Comment # 8 on bug 1036590 from Michal Filka

(In reply to Ladislav Slez�k from comment #7)
> (In reply to Matthias Gerstner from comment #6)
> > The thing here is that in 12.2 the SuSEfirewall2 is still a SysV init script.
> > In this upgrade scenario the SysV init script was enabled before upgrade and
> > after upgrade we end up with a disabled systemd service.
> 
> Maybe then there was some change in some migration script. Actually I do not
> know how the migration from init to systemd works...
> 
> > This has worked before a recent SuSEfirewall2 update. But I fail to find the
> > logic in YaST that made this work before.
> 
> No, there is no such logic AFAIK. YaST does not touch the service during
> upgrade, the code above shows that the firewall is configured only during
> installation.
> 
> Michal, any comments?

y2network do not touch any network configuration in "common" upgrade scenario.
All automatic configuration which is done during clean installation should be
disabled in case of upgrade workflow.