Displays or sets the GUID partition table (GPT) identifier or master boot record (MBR) signature for the disk with focus.
Important | |
This DiskPart command is not available in any edition of Windows Vista. |
For examples of how this command can be used, see Examples.
Syntax
uniqueid disk [id={<dword> | <GUID>}] [noerr]
Parameters
Parameter | Description |
---|---|
id={<dword> | <GUID>} |
For MBR disks, specifies a four-byte (DWORD) value in hexadecimal form for the signature. For GPT disks, specifies a GUID for the identifier. |
noerr |
For scripting only. When an error is encountered, DiskPart continues to process commands as if the error did not occur. Without this parameter, an error causes DiskPart to exit with an error code. |
Remarks
- This command works on basic and dynamic disks.
- A disk must be selected for this command to succeed. Use the
select disk command to select a disk and shift the focus to
it.
Examples
To display the signature of the MBR disk with focus, type:
uniqueid disk
To set the signature of the MBR disk with focus to 5f1b2c36, type:
uniqueid disk id=5f1b2c36
To set the identifier of the GPT disk with focus to baf784e7-6bbd-4cfb-aaac-e86c96e166ee, type:
uniqueid disk id=baf784e7-6bbd-4cfb-aaac-e86c96e166ee