Event ID 2153 is logged on each database availability group member in an Exchange Server 2010 environment

Applies to: Exchange Server 2010


The following event is logged in the Application log on each database availability group member in a Microsoft Exchange Server 2010 environment:

This issue occurs if one of the following conditions is true:
  • A remote host does not process a log copy request correctly.
  • The Get-MailboxDatabaseCopyStatus cmdlet returns the Disconnected status for the database that is mentioned in the error.
  • When this issue occurs, you may not be able to run backups on the server.
  • The remote host may process the next log copy request correctly after few seconds.


To resolve this issue, install the following update rollup:
2579150 Description of Update Rollup 4 for Exchange Server 2010 Service Pack 1


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about database availability groups, visit the following Microsoft website:
For more information about the Get-MailboxDatabaseCopyStatus cmdlet, visit the following Microsoft website: