RHV: cannot update cluster level with 'Cannot set single display device to non Linux operating system'

Solution Verified - Updated -

Issue

  • After upgrading my environment from RHEV 3.6 to RHV 4.0. The last step is to upgrade the Cluster Compatability Version to 4.0.
  • The following message is show in RHV-M:
Error while executing action: Cannot edit Cluster. Cannot set single display device to non Linux operating system.

Environment

  • Red Hat Virtualization 4.0

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