Dynamics CRM 2011 Trace Error

gistfile1.xml

<TraceRecord xmlns="http://schemas.microsoft.com/2004/10/E2ETraceEvent/TraceRecord" Severity="Error">
  <TraceIdentifier>http://msdn.microsoft.com/nl-BE/library/System.ServiceModel.Diagnostics.ThrowingException.aspx</TraceIdentifier>
  <Description>Throwing an exception.</Description>
  <AppDomain>/LM/W3SVC/2/ROOT-1-129423140458251760</AppDomain>
  <Exception>
    <ExceptionType>System.ComponentModel.Win32Exception, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</ExceptionType>
    <Message>The Security Support Provider Interface (SSPI) negotiation failed.</Message>
    <StackTrace>
      at System.ServiceModel.Security.WindowsSspiNegotiation.GetOutgoingBlob(Byte[] incomingBlob, ChannelBinding channelbinding, ExtendedProtectionPolicy protectionPolicy)
      >   at System.ServiceModel.Security.SspiNegotiationTokenAuthenticator.ProcessNegotiation(SspiNegotiationTokenAuthenticatorState negotiationState, Message incomingMessage, BinaryNegotiation incomingNego)>
    </StackTrace>
    <ExceptionString>System.ComponentModel.Win32Exception (0x80004005): The Security Support Provider Interface (SSPI) negotiation failed.</ExceptionString>
    <NativeErrorCode>8009030C</NativeErrorCode>
  </Exception>
</TraceRecord>