I've just installed Sophos APX and XG in a few new sites but I haven't had so many problems with a single wireless product!
Most often, we have clients that can't connect to the APs despite having the correct password saved on their devices. It seems that the AP intermittently forgets or changes the SSID password.... not exactly sure how or why it would do this but clients try to connect and are given the "password is incorrect" message. So my only fix so far is to reboot the AP using cloud.sophos.com. The problem here, though, is that it's not a fix and the problem will resurface in a day or two.
The APs in question never have more than about 15 users connected so I cannot see them being overloaded. In fact, these problems first arose when the building was still under construction. Why would the APs, with constant connection to the cloud, have issues with their own provisioning?
I've not had this issue with any other product... and when I reached out to support, they told me there is no problem. My next course of action will be to move the APs to be controlled by the XG instead of the cloud. Hopefully this will bring some better reliability.
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