This article delves into the recurring issue of WAN edge disconnection from the Mist Cloud during configuration pushes.
Upon further investigation, it seems that the SRX-4600 device isn't supported by the Mist UI. This discovery sheds light on the connection issues between the device and the cloud.
For additional details on supported devices, please refer to the following documentation. Note that the device SRX-4200 is marked with an asterisk (*), indicating that it's still not supported.