Decommissioning Exchange 2010 Client access server

After you move your client access server from one to another you can Demote your CAS servers. In my case,

In my case, I migrate exchange from 2010 to 2013 and move all CAS server to 2013 CAS server.

To demote CAS servers go to Control panel -> Programs and features and uninstall that:

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Click Next:

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Uncheck roles and click next:

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Click Uninstall to start uninstallation process:

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When role successfully removed click Finish:

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That’s all.

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