Two months after my install, my Harmony One, which worked great with my HR21Pro, is not properly controlling my HR34, located in the exact same spot in my cabinet. The unit is the only thing in my system that has changed. Used to be flawless, now it is frustratingly hit and miss -- mostly miss. Harmony still works great with BDP, AppleTV, Pioneer SC37. The 34 controls fine thru the dtv app on my iPad, but of course it does not control the rest of my system. Does anyone on this forum have experience using an infrared receiver plugged into the back of the HR34? I hope to contine to use the Harmony and not go to RF. If the plug-in control works, it will solve my problem. Thanks.