Fix error SCCM 2012 : Cannot Connect to the application server


If you get this error: Cannot connect to the application server. It may be because you are missing WCF activation.


  • Start Server Manager > Features > Add Features > .NET Framework 3.5.1 Features > WCF Activation > HTTP Activation.
Then:
  • Open Command Prompt (start > run > cmd)
  • %windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe –i –enable