We are trying to upgrade our ePMP APs to 4.4.3 with the plan that we will start deploying F-300 SMs in the field, rather than F-200s. I had made sure all SMs were running 3.5.6, and I upgraded a few APs to 4.4.3 - most SMs connected just fine, and were stable, but a lot of SMs would https://solitaire.onl/ connect for a few minutes and drop, over and over again. Rebooting didn't solve it, nor did full a power-cycle on the SMs, so I reverted the APs to 3.5.6, and all is stable again. https://9apps.ooo/
Since I haven't seen any issues running 4.4.x SMs on a 3.56 AP, I'm hoping I can try a "SMs first, then AP" cnMaestro update to 4.4.3, and I won't see the problem that way, but I admit, I am wary. Is this a known issue? Is there a workaround, or is updating all SMs, then the AP, the best way to do it?