What is the use of shared secret key in IAP&Airwave and how we could retrieve lost key from AMP?
Shared key is used to authorize the IAPs device in to Airwave and to make sure only valid devices been added to Airwave.The benefit of remembering the shared secret is that when a new IAP is detected with the same shared secret / organization string pairing, it will get automatically approved into AirWave if another device with that pairing is already present / approved as a monitored device.
With the above in mind, it'd be okay to create a new shared secret. This would mean that the 1st device with the new shared secret would go into the new devices bin until approved. Once you manually approve 1 entry with the new shared secret, additional IAPs with the new pairing will be automatically approved. Ideally you would setup 1 IAP with the new shared key first to approve before enabling the other IAPs. If they all go live at the same time, you can simply delete the extras from new devices and then they will be automatically authorized the next time they are discovered.
If we forget the key, we could run the below command in Airwave CLI to get shared secret key from Airwave database
#dbc "select password from ap where id = 'xx'";
Replace xx with VCs id number, we could get this id from APs/Devices>monitor URL.
Note: dbc commands won't work in the future as the AMP CLI will be locked down.