Hardware Tips and Tricks - http://www.hardwaretipsandtricks.com
Enable Administrator to Log On Automatically in Recovery Console
http://www.hardwaretipsandtricks.com/articles/150/1/Enable-Administrator-to-Log-On-Automatically-in-Recovery-Console/Page1.html
By Super Admin
Published on 11/23/2006
 
How to enable an administrator to log on automatically in Recovery Console
Enable Administrator to Log On Automatically in Recovery Console
307654How To Install and Use the Recovery Console for Windows XP307654 How To Install and Use the Recovery Console for Windows XP 308402'The password is not valid' error message appears when you log on to Recovery Console in Windows XP308402.

Details: http://support.microsoft.com/kb/312149/en-us?spid=1173&sid=73