I just installed SCCM 2007 , I need to know how this console will discover all the computers in my domain Please advise Thanks!

You have to configure one or more discovery methods first: http://blogs.technet.com/b/configurationmgr/archive/2010/03/30/the-top-ten-clarifications-for-discovery-in-configuration-manager-2007.aspx

and the how-to docs for computer discovery: AD System Discovery - http://technet.microsoft.com/en-us/library/bb693618.aspx AD System Group Discovery - http://technet.microsoft.com/en-us/library/bb680981.aspxKent Agerlund | My blogs: http://blog.coretech.dk/author/kea/ and http://scug.dk/ | Twitter @Agerlund | Linkedin: /kentagerlund