JWP reverts from specified cluster hostname to local hostname resulting in U00034004 The 'WP' cannot continue error

Document ID : KB000087494
Last Modified Date : 14/04/2018
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Issue:
Error Message :
U00034004 The 'WP' 'AUTOMIC#WP002' with IP address: '10.0.0.1' port: '02272' cannot continue as the number of server licenses for 'Windows' are exhausted.

When the ucsrv.ini file points to a cluster with it's own hostname and IP address, the Java Worker Process (JWP) gives a licensing error similar to the one above when attempting to start.

The error does not appear if the ucsrv.ini file points to the localhost instead of the clustered environment. 
Environment:
OS Version: N/A
Cause:
Cause type:
Defect
Root Cause: The JWP does not use the same interface as the other WPs for the connection to the PWP. This can cause a licensing error.
Resolution:

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



Fix Status: Released

Fix Version(s):
Automation Engine 12.1.0 - Available
Automation Engine 12.0.3 - Available
Additional Information:
Workaround :
Additional license keys have to be issued if they're not in the original license key.