"univention-samba4' is not configured" after upgrading to 5.2

UCS - Univention Corporate Server
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1

Hello.

I have a master server and a backup server that showed no failures or errors before the update.

After updating the system to 5.2, the master server presented the following error.

“The following KDCs were unreachable: tcp srvad2.cnsd.local:88, udp srvad2.cnsd.local:88”

And the backup server had a critical error.

"“univention-check-join-status” returned a problem with the domain join.

STDOUT:
Warning: ‘univention-samba4’ is not configured.
Warning: ‘univention-samba4-dns’ is not configured.
Error: Not all install files configured: 2 missing

See Manual: Analysis of listener/notifier problems or run the join-scripts via “Domain join” module."

I reviewed the settings with the backup file and they are unchanged.

How can I check more details and resolve these errors?

Thanks

2

Please run univention-run-join-scripts and then tell the reported errors from the log file /var/log/univention/join.log.

3

Hello. Thanks for getting back to us.

I verified that the samba4 database was corrupt.

I carried out the procedures below and managed to make the backup server join the master server.

samba-tool dbcheck --cross-ncs --fix --yes
samba-tool dbcheck --reindex
samba-tool dbcheck --force-modules

Thanks for the help.