Adding NIC fails with 'MAC Address aa:bb:cc:dd:ee:ff is already in use by VM or snapshot

Solution Verified - Updated -

Issue

  • Cannot add NIC to VM, it fails due to duplicate MAC
  • Creating new NIC fails with 'MAC Address aa:bb:cc:dd:ee:ff is already in use by VM or snapshot'
  • The MAC Pool of the cluster has enough free MACs.

Environment

  • Red Hat Virtualization 4.3.5

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content