Exchange 2010 SP2 Active DAG Node. Cannot cannot to Exchange Admin Console with the following errors and these errors change from time to time ... and some times it works ...
attempt to connect to http://DAGNODE.domain.com/powershell using "kerberos" authentication failed: connecting to remote server failed with the following message: The WinRM Client cannot complete the operation within the time specified. Check if the machine name is valid and is reachable over the network and firewall exception for windows remote management service is enabled.
thanks,
