If you have misplaced a Microsoft CD Key, it can be got back easily by utilizing the free tools which can go deep into your registry files. But if your Windows Vista Password is lost, or you are not able to unlock admin access to your Vista system, then you may be little worried. But relax, even this can be solved through some essential help lines and tools [free tools, naturally.] the only thing you have to so s to be assured to follow the instructions carefully. Also note that some of the tools may not restore your Windows Vista Password, but they will definitely help you set up a different password on your system.
Usually, to reset the admin login password on Vista, Microsoft has its particular set of PStools and they are specially used for this. Downloaded and extracted the PStools will help you reset Windows Vista Password or in some cases, you may need to change the admin password as a whole. This is very helpful for all the local systems and remote multiple systems.
Often, you may need to have an official tool that can unlock, recover Vistas password for you.
NTPass is one such offline tool that takes care of unlocking and recovering Vista Password, by checking on the admin accounts with the computer. It also has great utility like registry editor, to help recognize the password, unlocking and resetting a fresh password for admin access. This also holds good for Windows XP.
Currently, the earlier methods of utilizing Oph crack for retrieving password, has not worked out very well. If the above is followed, there are chances of recovering your Vista Password at the same time rejoice the admin status without having to reform or restart your system.
In case anyone has any extra information, they are most welcome to share their knowledge