http://blogs.technet.com/b/mempson/archive/2010/12/01/group-policy-client-side-extension-list.aspxSo I was on a customer site, troubleshooting a Group policy Client Side extension issue and could not quite figure out all of the Client side extensions that were in use just by GUID. I was reviewing the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoften-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/mempson/archive/2010/12/01/group-policy-client-side-extension-list.aspx#3445082Thu, 04 Aug 2011 12:30:33 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3445082ReaperFighter<p>This list contains everything that I have found from all operating systems including Windows 7 and all sertver editions. &nbsp; If you find any that is not here, then please email me and I will add it in</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3445082" width="1" height="1">http://blogs.technet.com/b/mempson/archive/2010/12/01/group-policy-client-side-extension-list.aspx#3444334Sat, 30 Jul 2011 19:54:13 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3444334Nidhin<p>Is this list contains Windows Server 2008 R2 CSE ? or just win2003</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3444334" width="1" height="1">