2462856 - After extended -iqmc, -iqtc, -iqlm, IQ fails to start | SAP Knowledge Base Article

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2462856 - After extended -iqmc, -iqtc, -iqlm, IQ fails to start


  • After extended -iqmc, -iqtc, -iqlm to higher value, IQ fails to start with the following error message in srvlog and stderr:
    Exception Thrown from oslib/hos_mem.cxx:578, Err# 1, tid 26 origtid 26
    O/S Err#: 0, ErrID: 517 (hos_memexception); SQLCode: -1006042, SQLState: 'QBA42', Severity: 14
    [20280]: All available virtual memory has been used; allocation cancelled:[Extra info: 67112959]
  • There is no any IQ start message at the same time in iqmsg.
  • After setting all the memory configuration back to the old value, IQ started normally.



  • SAP IQ 16.0
  • HP-UX on IA64 64bit 


SAP IQ 16.0


sybase memory cache configuration srvlog stderr 1006042 available virtual memory  , KBA , BC-SYB-IQ , Sybase IQ , Problem

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