How to Change RHEL 9 dmi.system.uuid

Change RHEL 9 dmi.system.uuid by editing the /etc/rhsm/facts/uuid.facts file with a new, unique UUID, then re-register the machine with subscription-manager.

On physical systems, the UUID is stored in firmware and may require manufacturer-specific tools to change.

In virtual machines, the UUID can be managed through virtualization platform settings.

Edit /etc/rhsm/facts/uuid.facts file.

Create or edit the UUID facts file:

Open the file in a text editor:

$>sudo nano /etc/rhsm/facts/uuid.facts

Add or modify the following content, replacing "customuuid" with a unique UUID:

{
"dmi.system.uuid": "customuuid"
}

Generate a new UUID with tools such as uuidgen ...

$>sudo uuidgen

... or an online UUID generator.

Re-register the machine:

Unregister the system:

$>sudo subscription-manager unregister

$>sudo subscription-manager register --org="your_org"

Disk vs. system UUID:

Be careful not to confuse the system UUID with partition UUIDs.

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Change RHEL 9 dmi.system.uuid

How to Change RHEL 9 dmi.system.uuid

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How to Change RHEL 9 dmi.system.uuid

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