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Some devices not connecting to WPA2-PSK on 5ghz radio when Management Frame Protection is enabled

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TitleSome devices not connecting to WPA2-PSK on 5ghz radio when Management Frame Protection is enabled
Symptoms
Device will not connect to SSID on 5ghz radio with Management Frame Protection (MFP) enabled.  Device may connect for a short time and disconnect, or work for a longer period of time.  
 
Environment
  • Version 10.11.01 and newer
  • All Controllers
  • All Access Points
  • Management Frame Protection
  • WPA2-PSK
  • Microsoft Surface Pro
  • Some model barcode/hand scanners
Cause
This is currently under investigation. 
Resolution
  • Workaround is to disable MFP
  • Engineering is working on a fix for this issue in a future release. 
Additional notes
  • On some devices it fails all of the time, and others it is more sporadic
  • Please open a case with GTAC for tracking of a fix GTAC

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