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Undocumented limit of simultaneous connections per CP


Article ID: 84320


Updated On:


CA Automic Workload Automation - Automation Engine


Error Message :
U0003398 A maximum number of '2030' connections is supported 

The following limits are neither documented nor contained in any log files: 
  • Maximum parallel connections per Communication Process (CP)
  • Maximum number of agents per system 
  • Maximum parallel user sessions 



Cause type:
Root Cause: The Maximum Connection, User session and Agent limit is not written to the AutomationEngine log files.


OS Version: N/A


Update to a fix version listed below or a newer version if available.

Since these values could be different for every Automation Engine (AE) version, this information is now logged by the Automation Engine. 

The following new messages are printed to the AE log at startup and log changes.

New log messages in the PWP log: 
U00015014 Maximum parallel user sessions per system: '1024' 
U00015015 Maximum number of agents per system: '500000' 

New message in the CP log: 
U00003323 Maximum number of parallel connections per CP: '99999' 

Fix Status: Released

Fix Version(s):
Automation Engine 12.1.1 - Available
Automation Engine 12.0.4 – Available

Additional Information

Workaround :