Automate joining new domain ?

There are about 50 PCs running on Win2k & WinXP and were joined to a domain
called - And recently, I set-ed up a new domain separately from
exisiting active-directory and named it -

Well, I am now going to migrate all the PCs from to
Do you guys have any idea what is the best way to do it ? Or any
documentation for me to follow ?


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