Does Windows Upgrade Delete folders on C: Drive

I would like to know if upgrading Windows version will delete folders that were on C: Drive ? I believe it does not but wanted to confirm

for instance upgrade from windows 2003 to windows 2008

Thank you
jskfanAsked:
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JohnBusiness Consultant (Owner)Commented:
No it should not, but you should back up anyway to be certain.

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jskfanAuthor Commented:
Thank you
JohnBusiness Consultant (Owner)Commented:
You are very welcome and I was pleased to help.
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rindiCommented:
"Upgrading" from 2003 server to 2008 server is probably not possible anyway. Most 2003 servers were installed in 32bit., while "2008 r2" (Windows 7 based) server only comes as 64bit. Also if you only use the "2008" (Vista based) server which comes as either 32 or 64 bit, you'd have to choose the correct one.

Upgrades only work inside the same bit level:

Windows 2003 32bit to Windows 2008 32bit
or
Windows 2003 64bit to Windows 2008 64bit or 2008 r2

So it is very likely that rather than an upgrade, you'll have to do a fresh installation. Besides, from 2008 server upwards, the directory structure is different from previous OS's...
jskfanAuthor Commented:
Ok, so there should be backup ./ restore to keep the data from previous versions
rindiCommented:
If it's the only DC in your environment, that isn't enough. If you want to keep any Active Directory info, you must install the new OS separately, then add it to the Domain and promote it to a DC. That will pull in all AD data. Then add the FSMO roles to the new server. After that the old server can be shutdown.
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Windows Server 2008

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