MinimServer 2.2 update 245 vs DSM 7.2.1-69057 Update 3 issues

[simoncn]

Thanks for the additional detail. From your description, this is definitely a UPnP network discovery issue.

It is possible that there might be some interaction between Synology Media Server and MinimServer that is causing this. As a test, please try disabling Synology Media Server to see if this makes any difference.

If the problem still happens with Synology Media Server disabled, it is likely to be caused by an issue with your router. What router do you have and does it have a configuration setting for IGMP snooping? How is your Synology NAS connected to the router? (direct Ethernet cable connection, wi-fi, via a switch, etc.)