text: Details os ,hdd partition,  version?\nif you are talking about domain, you can remove it my dcpromo,\n\nand if you are talk that you had installed a client and server operating system both in the same computer, and you want to remove server. \nthere exists that if had installed it on other partition on hard disk, then you can simply log on into client os, and format the server os partition, edit boot.ini (hiddin file) and remove the server line from it.\n\nif you had installed both on the same partition, then you can not remove it(although you can, but will create difficulties, only experts are suppose to do). you may ireformat you partition and re-install client os.\n\nGood Luck