2788294 - Database error 8642 at OPC - Netweaver

• Error message 'Database error 8642 at OPC' displays in sm21 system log on BW system.
• Corresponding developer trace shows information similar with below:

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C (8642) [42000] [Microsoft][ODBC Driver 13 for SQL Server][SQL Server]The query processor could not start the necessary thread resources for parallel query execution.
C Error 99 (dbcode 8642) in StartSelect
C StartSelect: stmt of NULL_STMTID
C select TOP 100 [P0000].[/BIC/TGDT23G346] AS [0000000052] ,[T0000].[TXTMD]AS     
...                                                                                                                                <--- the sql statement which caused this error
C [0000000052] ASC OPTION (USE HINT('ENABLE_PARALLEL_PLAN_PREFERENCE') , MAXDOP 4

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• SQL Server 2014 (and newer)
• Netweaver

'Database error 8642 at OPC' 8642 , KBA , BW-SYS-DB-MSS , BW on Microsoft SQL Server , BC-DB-MSS , SQL Server in SAP NetWeaver Products , Problem