Digging deeply thru the past year or so of threads and kinda surprised there are not a lot on here connecting a secondary Z-wave controller (outside of for diags use), especially alarm systems that can talk Z-wave.
So anyone successfully paired their HE as a primary to a 2gig GoControl 2 or the new GC3 panels?
I did this flawlessly with my ST hub for a couple years. All devices came over well including secure locks and garage opener. My alarm is managed by Alarm.com (ADC) so had the option of controlling devices with their app. The most important feature to justify this is their various alarm sensors are proprietary (like most) so ADC is the only way to bridge an alarm sensor rule to a Z-wave action such as Alarm Set > Turn off lights.
So after "Learn Controller" on the 2gig I do get most HE devices to show up on my GC2 ... except for the locks/garage opener. Yes, I'm pairing with the HE only 6" from the panel and letting it sit for hours. Locks were never a problem between the ST hub as primary and the GC2. I do also have "Secure Locks/Garage"= enabled.
Something I'm doing wrong or is HE just not (yet) a good primary controller citizen?
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@steph.matt.borgstran Any updates from your adventure integrating the GC2? Did it ever work out getting the locks/garage?
One reason the the locks and garage door don't show up is the network security keys are not shared between hubs. There would need to be some formal mechanism for the key exchange. I have a Aeon Zstick connected as a secondary and can control lights etc. with the HE hub shut down, but the security devices aren't available.
Yeah, this would appear to be an HE fault as a primary controller because, like I said, my SmartThings hub never had a problem passing down those security keys for either the Kwikset locks or the Linear garage opener. They all worked whether I came thru the ST app or Alarm.com thru the GC2 panel (as secondary).
It isn't a fault. HE simply doesn't support secondary controllers. It has been discussed by the staff in the past. Hopefully, at some point, that position changes, and we are able to add send hubs for backup etc.
Where do you see that? I only see threads where staff has commented that the C-5 must be primary and cannot be added as a secondary to something else.
Samsung doesn't support an ST hub being secondary, either. BUT if you are a certified primary the way I read the Z-wave spec you are supposed to support any controller that supports being a secondary. So far I have yet to see any secondary controller (incl. Z-stick) get secure devices from a Hubitat ... so that would lend fault to Hubitat 
My requirements before being able to install Hubitat...
1) Work as a secondary Z-wave controller with my 2GIG GC2 z-wave alarm panel.
This is important for "spousal acceptance factor". The system is currently controllable via alarm.com and nothing should break that.
2) Z-wave Locks need to work with the 2GIG GC2 AND HE.
As far as integrating with the reset of the alarm system there are a lot of 345MHz honeywell and 2GIG sensors, these can be integrated with HE via a 345MHz to MQTT bridge with a software defined radio GitHub - chriskacerguis/honeywell2mqtt: A Docker image for a software defined radio tuned to listen for Honeywell RF security sensors at 345Mhz.
This is the sort of thing I'd like to run on the HE machine but I understand is not possible for a variety of reasons (requires USB port, and GNU Radio), so can be run on a Raspberry PI or a docker image on an laptop etc.
So I am curious about what the state currently is with respect to items 1 and 2 -- working as a secondary controller, and with z-wave locks?
Also are secondary controllers sufficiently aware of the state of z-wave devices? I saw a thread in which it was claimed that secondary z-wave devices would not know about z-wave device states
