In bz 1887434 we made the engine call sysprep when creating the VM from a sealed template, in addition to when creating the template for VMs that are not part of pools. The next step would be to make it configurable. That is, to let the user choose whether or not to seal the created VM and keeping the existing behaviour as default.
Verified: ovirt-engine-4.4.8.4-0.7.el8ev vdsm-4.40.80.5-1.el8ev.x86_64 libvirt-daemon-7.0.0-14.3.module+el8.4.0+11878+84e54169.x86_64 qemu-kvm-5.2.0-16.module+el8.4.0+12191+622ad3bb.5.x86_64 Verification scenario: Polarion test case added to bug links
This bugzilla is included in oVirt 4.4.8 release, published on August 19th 2021. Since the problem described in this bug report should be resolved in oVirt 4.4.8 release, it has been closed with a resolution of CURRENT RELEASE. If the solution does not work for you, please open a new bug report.