The following procedure may make your computer unbootable or it may stop during startup with a "
STOP 0x0000006F SESSION3_INITIALIZATION_FAILED" error message if the associated LDM database that contains the original partitioning scheme does not agree with the partitioning scheme that was created when Windows 2000 was reinstalled. You should perform a system backup prior to following this procedure.
To work around this problem, use a disk editing tool (such as DiskProbe) and save a copy of the master boot record (sector-0 of the physical disk) to a floppy disk, and then change the incorrect system or boot partition system-ID back to a type 0x42. Next run Regedt32 and ensure the following three services have a Start value of zero:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Dmboot Start:REG_DWORD:0
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Dmio Start:REG_DWORD:0
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Dmload Start:REG_DWORD:0
After you make these manual repairs, if the computer starts successfully, the dynamic disk should be recognized and associated volumes should become accessible again.
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