CDBOOT: couldn't find bootmgr.exe

I have a system backup from computer "A" on an external USB drive.
I boot system "B" from the Windows 2008 installation DVD in order to do a full system restore
Cannot boot.  I am prompted to boot from CD so I know that part works, then a split second later I get the error "CDBOOT: couldn't find bootmgr.exe"  and that pretty much is where I'm stuck.

Surprisingly, I haven't been able to find any other examples of this happening to someone with Server 2008.

Anybody have any ideas?
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limestoneFlemingAsked:
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rindiCommented:
Either Your DVD is broken or the drive you are booting from is broken.
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limestoneFlemingAuthor Commented:
Test 1:  Moved USB drive containing windows 2008 server installation DVD to another machine and booted from it without error.  Moved USB drive containing windows 2008 server installatin DVD back to original machine and booted with same failure "CDBOOT: couldn't find bootmgr.exe"
Result: Nothing wrong with DVD or Drive

Test 2:   Replaced 2008 installation DVD with 2003 installation DVD, rebooted, chose to boot from CD and new error is: CDBOOT: memory overflow error:
Result: This PC seems to have a problem

I think you're probably right rindi, this USB drive isn't working with this particular HP machine.  Will try a different drive and report back (in case anyone else has the same problem and needs to see the resolution)
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rindiCommented:
Then test your RAM using memtest86+. You'll find it on the UBCD:

http://ultimatebootcd.com
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limestoneFlemingAuthor Commented:
Well, I don't like the solution I came up with.  I purchased a DVD reader and installed it.  Problem solved.

So I'm thinking that my emergency restore solution utilizing a USB DVD drive isn't going to work.

My guess is that the server (in this case an old Compaq desktop) isn't going to allow booting from a USB DVD or CD.  Possibly a BIOS upgrade would fix it.

So Rindi's solutions helped to troubleshoot but didn't solve the problem.  The problem is not solved - just abandoned.  (Thanks Rindi for the good tips)
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Windows Server 2008

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