|get excel data to text (imo) easiest for text list of old/new names.|
then, for each computer,
should just be a bunch of analysis of reg dumps of certain keys. then use REG ADD/DELete to attain your objective.
(see reg /?)
if you have multiple userprofiles per computer, it gets gnarley
(as far as naming computer as username.)
just search a registry for computer name as i did, and see what you need to change (probably all instances)
where x starts at one. there are lots of other instances.
the text parsing/analysis of REG QUERY output is fairly straightforward, but if you hit problem i'll try to help.
i've never tried this (no access to server environment), you prob'ly need to have all users logged off, and yourself admin priv. (i figure you know far more of this than i)