You will need to update to 4.3.10 first.Also 4.4 is using EL8, so you will need to reinstall one of the existing hosts or add a new temporarily. Best Regards,Strahil Nikolov On Mon, Jun 7, 2021 at 5:14, wangyu13476969128@126.com<wangyu13476969128(a)126.com> wrote: How to upgrade from ovirt 4.3.6 to 4.4.x ?  What are the specific steps ? _______________________________________________ Users mailing list -- users(a)ovirt.org To unsubscribe send an email to users-leave(a)ovirt.org Privacy Statement: https://www.ovirt.org/privacy-policy.html oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/E23JFZO6HKQ...