I just finished installing a Wineguard x2 dish and 2 Wally recievers. So here's the rub. The dish supports 2 recievers but BOTH recievers have to be tuned to a channel that the dish is pointed at. So ...
You need to place each receiver in the master feed location and run a check switch on each receiver. Once each receiver has the sw64 switch on it,the receivers will be in sync and rebooting will not be necessary