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azure uuid virtual-machine

Is Azure system uuid immutable over the VM lifetime?

发布于 2020-11-30 13:23:04

We are looking a system UUID as a license locking criteria, and from what I can see it should work. But I can't find a definitive answer on whether the UUID survives changing availability zones/regions, changing vm size, restoring from backup etc.

Are there any corner cases where the UUID will change?

Questioner

Anders S

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0

Shiraz Bhaiji 2020-11-30 21:43:59

There is one situation in which it will change:

Azure Unique VM ID won’t change upon reboot, shutdown (either planned for unplanned), start/stop de-allocate, service healing or restore in place. However, if the VM is a snapshot and copied to create a new instance, Azure VM ID will get changed.

See: https://azure.microsoft.com/nb-no/blog/accessing-and-using-azure-vm-unique-id/

Anders S 2020-11-30 14:29:30

Thank you, that was what we needed to hear.

Shiraz Bhaiji 2020-11-30 14:50:51

Can you accept and upvote the answer if it answered your question

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