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The question title is way too generic, but I couldn't figure out a better way to describe my problem.

First of all, I'm very new to this stuff, so if there is a basic information source I'm missing (logfile?) please feel free to point it out. +1 all around!

I have a sharepoint backup from a customer as a ".dat" file. I'm trying to restore this into a new sharepoint/windows server 2008 setup.

I installed sharepoint, got it working, created the first site, everything looks pretty good so far.

Now when I try to restore with this command:

stsadm -o restore -url http://ctools2/sites/test -filename c:\bkp\c-sp.dat -overwrite

after 20 minutes or so I'm getting "The backup file is corrupt and cannot be restored." No more detail than that.

I've read that this happens with large backups and can be touchy.

Also this backup may be from a Sharepoint 2.0 server--Microsoft may not have coded in backwards compatibility--don't know much.

Any hints on where to go next, or how I can get this done? I'd even settle for being able to extract the files directly, but since it's some sort of database backup image that doesn't seem very likely.

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@Bill K: this question is very hard to answer because it doesn't seem like you know what you are dealing with. Is the file the result of an stsadm backup? stsadm export? SQL Server backup? Without knowing that basic information, it is hard to say where to go. Also - is the file definitely from SharePoint 2.0 or not? And if you don't know can you find out? – MattB Mar 2 '10 at 15:26
@MattB I don't know how to find out the SharePoint version. It is from stsadm backup--I've tried all the combinations of restore commands I can... I'm even working on installing a 32 bit version of windows server because the backup was made on a 32bit system and I hear stsadmin backup is amazingly brittle. – Bill K Mar 4 '10 at 18:03

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