i am doing a transition from an existing win2003/exchange2003 to a Win2012R2/Exchange 2010. At first all was going well, but after a change on the new server IP address the Exchange Management Console is very slow, some information is missing, some errors come up for example trying to open on EMC Mailbox/Addresslist got this error:
"Connecting to Remote server xxx failed with the following error message: WinRM cannot complete the operation. Verify that the specified computer name is valid, that the computer is accessible over the network and that a firewall exception for the WinRM service is enabled and allows access from this computer. By default the WinRM firewall exception for public profiles limits access to remote computers within the same local subnet. For more information see the about_Remote_troubleshooti
ng Help topic."
The server is in the same subnet, is actually the local server running exchange. All firewall are set to OFF, also WinRM is allowed for all, verified WinRM for user is set to enable and allowed. Ran EMTShooter and all passed no errors. User has local and remote access and member of all admin groups, followed all the "Online" suggested to fix WinRM. The exchange 2010 is working send/receive email, but only when entering EMC is a problem. The server is not live yet, but before was fast to open and no errors. The only change was the IP but this new IP has been set up the same way the other was in all IIS settings, Firewalls, ping' is responsive, added to DNS, etc.... last time EMC took 1hr to load and each component takes about 10min.