The Websphere Application Server is stopped or the the communication with the DM server could not be established. The fields from MDM user information fields are editable, the rest are read-only and their values are not shown, since DM coserver is not reachable.
Check the error logs and see if the Websphere Application Server is started. Also check if the MDM username / password are valid username / password on the operating system of the DM Co-server.