CmdID / PowerShell / Cmdlets / Uninstall
Uninstall-RmsMfgSupport
Removes Microsoft Federation Gateway support from an AD RMS server. Windows Server PowerShell reference
From the Windows Server PowerShell reference 3 parameters Its page in the reference
Parameters
-Confirm, -cfPrompts you for confirmation before running the cmdlet.-ForceForces completion of the current operation.-WhatIf, -wiShows what would happen if the cmdlet runs.