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2312141 - SUM - SETSYNC_PREP_STARTED : No synchronization mechanism available


  • You are running Software Update Manager(SUM) on an ABAP only system that was previously split from a dual stack (ABAP + Java) system


  • You have started SUM with the correct URL for ABAP only upgrades





  • SUM fails during PREP_INIT/SETSYNC_PREP_STARTED phase with the following error:

Last error code set: No synchronization mechanism available


  • J2EECHK.LOG contains the following traces from a previsouly existing Java system

4 ETQ399 Profile parameter 'rdisp/j2ee_start' is 1

4 ETQ399 Request handler 'J2EE' determined internally as 1


4 ETQ399 Detected JSCS instance via instance name scan.
4 ETQ399 Java SCS instance '' is detected.





  • Any version of Software Update Manager
  • ABAP system previsouly split from a dual stack (ABAP + Java) system


SAP NetWeaver all versions


Software Update Manager, SUM, SETSYNC_PREP_STARTED, J2EECHK.LOG, PREP_INPUT_CHECK, J2EE_CHK1 , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem

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