Clean up Winsxs on Windows 2. R2 after SP1 install. Last year I wrote a post where I explained what the Winsxs folder was and which were the possible solutions to contain its bad habit of eating free space on your hard drive. Some days ago I have discovered that, starting from Service Pack 1, Windows 2. R2. and Windows 7 finally has a built in tool to reduce the size of the Windows Side by Side DLL repository and free up some GBs on your server storage. This tool is DISM. Cool news isnt it Personally I am happy to know that someone at Microsoft has finally decided to make it possible to reclaim a few GBs on the system partition and to partially solve this major bug. The procedure is the following Start and elevated command prompt run CMD as administrator and. Run the DISM command, which replaces the old VSP1. CLN and COMPCLN we used on previous Windows versions DISM. Cleanup Image spsuperseded. Wait 1. 0 minutes before the task completes it ends with Service Pack Cleanup operation completed. Get started with award winning uCertify Microsoft certification training products include practice exams, practice labs, elearning courses and study guides. Sign up for our free Windows Server training courses. Gain the skills needed to evaluate, deploy and use Windows Server technology in a variety of ways. P7s File Viewer. The operation completed successfullyNormally you should have been able to reduce the Winsxs folder size by 1 or maybe 2 GBs, sometimes more. Saved space may vary a lot. Just know that after using DISM you will not be able to uninstall the Service Pack 1 anymore. Lets have a look at the used switches for DISM. The online switch tells DISM to work on the running OS installation. The spsupersededoption removes the backup files created during installation. Optionally you could use the hidespoption which will remove SP1 KB9. Microsoft Server 2008 R2 Ebook' title='Microsoft Server 2008 R2 Ebook' />Installed Updates section of Programs and Features, to ensure that users do not try to uninstall the Service Pack. I hope this helps. Please let me know how much disk space you were able to free up using the given command. Microsoft Server 2008 R2 Ebook' title='Microsoft Server 2008 R2 Ebook' />Windows 8 is now avaialable to MDSN and TechNet subscribers. We are in the process of moving all the threads in the Windows 8 forums to a new Prerelease. Improve Active Directory group management, user privilege delegation, and user administration using Active Roles. Be an Early Expert in Hybrid Cloud Microsoft Azure, Azure Stack, Windows Server 2016, HyperV and System Center 2016. In last post I described how to check SID on Windows 7 and Windows Server 2008 R2, today Ill describe you how to change SID on Windows Server 2008 R2 and. Windows 7Windows Server 2008 R2. Get certified for Microsoft technology and products. Explore our online developer computer courses and exams, and take your career to a new level. Learn about Azure StorSimple, a hybrid online cloud storage service for enterprises designed to reduce costs and improve data protection. I moved that folder to another partition. My server is Windows 2008 R2, and is DC. Heres the steps 1. Logon as administrator. Copy Cwindowswinsxs to zwindows.