CA DataMinder - Exchange Server Agent uninstall failure

Document ID : KB000028507
Last Modified Date : 14/02/2018
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Description:

When attempting to upgrade or remove the CA DataMinder Exchange Server Agent the process may fail with the following error:

Error 25170. Error unregistering with Exchange Server: Unknown error 0xffff0000 (-65536) (code 0xffff0000). Ensure that you respond to any PowerShell windows and the current execution policy is not Restricted.

Solution:

This issue arises when the Microsoft Exchange Management PowerShell has not been installed on the Exchange Server.