SAP Knowledge Base Article - Preview

2179021 - RUN_RSUPG_ISU_CRR_CLEAN: No free batch slots available error


During the upgrade phase MAIN_POSTCLEAN/RUN_RSUPG_ISU_CRR_CLEAN using Software update manager (SUM) the following error occurred:

A2EESCRR 096 No free batch slots available. At least 3 batch slots are needed.



Systems running on SAP NetWeaver ABAP stack

  • SAP ERP 6.0
  • SAP NetWeaver All versions


SUM background workprocess , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , BC-CCM-BTC , Background Processing , Problem

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