"VM MAC address conflict" and "VM instance UUID conflict" alarms

KB ID: 1669
Product: Veeam ONE
Version: 6.x - 9.x
Published:
Last Modified: 2017-10-18

Challenge

During replication jobs, Veeam ONE triggers the VM MAC address conflict and VM instance UUID conflict alarms.

Cause

When a VM replica is created, it acquires the same MAC address and UUID as the original VM. This situation is normal because a newly created replica is an absolute copy of the original VM with exactly the same properties.
After a short time, VMware vSphere changes replica’s MAC address and UUID.

Solution

This behavior is by design. However, if you do not want to receive the alarms, disable the VM MAC address conflict and VM instance UUID conflict alarms for source VMs or for the target location.

More Information

If you have any questions or problems, please contact Veeam Support at http://www.veeam.com/support
4 / 5 (24 votes cast)

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