You can try forcing a few Tivo Service Connections. Don't forget to force connections on the other Tivos on your account/network. The other Tivos need to connect to acknowledge the new addition.
Original S1 (Recycle Heaven)
Series 2 (PLS, sold)
TiVo HD (XL, PLS, "652")
Juliet Basic (4XL, PLS)
The TiVo Apocalypse begins on Sat 2013 Feb 16 00:00 GMT!