I think the issue is being caused by a missing network.

One of the upgrades of my test oVirt cluster went sideways and I endedup
reinstalling from fresh and importing the storage domains from the preivous
cluster.
I haven't created all of the networks that were in the previous ovirt
install as they're not really needed at the moment.

The vm's that are throwing the html null error when trying to view
snapshots have a secondary nic that isn't assigned to any network.

Regards,
Brett


On 2 July 2018 at 08:04, Maton, Brett <[email protected]> wrote:

> Hi,
>
>   I'm trying to restore a VM snapshot theough the UI but keep running into
> this error:
>
> Uncaught exception occurred. Please try reloading the page. Details:
> Exception caught: html is null
> Please have your administrator check the UI logs
>
> ui log attached.
>
> CentOS 7
> oVirt 4.2.5-1.el7
>
> Regards,
> Brett
>
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