If Server Manager cannot run because of an error in a user settings file, we recommend you follow the solutions mentioned here.

If Windows Server Manager is not opening or working on your server or client computer, follow the solutions mentioned here to resolve the issue.

It doesn't come pre-installed with Server 2008, however, so before it can be opened for the first time it must be installed. To install and open the GPMC in Server 2008, use the Server Manager in ...

Depending on how your server is configured, you may be prompted to add some features in order to enable management of the File Server Resource Manager.