Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).
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.
Thread resources are low in the server.
Reduce load on the server, and run the query again.
