%1 (%2) %3Database recovery failed with error %4 because it encountered references to a database, ‘%5’, which does not match the current set of logs. The database engine will not permit recovery to complete for this instance until the mismatching database is re-instated. If the database is truly no longer available or no longer required, procedures for recovering from this error are available in the Microsoft Knowledge Base or by following the “more information” link at the bottom of this message.

This Error event indicates that database recovery failed because it encountered references to a database that does not match the current set of logs.

To resolve this Error event, do one or more of the following:

• If this event is encountered after a database or log restore, verify that the correct database or logs were restored to the correct path.

• Review the Application log for related events. For example, events that occur immediately before and after this event may provide more information about the root cause of this error.

• For more information, see How to Mount a Database in a Cluster Continuous Replication Environment and How to Run Eseutil /R (Recovery).

• If you are still having difficulty resolving the issue, contact Microsoft Product Support. For information about contacting support, visit the Contact Us page of the Microsoft Help and Support Web site.

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.