Two additional hints were added to the ZDU documentation Upgrade Process
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Two additional hints were added to the ZDU documentation Upgrade Process


Article ID: 84928


Updated On:


CA Automic Workload Automation - Automation Engine


Error Message :
U00011898 Switch server mode to DWP not allowed during Zero Downtime Upgrade.

The following two hints were missing in the overview section of the Zero Downtime Upgrade (ZDU) documentation: 
  • While you are in compatibility mode, you are not allowed to switch a Worker Process (WP) to a Dialog Process (DWP). 
  • When an Automation Engine process running the old version stops, it cannot be restarted. When all Automation Engine processes running the old version have stopped (e.g. because of a power failure), the ZDU finalizes the upgrade process. No rollback is possible in this case.


OS Version: N/A


Cause type:
Root Cause: N/A


Update to a fix version listed below or a newer version if available. where the above two hints are now included in the overview section of the ZDU documentation.


Automic Workload Automation 12.1 Documentation:
Installation Guide > Upgrade Installation > Zero Downtime Upgrade > Upgrade Process

Fix Status: Released

Fix Version(s):
Component(s): Automic online documentation

Automic Online Documentation 12.1.0 - Available

Additional Information

Workaround :
Do not switch to mode DWP or stop the server processes running the old Automation Engine version while performing the ZDU.