Thanks for reply and all your good work on PG3 on top of all the NS' you built. Yes, I've been working with UDI on the crashes. While still working to get to the bottom of it, It appears right now that ST-Inventory requesting all my info (most notably the ~980 programs) may be too much for the 994i when a lot of other stuff is going on too. I decided I will only use it 'manually' until I move to IoP (once zwave migration is available). Aside from more horsepower behind IoP, if I heard/under