You can run multiple open connections concurrently. If a connection times out and is disconnected from a server, it remains disconnected until it is required, and then re-connects automatically.
To display the Dimensions CM Explorer, from the Window menu select Perspective | Open Perspective | Other | Dimensions CM.
In Dimensions CM Explorer, right-click Dimensions and select Connect To | <connection>.
Enter the password for the operating system user that you wish to log-in as, and click the OK button.