i have installed a child domain but i had no problems what so ever.basically when u install create a user account in your root domain and add to it the enterprise admins and schema admins as well as domain admins. on the chid domain log on the server using the root server account and run the installation. when it asks for your user account specify the user account of child domain but remember to add the child domain account to domain admins in the child domain.hope this helps lancy -----Original Message----- From: Qusai Ali AL Haddad [mailto:haddadq@xxxxxxxxxxxxxxxxxxxxx] Sent: Thursday, September 05, 2002 12:53 PM To: [ExchangeList] Subject: [exchangelist] this error Msg for child domain http://www.MSExchange.org/ this error msg will kill me ,, till now for 2 weeks i didnt get the answer from any one ,.,.. the error msg is 0xC00703E5 and i get only one Articles and it not help me ,... i format the child domain controller and same things same error regards to all Qusai ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: lancy@xxxxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')