How to uninstall the NES but keep the NAC

Document ID : KB000016159
Last Modified Date : 14/02/2018
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Introduction:

When switching from an all-in-one environment to a distributed environment, it may be desirable to have remote execution servers only. 

Question:

How to uninstall the execution server (NES) from the server that also runs the management server (NAC).

Environment:
Release Automation 6.x
Answer:

1. stop the management server 
2. delete the directory RA_HOME/webapps/execution and also the execution.war if present 
3. restart the management server

Additional Information:

If the agent is also running on the NAC server, you need to point it to a different NES as the local one is no more available. Refer to https://support.ca.com/us/knowledge-base-articles.TEC1694756.html for instructions on how to do that.