vCentre server failed to start

What After rebooted the Windows Server 2008, vCentre server failed to start;

• the vSphere client cannot connect to vCenter Server
• remote desktop connect to the vCenter Server and found that VirtualCenter Server service did not start, even manually restart it, still fail

Error Messge / Symptom

• found a Microsoft Windows Event error in the system log - The Event properties - Event 7024, Service Control Manager
• The VMware VirtualCenter Server service terminated with service-specific error The system cannot find the file specified. 
• If vCenter Server is using Microsoft SQL, the vpxd.log shows the error:
  ODBC error: (08001) - [Microsoft][ODBC SQL Server Driver][DBMSLPCN]SQL Server does not exist or access denied

Solution / Fix
The password accessing the VCDV could be corrupted; need reset
Click Start, then type cmd in the search box.

1. When cmd.exe appears, right-click it and choose Run as administrator. The command prompt window opens.
2. Navigate to the directory in which vCenter Server is installed:
   
   • In VirtualCenter 2.0.x, it is installed by default in:
     C:\Program Files\VMware\VMware VirtualCenter 2.0\
   • In VirtualCenter 2.5.x, vCenter Server 4.x and 5.x, it is installed by default in:
     C:\Program Files\VMware\Infrastructure\VirtualCenter Server\
3. Run the command:
   vpxd.exe -p
4. When prompted, enter the new password and press Enter.
5. Retype the pasword and press Enter again to complete the password change.
   Note: You must change the password through the command line, as it is encrypted in the registry.