diff --git a/windows/deployment/mbr-to-gpt.md b/windows/deployment/mbr-to-gpt.md index 87134c472f..4fb101afd2 100644 --- a/windows/deployment/mbr-to-gpt.md +++ b/windows/deployment/mbr-to-gpt.md @@ -224,6 +224,7 @@ Before any change to the disk is made, MBR2GPT validates the layout and geometry - 16KB + 1 sector at the end of the disk - There are at most 3 primary partitions in the MBR partition table - One of the partitions is set as active and is the system partition +- The disk does not have any extended/logical partition - The BCD store on the system partition contains a default OS entry pointing to an OS partition - The volume IDs can be retrieved for each volume which has a drive letter assigned - All partitions on the disk are of MBR types recognized by Windows or has a mapping specified using the /map command-line option