Hi Martin, Thanks for your reply, Here is some output from the process: [root@hej ~]# dnf downgrade postgresql-jdbc Last metadata expiration check: 0:37:09 ago on Sat 30 Apr 2022 09:42:39 AM CEST. Dependencies resolved. =============================================================================================================================================================================================================================================================================================== Package Architecture Version Repository Size =============================================================================================================================================================================================================================================================================================== Downgrading: postgresql-jdbc noarch 42.2.3-3.el8_2 appstream 710 k Transaction Summary =============================================================================================================================================================================================================================================================================================== Downgrade 1 Package Total download size: 710 k Is this ok [y/N]: y Downloading Packages: postgresql-jdbc-42.2.3-3.el8_2.noarch.rpm 795 kB/s | 710 kB 00:00 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Total 710 kB/s | 710 kB 00:00 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Downgrading : postgresql-jdbc-42.2.3-3.el8_2.noarch 1/2 Cleanup : postgresql-jdbc-42.2.14-1.el8.noarch 2/2 Verifying : postgresql-jdbc-42.2.3-3.el8_2.noarch 1/2 Verifying : postgresql-jdbc-42.2.14-1.el8.noarch 2/2 Downgraded: postgresql-jdbc-42.2.3-3.el8_2.noarch Complete! [root@hej ~]# systemctl restart ovirt-engine [root@hej ~]# [root@hej ~]# curl http://127.0.0.1:8706/management <html><head><title>Error</title></head><body>401 - Unauthorized</body></html>[root@hej ~]# [root@hej ~]# [root@hej ~]# curl http://127.0.0.1:8706 [root@hej ~]# [root@hej ~]# systemctl status ovirt-engine ● ovirt-engine.service - oVirt Engine Loaded: loaded (/usr/lib/systemd/system/ovirt-engine.service; enabled; vendor preset: disabled) Active: active (running) since Sat 2022-04-30 10:23:37 CEST; 3min 5s ago Main PID: 1558 (ovirt-engine.py) Tasks: 198 (limit: 37814) Memory: 1.2G CGroup: /system.slice/ovirt-engine.service ├─1558 /usr/libexec/platform-python /usr/share/ovirt-engine/services/ovirt-engine/ovirt-engine.py --redirect-output --systemd=notify start └─4166 ovirt-engine --add-modules java.se -server -XX:+TieredCompilation -Xms1495M -Xmx1495M -Xss1M -Djava.awt.headless=true -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 -Djsse.enableSNIExtension=false -Dresteasy.preferJacksonOverJsonB=true> Apr 30 10:23:37 hej.5ervers.lan systemd[1]: Starting oVirt Engine... Apr 30 10:23:37 hej.5ervers.lan systemd[1]: Started oVirt Engine. Apr 30 10:23:39 hej.5ervers.lan ovirt-engine.py[1558]: 2022-04-30 10:23:39,990+0200 ovirt-engine: INFO _detectJBossVersion:186 Detecting JBoss version. Running: /usr/lib/jvm/jre-11-openjdk-11.0.14.1.1-6.el8.x86_64/bin/java ['ovirt-engine-version', '--add-modules', 'java.se', '-server',> Apr 30 10:23:42 hej.5ervers.lan ovirt-engine.py[1558]: 2022-04-30 10:23:42,945+0200 ovirt-engine: INFO _detectJBossVersion:206 Return code: 0, | stdout: '['WildFly Full 23.0.2.Final (WildFly Core 15.0.1.Final)'], | stderr: '['WARNING: -jaxpmodule is deprecated and may be removed in a> lines 1-14/14 (END)