Ok, first thing - which box do you have - is it a TiVo or a V6? If not sure - check here
I ask because the boxes connect differently to the internet. The TiVo has an inbuilt internet connection carried on the same physical cable as your TV signal, the V6 splits it off and needs a connection via your VM home broadband.
So.. under Home > Help & Settings > Settings > Network, the box should be connecting roughly every 6 hours, and the status shows in the top-left. What does it report?
If you have a TiVo, are there any flashing lights on the front, notably the heartbeat light third from left? If you have a V6, how is it connected to your homehub? Ethernet is recommended, WiFi can cause other variables.
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Hi - the box is a V6. When I ask it to connect to the virgin media service is thinks about it for a while and then simply says connection failed. The last success shows as the 27 Aug - current status is failed while negotiating.