Some more detail from the SQL logs
2012-08-28 17:36:17.97 Server The SQL Server Network Interface library could not register the Service Principal Name (SPN) for the SQL Server service. Error: 0x2098, state: 15. Failure to register an SPN may cause integrated authentication to fall back to NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies.
2012-08-28 17:36:17.97 Server SQL Server is now ready for client connections. This is an informational message; no user action is required.
2012-08-28 17:36:18.00 spid29s The Service Broker protocol transport is disabled or not configured.
2012-08-28 17:36:18.00 spid29s The Database Mirroring protocol transport is disabled or not configured.
2012-08-28 17:36:18.02 spid29s Service Broker manager has started.
2012-08-28 17:36:22.37 spid7s Error: 8355, Severity: 16, State: 1.
2012-08-28 17:36:22.37 spid7s Server-level event notifications can not be delivered. Either Service Broker is disabled in msdb, or msdsb failed to start. Event notifications in other databases could be affected as well. Bring msdb online, or enable Service Broker.