NegotiateSecurityContext failed with TargetUnknown
[HttpException (0x80004005): NegotiateSecurityContext failed with TargetUnknown] Microsoft.Exchange.HttpProxy.ProxyRequestHandler.EndProcessRequest(IAsyncResult result) +591 System.Web.CallHandlerExecutionStep.OnAsyncHandlerCompletion(IAsyncResult ar) +282 --------------------------------------------------------------------------------
I just got this when logging into the Exchange Control Panel after install. Is there something I missed?