Make it a simpl program, it will be substantially smaller and more efficient.? Crestron has ceased development on D3 quite some time ago, so it is a good idea to move away from it.? And yes, it is slow.? To address your question specifically, you can "split" the program and use intersystem communication, but it does become very manual at that point.? ?The IP for EISC is 127.0.0.2.?