Installation Health Error when Reconfiguring: "Group run failed"

Topic

When running through a K2 Five reconfiguration via the Setup Manager, the configuration analysis section will indicate an error occurred on the Installation Health. When you click this, you will see the following error:

Instructions

This error can occur when the installation account is not a Local Administrator on the K2 server. Please verify that the installation account is a Local Administrator, and ensure that Setup.exe is run as Administrator.

Related Links

https://social.technet.microsoft.com/Forums/en-US/2080c214-52d5-420c-a8a6-cfccc3a4e0e9/how-to-get-the-full-list-of-local-admins-with-cmd?forum=winserversecurity

https://help.nintex.com/en-US/k2five/icg/5.4/default.htm#Plan/Required-Permissions.htm?