existing installation, meaning it will know it is WINNT and not Windows. So I think that is a moot point. As for upgrading, I usually shy away from upgrades because of the *junk* left behind from the previous operating system and would rather opt for a fresh installation. If the DCs are just DCs, meaning they have nothing else installed on them. I would just demote them out of the domain, wipe out the OS, and install fresh, and promote it back in when done. Other than that, are you seeing any errors or any issues going on with the current installations? Ace flyersix Guest Posts: n/a 's Computer Specifications 30th Apr 2009 On Apr 30, 10:52*am, "Ace Fekay [Microsoft Certified Trainer]" &lt;ace...@mvps.RemoveThisPart.org&gt; wrote: &gt; "flyersix" &lt;mhannt...@yahoo.com&gt; wrote in message &gt; &gt; news:a1933655-55b8-47ae-a828-(E-Mail Removed)... &gt; &gt; &gt;I am not sure if this is the correct spot for this post. *My original &gt; &gt; problem is two out of my three 2003 DCs where upgraded from 2000 and &gt; &gt; as a result the system root directory is WINNT instead of WINDOWS. *I &gt; &gt; am concerned about complications in performing an full system restore &gt; &gt; from Backup Exec tapes if the need arises. &gt; &gt; &gt; My thought was to wipe the upgraded DCs clean and install 2003 &gt; &gt; directly to eliminate the possible problems with restoring. *I thought &gt; &gt; if I performed the procedure on one first then when it was fully up &gt; &gt; and