Recently when using diskpart.exe to expand a volume on a Windows Server 2000 SP4 machine, we got a warning "Deleting the primary partition has modified the partition number of the partition that contains your Windows 2000 system files.  The old partition number was 2; the new partition number is 1."

We changed the boot.ini file from:

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(2)\WINNT
[operating systems]
multi(0)disk(0)rdisk(0)partition(2)\WINNT="Microsoft Windows 2000 Server" /fastdetect

to:

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINNT
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINNT="Microsoft Windows 2000 Server" /fastdetect

On rebooting the server, the server refused to boot throwing an NT Kernel not found error.

How to fix it:

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