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Cisco catalyst AP 9310 NOT connecting with WLC Cisco Catalyst 9800-40

Team pls help with root cause and possible solution 

Cisco catalyst AP 9310 NOT connecting with WLC Cisco Catalyst 9800-40

3 Replies 3

Leo Laohoo
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Look at the back of the AP.  Look for the Manufacturing Date of the AP.  Is the Date of Manufacture after September 2022?

If it is, read FN - 72424 - Later Versions of Some Wi-Fi 6 Access Points Fail to Join the WLAN Controller.

The AP was manufactured October 2022, from the findings on cisco community,
the WLC needs to be upgraded to a more compatible firmware, however my fear
is that the old APs ( 2800 3700 3800) will be impacted, kindly advise on a
workaround should there be a problem with old APs connecting to the WLC.

IF there are 2700/3700, I recommend upgrading to 17.9.3.