Sky HD Box fault

For the second time this year my Sky HD box has 'forgotten' about VOD
style Anytime+ and reverted to the standard 'push' Anytime.

I called them today and whilst they would not admit this was a fault,
they acknowledged that HD boxes have a habit of doing this. Perhaps
it's a 'feature' like the squeaky clutch on a Mk3 golf.

The way, apparently, to restore the VOD is to unplug everything,
including the ethernet cable in the router and the box, power things
back up again, then reconnect the LAN cable.

What a fecking faff!