What is the command to apply security updates on Windows Server 2012 R2? Tagged: PowerShell 4.0 Windows Server 2012 This topic contains 1 reply, has 2 voices, and was last updated by Richard Siddaway 10 months, 2 weeks ago. Author Posts March 8, 2016 at 6:33 pm #36296 KiranParticipant I want to apply security updates exclusive of other Windows patches on demand. I have installed DSC. I don't know that DSC is even necessary. What is the command to apply security updates on Windows Server 2012 R2? March 9, 2016 at 3:06 am #36307 Richard SiddawayModerator There isn't one built in to PowerShell or Windows Server Server 2012 R2 has a WSUS module for managing a WSUS server For managing patch installation I use the PSWindowsUpdate module from the PowerShell gallery Author Posts You must be logged in to reply to this topic.