The account has been restricted, please contact system administrator

Sign on the the pc using local pc Administrator account.

Right mouse click MY COMPUTER – PROPERTY – COMPUTER NAME. Click CHANGE. Under MEMBER OF, click on WORKGROUP & key in WORKGROUP. Click OK. Then restart the pc.

Then sign in again using local pc Administrator account. connect the system remotely through showmypc and connect it to domain

Right mouse click MY COMPUTER – PROPERTY – COMPUTER NAME. Click CHANGE. Under MEMBER OF, click on DOMAIN & key in the domain name. Click OK. Then restart the pc.