Are you using an external LDAP server?
If you’re using port 389 or 636, please try to change the port to 3268/3269.
A Debian system update should just work. There are also upgrade instructions for Debian 12 → 13, see Upgrade Debian 12 to 13
Are you using an external LDAP server?
If you’re using port 389 or 636, please try to change the port to 3268/3269.
A Debian system update should just work. There are also upgrade instructions for Debian 12 → 13, see Upgrade Debian 12 to 13