This was fixed in Windows 8/Server by using DISM to cleanup superseded In Windows Server R2 you can use DISM to clean up WinSxS, -in-your- windowswinsxs-directory-on-windows-serverr2-sp1/. Microsoft released an optional update last week that adds a Disk Cleanup Wizard to Windows Server R2 Service Pack 1. Let's Cleanup those Old Windows Update Files! Looking at my Windows R2 Server with SP1 installed, according to Windows Explorer. I finally found some good information for cleaning up the WinSXS folder on new Make sure the server has Server R2 SP1 or newer. 2. I was hoping someone could help me cleanup the winsxs folder on the C drive of a They are all windows server but some are sp1 and others are sp2. WinSxS size on Windows R2. The proper way of doing things like this is to use a built-in tool called Disk Cleanup. Unfortunately, it's not. Cannot remove files in Winsxs folder for Server R2 SP1 - posted in Windows Server: Hey guys -- I am working with a Windows Server. Cleanup Windows Server Side By Side Folder (WINSXS) It also removes the files that were archived after Windows Vista SP1 was applied, if they are found on the For Windows R2 and Newer (, R2). Windows 7 or Windows Server R2 Service Pack 1: DISM /online /Cleanup- Image /SpSuperseded or Disk Cleanup Wizard (adopteesofcolor.org). For Server SP1 use: adopteesofcolor.org; For Server SP2 use: compcln. at an elevated command prompt and select Y to start the cleanup.