Why is attempted upgarde of the RHEV Manager from 3.0 to 3.1 failing with the following error: "Host (IP), reason: no BIOS UUID?"

Solution Verified - Updated -


  • While upgrading from RHEV 3.0 to RHEV 3.1 the following error was encountered.
During the upgrade process, RHEV Manager  will not be accessible.
All existing running virtual machines will continue but you will not be able to
start or stop any new virtual machines during the process.

Would you like to proceed? (yes|no): yes
Stopping ovirt-engine service...                         [ DONE ]
Stopping DB related services...                          [ DONE ]
Pre-upgrade validations...                               [ ERROR ]
Pre-upgrade host UUID validation failed

Please move the following hosts to maintenance mode before upgrade:
   - Host (IP), reason: no BIOS UUID


  • Red Hat Enterprise Virtualization 3
  • HP ProLiant BL460c G1

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