I am getting this error while logging with CME.

This is the complete error message:

System.ServiceModel.FaultException`1[Tridion.ContentManager.CoreService.Client.CoreServiceFault]: Value cannot be empty. Parameter name: userName. (Fault Detail is equal to Tridion.ContentManager.CoreService.Client.CoreServiceFault).

What does this error mean?

  • Have you checked if the Tridion Content Manager Service Host is running? Have you tried restarting it? Commented Aug 28, 2014 at 17:24
  • yes after making changes i restarted my iis and services
    – Pankaj786
    Commented Aug 29, 2014 at 3:42

1 Answer 1


Its a IIS issue we have to set Deny Rule For Local User.. Refer Link



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