The recommended method to convert these disks is to upgrade the operating system to Windows 10 first, then perform the MBR to GPT conversion. So 2k8 sounds like a no no even for an offline conversion.

Doing so causes the GPT partition table to overwrite the data on the destination drive. To resolve this issue, the user needs to convert the GUID Partition Table disk to MBR.

Many computer users are curious about whether they should use MBR or GPT when initializing a disk for the first time in Windows. In fact, selecting the appropriate option is essential for the ...

This disk management software can convert MBR to GPT without losing any data. Check the table to learn how EaseUS Partition master makes MBR to GPT conversion safe and worry-free: ...

A master boot record (often shortened as MBR) is a kind of boot sector stored on a hard disk drive or other storage device that contains the necessary computer code to start the boot process.

To fix Diskpart Virtual Disk Service error, The specified disk is not convertible error, convert BIOS mode from Legacy to UEFI & clean your disk.

Many computer users are curious about whether they should use MBR or GPT when initializing a disk for the first time in Windows. In fact, selecting the appropriate option is essential for the ...

This disk management software can convert MBR to GPT without losing any data. Check the table to learn how EaseUS Partition master makes MBR to GPT conversion safe and worry-free: ...