Are SQL Server timeouts logged?

Question

Are SQL Server timeouts (SELECT queries, in particular) logged in the ERRORLOG file?

Background is a customer with a web site having occasional \"Request timeout\" messa

Answer 1

SQL Server timeouts are initiated from the client-side as Attention Events and are not recorded in the SQL Server Error Log.

You can monitor for Attention Events using:

• SQL Server Profiler
• The DMV sys.dm_os_ring_buffers