SQLServer Services not auto starting after reboot

Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7000
Date: 12/01/2006
Time: 4:15:30 AM
User: N/A
Description:
The MSSQLSERVER service failed to start due to the following error:
The service did not respond to the start or control request in a timely fashion.

Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7001
Date: 12/01/2006
Time: 4:15:30 AM

The SQLSERVERAGENT service depends on the MSSQLSERVER service which failed to start because of the following error: The service did not respond to the start or control request in a timely fashion.

Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7009
Date: 12/01/2006
Time: 4:15:30 AM

Description:
Timeout (30000 milliseconds) waiting for the MSSQLSERVER service to connect.

What caused this error:Event Type: Error
Event Source: NETLOGON
Event Category: None
Event ID: 5719
Date: 12/01/2006
Time: 4:15:05 AM
Description:
This computer was not able to set up a secure session with a domain controller in domain AU due to the following:
There are currently no logon servers available to service the logon request.
This may lead to authentication problems. Make sure that this computer is connected to the network. If the problem persists, please contact your domain administrator.

ADDITIONAL INFO
If this computer is a domain controller for the specified domain, it sets up the secure session to the primary domain controller emulator in the specified domain. Otherwise, this computer sets up the secure session to any domain controller in the specified domain.