Hi Ajay
Thanks for the reply!
Thought it might be useful to chuck the configuration down to see if anything stands out as a 'no no'.
version 6.4.2.0-4.1.1
arm
wide-bands 5ghz
80mhz-support
min-tx-power 18
max-tx-power 127
band-steering-mode prefer-5ghz
air-time-fairness-mode fair-access
client-aware
scanning
client-match
client-match calc-threshold 20
client-match slb-mode 2
rf dot11g-radio-profile
interference-immunity 3
rf dot11a-radio-profile
interference-immunity 3
wlan ssid-profile Main_Wifi
enable
index 0
type employee
essid Main_Wifi
opmode wpa2-psk-aes
max-authentication-failures 5
auth-server InternalServer
rf-band all
captive-portal disable
dtim-period 1
inactivity-timeout 1000
broadcast-filter arp
blacklist
dmo-channel-utilization-threshold 90
local-probe-req-thresh 0
All APs face the same issue, throughout the day they hit 85%+ utilisation across both 2.5 and 5.
We have 200 devices across these APs :)