Pre-upgrade checks?

[dzidek23]

Hey @toko42

This sounds familiar to what I went through.

The 5.1.0 becoming disconnected, strange pkgdb errors Upgrade from UCS 5.0-10 to 5.2 failed - #5 by dzidek23

I had to remove the univention-dhcp before the update and reinstall once on 5.2

Problem: UCS 5.2 Upgrade Failure: `univention-dhcp` Package Error

Problem During the upgrade from UCS 5 to 5.2 there were some errors reported and the upgrade failed: Processing triggers for univention-config (16.0.6) ... dpkg-query: no packages found matching ldapacl_66univention-appcenter_app.acl dpkg-query: no packages found matching messages_en.properties dpkg-query: no packages found matching ldapacl_62univention-monitoring.acl dpkg-query: no packages found matching ldapacl_58openid-connect-provider.ldapacl dpkg-query: no packages found matching univenti…

If you search this forum, you should find most answers for 5.0 to 5.2 upgrade. Pre-update checks, Keycloak migration, etc… have backups of the machine available and you can definitely do it.

good luck