after following after running exchange 2010 prerequsites at http://technet.microsoft.com/en-us/library/bb691354.aspx
[mail.domain.com] Connecting to remote server failed with the following err
or message : The WinRM client received an HTTP status code of 403 from the remo
te WS-Management service. For more information, see the about_Remote_Troublesho
oting Help topic.
+ CategoryInfo : OpenError: (System.Manageme....Remote
moteRunspace) , PSRemotingTransportExcepti
+ FullyQualifiedErrorId : PSSessionOpenFailed
found no way of reinstalling winrm.
tring to fix the problem and that didn't help.
the server was rebooted and no anti-virus program is running.