stsadm is not recognized as an internal or external command, operable program or batch file.

Add stsadm.exe to paths, in other words, make Windows able to execute stsadm no matter what folder you are in.

Click Start > Control panel > System > Advanced system setings

Under “System Variables” click Path (You will need to scroll down a bit). Click edit. At the end of the line add:

;C:\Program Files\Common Files\microsoft shared\Web Server Extensions\12\BIN