Update from 19.5.3 to 20.0 broke HA

Hello Ingo Buyny ,

Thanks for reaching out to Sophos Community.

Regret to hear you bumped into an issue. I may recommend you open a support ticket to have this further investigated.  

Kindly share with us the caseID once you have it. 

Many thanks for your time and patience and thank you for choosing Sophos.

Regards,

CaseID: 07168850

Hello Ingo Buyny ,

Thanks for taking the time to share with us the caseID. I have referred the details you've shared on the community on your case notes.

Please keep an eye out on your email/phone/mobile for the touch base of an engineer.  

Again, thanks for your time and patience and thank you for choosing Sophos. 

Regards,

It would be interesting if thats a general issue cause we also think to update our XGS at some point.

eventually the dedicated HA Link Port has changed on one node. Had that once when going to MR3  18.5 MR2 to MR3 Upgrade broke HA cluster and node not updating 

need to connect locally to both nodes and login webadmin - check interfaces

you wrote you did - eventually double check?

You will find another point about this on the KIL: 

https://doc.sophos.com/support/kil/index.html NC-127246

That was it, thank you very much!

Was trying to resolve the issue with Sophos Support but the technician had no idea either, so he just wanted to dig into the logfiles.

I always tried to establish with unbound interfaces or with vlans on unbound interfaces.

After setting an ip to my dedicated interface and set the DMZ Zone the HA established in no time without any error.