Article ID: 2322161 - View products that this article applies to.
In a Microsoft Exchange Server 2010 environment, the replay queue length on passive copies of mailbox databases in Database Availability Group (DAG) may continue to increase. The log files are copied to the passive copies of the mailbox databases successfully. However, the log files are not replayed into the mailbox databases. Additionally, when the Microsoft Exchange Replication service starts, the following event is logged in the Application log:
This issue occurs when the mailbox databases have the "Don't mount this database at startup" check box selected. In this situation, Extensible Storage Engine cannot attach to the databases to replay the logs.
To resolve this issue, install the following update rollup:
(http://support.microsoft.com/kb/2425179/ )Description of Update Rollup 2 for Exchange Server 2010 Service Pack 1
To work around this issue, clear the "Don't mount this database at startup" check box from the databases properties. To do this, use one of the following methods.
To find which databases have the "Don't mount this database at startup" check box set, use the following command in the Exchange Management Shell:
To clear this check box for all these databases, use the following command in the Exchange Management Shell:
Article ID: 2322161 - Last Review: February 3, 2014 - Revision: 5.0
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