MSSQLSERVER_8642

Applies to: SQL Server

Details

Attribute	Value
Product Name	SQL Server
Event ID	8642
Event Source	MSSQLSERVER
Component	SQLEngine
Symbolic Name	EXCHNGSTART_ERR
Message Text	The query processor could not start the necessary thread resources for parallel query execution.

Explanation

Thread resources are low in the server.

User Action

Reduce load on the server, and run the query again.