Please check the engine.log, there should be details of what went wrong with the HostedEngine update.

Thanks,

Lucia

On Thu, Sep 2, 2021 at 9:02 PM Andrey Rusakov <anrusakov@gmail.com> wrote:
Exact Error

Error while executing action: Cannot update cluster because the update triggered update of the VMs/Templates and it failed for the following: HostedEngine. To fix the issue, please go to each of them, edit, change the Custom Compatibility Version (or other fields changed previously in the cluster dialog) and press OK
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