Perkin Elmer Tango server does not start

The Perkin Elmer Tango server did not start although QXRD had been restarted and even the Perkin Elmer PC and the starter host have been rebooted.

The following tests have been performed:

Solution: The firewall on the Perkin Elmer PC was found to disabled. Enabling the firewall with default settings cured the problem.