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MSSQLSERVER_845
SQL Server 2008 R2
A process was waiting to acquire a latch, but the process waited until the time limit expired and failed to acquire one. This can occur if an I/O operation takes too long to complete, usually as a result of other tasks blocking system processes. In some instances, this error may be the result of hardware failure.
Performing the following tasks may prevent this error:
Reduce the workload.
Verify whether there are associated I/O failures in the error log or event log. I/O failures are typically caused by disk malfunction.
Check error log for non-yielding tasks and other critical errors.
If critical errors such as asserts frequently occur, resolve these problems.
If the error persists, contact Microsoft Product Service and Support.
