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We have a Unifi controller on version 5.14.23.0 and our Ap's we have a mix of Flex HD's, Nano HD's and Pro HDs on version 4.5 Here is an overview of our network. Hi,Over the summer we installed 130 AP's with an on prem controller running on a linux VM with 10 virtual processors and 8GB RAM assigned to the VMwe are currently experiencing lots of devices not being assigned an IP address 169.X.X.Xwe have 2 SSIDs configured 1 is using WPA and the other one uses Microsoft NPS (RADIUS)The power settings on the AP's are set to medium and we have set the channels to non overlapping ones.