Create a custom .msi to massage the options you want to preset and restore the advanced settings. The documentation isn't entirely clear on what all the optional values are, but it wasn't too difficult to get the basics down and push a custom instal...
We've lost more than a dozen routers this year alone that are not covered. In service more than the 3-4 months they'll cover but no more than about a year.
The fix: Stop buying 4331s ever again and purchase 2901s...Even though they go end of sale...