A final note to say that switching to Access Point mode has fixed all my issues, so I am super happy. Thanks everyone for all the help and suggestions.

@RolyPolyMacaron Ok this is strange, this morning I tried to switch to Access Point mode again (tried many many times over the last week), it appeared to fail then I found a new version of the app...

@RolyPolyMacaron My Virgin Hub 5 doesn't have modem mode and I haven't been able to set the Deco system to switch to AP mode, it won't save the setting. I plan to follow the advice of setting a...

@RolyPolyMacaron Hi, I'm not sure I really understand the last suggestion, sorry. Also I do plan to try the Setup satellite as new Access point network, but will wait until next week to find the...

Sorry I didn't answer "can I consistently reproduce the issues", yes I can. I often have a work around so I can get work done. Currently using a VPN on an Amazon VM to route azure services! But can...

@RolyPolyMacaron Thank you for the reply.I did manage to update the system yesterday and it now says it is on the latest builds: Here is a more accurate diagram of the network: I will try to perform...