Windows Server 2003 Back-up

Hello

I want to carry out a full back-up of Windows Server 2003, before I migrate to Windows Server 2008, is there a way of calculating the total size of the back-up, from all the drives, system state etc, will be using the back-up utility to accomplish, this, thank you.
cravenmineAsked:
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SteveCommented:
Assuming you're using the build in NTbackup it normally produces an estimate at the start of the backup (unless you disable it) but this is known to be very inaccurate so a quick total up is your best option.
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Davis McCarnOwnerCommented:
Add the sum of the logical drives (right-click -> properties) plus about 350MB for the system state.
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bbaoIT ConsultantCommented:
it depends on the backup methed, backup utility and shaow copies if any.

see below for more detials about backing up in MS way.

http://technet.microsoft.com/en-us/library/cc875820.aspx
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SteveCommented:
Yep, just add up the used space on your entire server and use that as a good estimate.
A small number of files may be ignored, depending on how you configure your backup, but a complete backup should include most of whats there.
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cravenmineAuthor Commented:
Hello

Thanks, for the answers, was looking for a calculated output, by the system, looks like I need to add it up, thank you.
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