06-21-2017 06:01 PM
We are experiencing an issue with UAP-AC-HD-US tested with v188.8.131.5229 and v184.108.40.20685. We have a Macbook Air Mid 2012 OSX 10.8.5 (12F2560) with AirPort Extreme (0x14E4, 0xE9) Broadcom BCM43xx 1.0 (FW 220.127.116.11.7).
If a UAP-PRO is upgraded to the UAP-AC-HD-US with the same SSID / PSK, the Macbook Air will manually connect without prompting for a PSK, but will not automatically reconnect after a suspend / resume cycle.
If the Macbook is successfully connected to the network and then suspends / resumes, the Macbook will not automatically re-establish the connection to the access point. The Macbook then requires someone to manually re-select the network for the connection to be re-established.
We were able to solve this issue by fully removing and reconnecting to the SSID causing the issue.
Network Settings > Wi-Fi > Advanced > [select SSID] > [click the "-" button]
We wanted to share this since it took us a long time to characterize the issue, which affects many machines. We are not certain if the issue lies with OSX, BCM firmware or the UAP firmware (or a combination).
Similar issue / post: