If using SBS2011 thenStart the Windows SBS2011 Standard ConsoleClick on the Network icon in the top barWait for the panel in the right to become active and then click on 'Fix My Network'Let the wizard search for problems.One of the problems it should find is the expired certificate.Clear all the checkboxes except the certificate one and click Next
This will then re-issue a new self signed certificate on the server.
