SCCM R2 SP2 on Windows Server 2008 R2 x64 Installed WSUS 3.0 successfully however at end of install (after pressing finish) an error message appears stating: An unexpected error occurred, and this wizard must be closed. you may restart the WSUS server configuration wizard from the options page in the wsus 3.0 console. I installed WSUS in custom port: 8530 in event log Error 7053, 12052, 12042, 12032, 12012 DDSAuthentication Web service is not working SimpleAuthWeb, ClientWebService, Server Sync web service, API remoting web, and reporting web service is not working.. Any ideas?

Check this - http://www.microsoft.com/technet/support/ee/transform.aspx?ProdName=.NET+Framework&ProdVer=2.0.50727&EvtID=12052&EvtSrc=Windows+Server+Update+Services&LCID=1033Kent Agerlund | http://scug.dk/ | The Danish community for System Center products

Problem was in IIS Application Pool for WSUSPool. Had to change it from Network Service to Local System. WSUS worked immediately. Very strange.