. 

2.      Repair switch Eseutil.exe has two repair switches “/r” and “p” for repairing corrupt Exchange database.  “/r”  run for Eseutil /R Recovery Mode and  “p” Run for Eseutil /P Repair Mode 

3.      Now  Run Eseutil /r 

4.      Run Eseutil/p command is used for soft database recovery mode. In case if you’re EDB files are severely damaged, then you should use Eseutil/p command. The command line to repair severely damaged  EDB file is:
             Eseutil /p C:\Program files\Exchsvr\mdbdata\ primary name.EDB

Now Run Eseutil /D Defragmentation Mode After the repair is done, now you have to     defragment the repaired EDB file by using Eseutil /d

    To perform integrity check-

Run Isinteg –s {Exchange Server name}-

Run the Isinteg command line until no errors are reported to the server.

                       Now Run Isinteg -s

5.       Run the Eseutil /G Integrity Mode to check the integrity of the repaired EDB database 

6.      Now this repaired EDB database can be remounted on the Exchange Server by using Exchange Administrative tools. 

7.      If you are performing Defragmentation by using Eseutil/d; you have to specify the type of database. Such as
            Option Description /ds Directory /ispriv for Private information and store /ispub for storing Public information 

8.     Now To specify the type of operations click on
    Option Description /b <path>;
It will make a backup copy of the original database at the specified location.

9.        Some additional Eseutil command switches are
·         Eseutil /C Restore Mode Eseutil /K Checksum Mode

·         Eseutil /M File Dump Mode Eseutil /Y Copy File Mode 

10.    Eseutil /C, The Eseutil command can be run in restore mode for hard database recovery from online backup. For this,  run-
              Eseutil /C. It will create a Restore.env file. 

11.   ESEUTIL /CC ESEUTIL /CM ESEUTIL /CC /T are, additional switches can be used with the /C switch. By Running:
                                 ESEUTIL /CCTo

                           You can see the Restore.env file

                         Now run: ESEUTIL /CM

                         To view the transaction logs in the Restore.env run:

                           ESEUTIL /CC /T 

12.  By Eseutil/kIt tool you can confirms the data integrity of pages in the Exchange.  such as  database.ESEUTIL /K <filename>

13.   Eseutil/mIt tool is used to get the information about the state of the repaired EDB database files. 

14.    To View the header of private information store checkpoint files. Run :
o   Eseutil /mk switch
o   Eseutil/mh
o   Eseutil/ml
o   Eseutil/mk 

15.   From the tool Eseutil/msI you can determine the amount of space in Exchange database.

      But if you are Facing EDB corruption due to JET engine failure or software malfunctioning, it cannot be fixed with Eseutil and Isinteg command tools. In this case you should choose a third party Exchange Database repair utility.

Here is an application which you can download at free of cost and repair your Exchange Database. And you are eligible to see the preview of recover data but this tool does not allow you to save data. You need to register the full version license to save data.
Exchange Recovery Tool Download


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  2. This comment has been removed by the author.

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