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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