Hub Transport RoleFailed Error:The following error was generated when "$error.Clear(); if ($RoleStartTransportService) { start-SetupService -ServiceName MSExchangeTransport }" was run: "Service 'MSExchangeTransport' failed to reach status 'Running' on this server.". Service 'MSExchangeTransport' failed to reach status 'Running' on this server. Elapsed Time: 00:18:09

Below one is for Exchange 2010 but applies on Exchange 2007 too... Exchange 2010: Hub Transport Role Installation Fails http://exchangeshare.wordpress.com/2009/04/18/exchange-2010-hub-transport-role-installation-fails/Amit Tank MVP: Exchange Server | MCTS: Microsoft Exchange Server 2010, Configuration | MCITP: EMA | MCSA: M Blog: http://ExchangeShare.WordPress.com | User Group: http:/MUC-UG.org.in

Yes, enable or disable ipv6 completely should do the trick. Let us know if it doesn't work.

Thank you very much Elvis Wei -MSFT Hoping your Support in the future also Regards Niroshan

Thank you Very Much Amit Tank for your support I enabled IPv6 then the problem was solved Hoping your support in the future also Thanks & Regards Niroshan Ezra

Cool, be glad to hear it's working.