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:REGISTER_VARIABLE is only supported in Agents with Version 11.2 or higher
Article ID: 87831
CA Automic Workload Automation - Automation Engine
Error Message : N/A
The Command :REGISTER_VARIABLE will fail if the Agent it is processed on is on a lower Automation Engine (AE) version than 11.2, it will work without problems on an agent 11.2 (or probably higher) but the command is ignored if the Agent is on a lower Version.
There is no error message displayed, but the command is not processed.
It is not described in the Documentation, as a pre-information it is described as known error.
Cause type: By design Root Cause: The behavior itself is by design, older Agents do not have the function :REGISTER_VARIABLE to handle this command, but it is not described in documentation.