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Windows 7: Dual booting XP and Windows 7 doesn't work after using XP

11 Aug 2010   #1

Windows 7 Ultimate 64-bit
Dual booting XP and Windows 7 doesn't work after using XP

I have 3 drives, C:, D:, and E:. E: is just a storage drive. XP was originally installed on the D: drive. I installed Windows 7 on the C: drive following the instructions at Dual Boot Installation with Windows 7 and XP. After installing Windows 7, I didn't get an option to boot XP so I used EasyBCD to add an XP entry to the boot menu. That worked, but after I boot into XP, if I shutdown or restart I get an error message about the Windows Boot Manager that says

"Windows failed to start. A recent hardware or software change might be the cause. To fix the problem
File: \boot\bcd
Status: 0xc000000f
Info: an error occurred while attempting to read the boot configuration data."

Then I have to run startup repair from the Windows 7 disk. But then I just get stuck with Windows 7 and no boot menu entry for XP. If I try EasyBCD again, the same process results. How can I fix this?

My System SpecsSystem Spec

11 Aug 2010   #2
Microsoft MVP


Please post back a screenshot of your full Disk Management drive map and listings, using Snipping Tool in Start Menu.

Are you using EasyBCD 2.0? Use this version, select Edit Boot Menu to remove XP listing. Then Add it back, accept boot files, let autocomplete, Save, Restart.

If this fails, then on BCD Backup/Repair tab, Repair Boot files.
My System SpecsSystem Spec
12 Aug 2010   #3

Windows 7 Ultimate x64, XP Mode, W8.1 Preview VM - 7 Pro x64 second remote tower

The next step if that still sees continuing problems would be rebuilding the BCD store.

1)Boot from the 7 dvd and enter the repair tools section
2)Once the 7 installation is detected you click on that and the next button to move onto the next screen
3)Select the command prompt option
4)At the dos like prompt> type "bootrec.exe" and press enter
5Tne command to enter is "bcdedit /export C\BCD_Backup"
60The is followed by:

cd boot
attrib bcd-s-h-r
ren c:\boot\bcd bcd.old
bootrec /Rebuild
(Y is for yes when prompted)

7)Type exit and watch the system restart from there.

You can refer to Error message when you start Windows 7: "The Windows Boot Configuration Data file is missing required information"
My System SpecsSystem Spec

12 Aug 2010   #4
Microsoft MVP


EasyBCD BCD Backup/Repair utility automates rebuilding the BCD store.
My System SpecsSystem Spec
13 Aug 2010   #5

Windows 7 Ultimate x64, XP Mode, W8.1 Preview VM - 7 Pro x64 second remote tower

I'm well aware of the option to restore the original store. The situation however is that the original has ro be replaced in order to see a new backup made of the correction. This is why the manual method will likely see the need there.
My System SpecsSystem Spec

 Dual booting XP and Windows 7 doesn't work after using XP

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