Upgrading a Server

[Grok]

I posted this on a newsgroup where I expect someone will know, but to give everyone here a chance to contribute too, this is a copy of my question:

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Existing server is Windows 2000 stand-alone, containing a few dozen user accounts.  I am building a new server running 2003 to replace the 2000, and want all existing security accounts to transfer.

The existing 2000 install is buggy, so I don't want to do an in-place upgrade to 2003 with it.  But I also don't want to have to recreate all the user accounts and set file permissions on all the webs.

Has anyone done something similar and can share procedures or ideas?

Grok

[iago]

I seem to remember a security migrations program I've seen with windows NT builds, but I can't remember exactly where.