Error Opening EMC
When opening the Exchange Management Console (EMC) in Exchange 2010 you may receive a nice long error that says, “The following error occurred while attempting to connect to the specified Exchange server: The attempt to connect to SERVERNAME/PowerShell using ‘Kerberos’ authentication failed: Connecting remote server failed with the following error message : The WS-Management service cannot process the request. The system load quota of 1000 requests per 2 seconds has been exceeded. Send future requests at a slower rate or raise the system quota. The next request from this user will not be approved for a least 1928339328 milliseconds.”
You get a similar error in the Exchange Management Shell (EMS).
Run the following command from an elevated command prompt:
Now the EMC will open.