Posted On August 30, 2019

How to Change a Disk Signature using Diskpart

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blog.KimConnect.com >> Windows >> How to Change a Disk Signature using Diskpart

Application: to potentially resolve issues with duplicate disk signature in a Windows Virtual Machine

Symptom:

Log Name:      System
Source: partmgr
Date: 8/29/2019 9:01:23 PM
Event ID: 58
Task Category: None
Level: Warning
Keywords: Classic
User: N/A
Computer: virtualmachine007
Description:
The disk signature of disk 4 is equal to the disk signature of disk 0.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="partmgr" />
<EventID Qualifiers="32772">58</EventID>
<Level>3</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2019-08-30T04:01:23.312782700Z" />
<EventRecordID>1847939</EventRecordID>
<Channel>System</Channel>
<Computer>virtualmachine007</Computer>
<Security />
</System>
<EventData>
<Data>
</Data>
<Data>4</Data>
<Data>0</Data>
<Binary>0000000003003000000000003A000480000000000000000000000000000000000000000000000000</Binary>
</EventData>
</Event>

1. Boot from the Windows install disc
2. Click on Repair your computer after selecting proper language, time and keyboard input.
3. Choose Command Prompt when the System Recovery Options box appears
4. Change into C:
5. Run diskpart

PS C:\> diskpart

Microsoft DiskPart version 6.3.9600

Copyright (C) 1999-2013 Microsoft Corporation.
On computer: TOR-FS01

DISKPART> list disk

Disk ### Status Size Free Dyn Gpt
-------- ------------- ------- ------- --- ---
Disk 0 Online 127 GB 0 B *
Disk 1 Reserved 10 TB 0 B *
Disk 2 Reserved 5120 MB 0 B *
Disk 3 Reserved 2048 GB 0 B *

DISKPART> select disk 0

Disk 0 is now the selected disk.

DISKPART> OFFLINE DISK
Diskpart successfully offlined the selected disk

DISKPART> uniqueid disk

Disk ID: {EA2ECF55-2B5C-41F6-A29D-1A1BC527FCF1}

DISKPART> UNIQUEID DISK ID=1234ABCD

DISKPART> ONLINE DISK
Diskpart successfully onlined the selected disk

DISKPART> LIST DISK

Disk ### Status Size Free Dyn Gpt
-------- ------------- ------- ------- --- ---
Disk 0 Online 127 GB 0 B *
Disk 1 Reserved 10 TB 0 B *
Disk 2 Reserved 5120 MB 0 B *
Disk 3 Reserved 2048 GB 0 B *

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