I bought Win XP Pro SP 2 OEM and want to upgrade some computers - it will be a major hassle to backup the info. & re-load all the programs: can someone confirm it can be upgraded over the top of Win XP Home without reformatting?
I tried a copy of Win XP Pro SP2 with the new setupp.ini setting of 51882OEM to load. The existing version Win XP Home sp 3 stated "unable to load an older version over existing version...." and blocked the Advanced Installation dropdown. Only a fresh installation was allowed.
Could Win XP Pro SP 3 work? Is there another setting available to allow the Advanced Installation?
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