845

Product Name

Event ID

845

Event Source

MSSQLSERVER

Component

SQLEngine

Symbolic

Name

BUFLATCH_TIMEOUT

Message Text

Time-out occurred while waiting for buffer latch type %d for page %S_PGID, database

ID %d.

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 might be the

result of hardware failure.

This error message is dependent on the overall environment of your system. Any of the

following circumstances might lead to an overstressed system:

Hardware that doesn’t meet your input/output (I/O) and memory needs

Improperly configured and tested settings

Inefficient design

You might observe error 845 when your system is under a heavy load and can’t meet the

workload demands. Some of the most common causes of a stressed environment are:

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