Windows Validating AD Machine Account Here's a couple ways to validate the machine account of a PC in an Active Directory domain: dsregcmd /status If successful, it will output a device state of DomainJoined: yes. NOTE: It outputs several blocks of info. So, you may have to scroll up to see the status. Also. You can use this: nltest /sc_query:<> If successful, it will give a NERR_Success status, like this: