Resolving “Access to source database failed with Jet Error” in Exchange Server

ody">Error: Access to source database 'c:mailbox
Microsoft Exchange Server is a reliable anddatabase.edb' failed with Jet error
advanced solution to create a collaborative and-1022.b) Operation terminated with error -1022
messaging environment. It stores all the user(JET_errDiskIO, Disk IO error) after
mailboxes in Microsoft Exchange Server database0.203seconds.
(EDB file), which can be accessed using MicrosoftWhen this behavior occurs, Exchange Server
Outlook Email client. You should regularly backupdatabase becomes totally unusable and
EDB file to prevent any sort of data lossinaccessible. You encounter same behavior every
situations, if database is damaged. However,time you try to open the database. In order to
under some circumstances, Exchange Servergain access of your valuable data, you need to
database can not be accessed after restoringfigure out the root of this issue and perform
from a backup. The database restores properly,Microsoft Exchange recovery by fixing it.
but you encounter errors while trying to access it.Cause
This behavior leads to critical data loss and needsThis behavior occurs due to missing log files or
Exchange Server Recovery to be sorted out.corrupt backup file. In both the cases, Exchange
For instance, you may come across any of theServer cannot access the source database and
following behaviors after restoring the Exchangeyou face this issue.
Server database from current backup:Resolution
1.You manage to restore the EDB file, but it single.You can try resolving this problem using Eseutil /p
There is no catalog data or transaction log file.command line tool or by restoring the database
2.The Eseutil /p utility runs successfully on corruptagain from backup. If possible, move unaffected
database, but it cannot be accessed.files from problem database to new database.
3.You cannot check the state of your ExchangeIf the above method does not work, you need to
Server database using Eseutil /mh utility.repair and restore corrupt Exchange Server
4.You get the following errors while checking thedatabase using advanced and powerful third-party
state of restored database:a) Initiating FILE DUMPapplications, known as Exchange recovery
mode...software.