1887325 - ASCS cannot start during upgrade / installation | SAP Knowledge Base Article

SAP Knowledge Base Articles - preview

1887325 - ASCS cannot start during upgrade / installation


During system upgrades or installations, the respective responsible tool fails while trying to start the ASCS / SCS instance. 

You run command “sapcontrol -nr <instance number> -function GetProcessList” and it shows both Enqueue and Message Server services stopped: 

msg_server, MessageServer, GRAY, Stopped, , , <process_ID>
enserver, EnqueueServer, GRAY, Stopped, , , <process_ID>

The upgrade / installation process cannot continue.



  • SAP Systems based on SAP NetWeaver;
  • Database Independent;
  • This issue is usually observed in AIX operating systems.


SAP NetWeaver all versions


SCS, ASCS, fail, start, credentials, phase, sapinst, SUM, ehp, getprocesslist, gray, stopped, /proc, procfs, sapstartsrv , KBA , BC-CST-STS , Startup Service , BC-UPG , Upgrade - general , BC-INS , Inst.Tools - Use subcomponents; SAP Note 1669327 , BC-OP-AIX , IBM AIX , How To

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.