Samba (shares) not working after update to 5.2

Hi,
after updating UCS to 5.2-1 samba is not working anymore.
No shares are accessible from other machines in the network.

When checking system services i noticed that neither heimdal-kdc nor samba4 are running. When trying to start them via the web interface it throws an error that /etc/init.d/samba is not available (which is true there only exists /etc/init.d/samba-ad-dc).

I dont know if this might be related but we changed password_encryption method of postgres15, which probably was an error because we do not know hot set passwords again…

Grateful for any hint how to probably fix this,
Christian