1st if you download the archive on my blog (http://tinyurl.com/3alleb8) then extract it and copy the FSMOtransfer.cmd file whereever you want. This file ist the main "application". It work's in conjunction with NTDSUTIL.EXE What you can download from MS website.
I put the coice.exe with into the archive, too, because on WINXP machines it isn't a on board utility, as far as i know.
This is the default call for the Script:
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