=3D As per the subject I'm trying to upgrade my ovirt install and sofar the upg= =3D rade has been smooth.
I'm running hosted-engine in Centos7.3 and my h= =3D osts are running Fedora24 now with ovirt-4.1
If I try to upgrade my c= =3D luster from version 3.6 to 4.0 or 4.1 I receive an error message and can't = =3D find a solution using google. First I get the following message:

All runnin= g =3D VMs will be temporarily reconfigured to use the previous cluster compatibil= =3D ity version and marked pending configuration change.
In order to change the= c=3D luster compatibility version of the VM to a new version, the VM needs to be= =3D manually shut down and restarted.
There are 1 running VM(s) affected by this= =3D change.

Are you sure you want to change the Cluster Compatibility Ver= =3D sion?

Yes, I want to change version :-) so I click OK

=3D I then get the following error message:

=3D

=3D Error while e= xe=3D cuting action:

Cannot ed= it=3D Cluster. Illegal number of monitors is provided, max allowed number of mon= =3D itors is 1 for VNC and the max number in the ValidNumOfMonitors configurati= =3D on variable for SPICE.
Cannot ed= it=3D VM. Illegal number of monitors is provided, max allowed number of monitors= =3D is 1 for VNC and the max number in the ValidNumOfMonitors configuration va= =3D riable for SPICE.

=3D

=3D Anyone has seen this before and is able to help?

=3D

=3D Thanks,

=3D

=3D Joop

=3D

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