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2458827 - ASE server is unresponsive - SAP ASE


  • All connections to ASE hang.
  • Connections already connected to ASE cannot run any commands.
  • Received a 1621 error:

Error: 1621, Severity: 18, State: 1
Type '16' not allowed before login.

  • Invalid packet tdslength reported

kernel  ksmask__rpacket: Invalid tdslength value 30519, kpid: 77267032
kernel  originating node of previous invalid TDS packet: <IP Address> port : 46416



  • SAP Adaptive Server Enterprise (ASE) 15.7.
  • SAP Adaptive Server Enterprise (ASE) 16.0.
  • ASE is running in kernel threaded mode.
  • ASE is only using one thread  (only one thread is configured for this server).
  • Client connections are using TDS 4.6 or lower version.


SAP Adaptive Server Enterprise 15.7


hanging, hang, hung, CPU Usage, freeze , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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