/validate
– Validates that the selected disk can be converted
without performing the actual conversion.
/convert
– Validates that the selected disk can be converted
and performs the actual conversion.
/disk:
– Specifies the disk number of the disk to be processed.
If not specified, the system disk is processed.
/logs:
– Specifies the directory for logging. By default logs
are created in the %windir% directory.
/map:=
– Specifies the GPT partition type to be used for a
given MBR partition type not recognized by Windows.
Multiple /map switches are allowed.
/allowFullOS
– Allows the tool to be used from the full Windows
environment. By default, this tool can only be used
from the Windows Preinstallation Environment.
Results
MBR2GPT will now attempt to convert the default book disk.
If conversion is successful the disk can only be booted in GPT mode.
These changes cannot be undone!
MBR2GPT: Attempting to convert disk 0
MBR2GPT: Retrieving layout of disk
MBR2GPT: Validating layout, disk sector size is: 512 bytes
MBR2GPT: Trying to shrink the OS partition
MBR2GPT: Creating the EFI system partition
MBR2GPT: Installing the new boot files
MBR2GPT: Performing the layout conversion
MBR2GPT: Migrating default boot entry
MBR2GPT: Adding recovery boot entry
MBR2GPT: Fixing drive letter mapping
MBR2GPT: Conversion completed successfully
MBR2GPT: Before the new system can boot properly you need to switch the firmware to boot to UEFI mode!
About The Author: Stephan Pringle is an Information Technology Support Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.
