Find below the steps to resolve Forgotten Logon Password in Windows Vista. Prerequsite Windows Vista DVD Using the Windows Vista DVD Boot to Win RE Click Command Prompt option. You get XSOURCES: Change the prompt by typing C: and Enter Now change the prompt by typing the commad: CD Windows\system32 the Prompt should change to C:\WINDOWS\SYSTEM32 Once here we need to rename CMD.EXE and MAGNIFY.EXE files. For that the command is as below ren cmd.exe cmd.old ren magnify.exe cmd.exe ren cmd.old magnify.exe Restart computer Click on Easy of Access centre left side bottom Choose Magnify option CMD window opens with the Prompt C:\Windows\System32 Type the command: net user administrator /active:yes Now Restart the computer and on the logon screen click on Administrator and the system will logon. Now go to Control Panel and User Account and click on the USER NAME for which the Password needs to be reset and REMOVE the password for that. Once that is done Click Start and type Magnify in Start Search and open it. You will get the CMD window and now we need to turn off the Administrator accounct Type the command: net user administrator /active:no Restart the computer and Boot to winRE Once there get to the Command Prompt and rename the files back to it original state. Change the prompt by typing C: and Enter Now change the prompt by typing the commad: CD Windows\system32 the Prompt should change to C:\WINDOWS\SYSTEM32 Type the following to rename the files: ren magnify.exe cmd.old ren cmd.exe magnify.exe ren cmd.old cmd.exe Restart the computer and logon with the customers USER NAME and system logs on to without asking for password.