How to restore Sharepoint Services 3.0

1. Go to command prompt and change the directory to the following directory
C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN>

2. Type the following command, and then press ENTER
stsadm -o restore -directory \\portal\backup -restoremethod overwrite

If the restore completes successfully, the command window displays the following text:

Completed with 0 warnings.
Completed with 0 errors.
Restore completed successfully.
-------------------------------------------------
Operation completed successfully.