@ceejaybassist @SingletrackMind https://community.tp-link.com/en/business/forum/topic/634552 Clive commented on this beta dropped in that above thread.

@Clive_A Uploaded this at 2 remote sites... that had 2.1.4, 2.2.2, and now on 2.1.5. Everything seems to be work... so far!

@Kabello Mine does the same.

@tokenize In normal Corporate I.T. infrastructure, you have an external DNS server away from the router. It's usually not ran off the actual gateway. So this isn't technically a workaround, its...

@jd001 Sounds like you didn't know how to configure it properly. If it didn't work FOR YOU, doesn't mean it can't work for others.

@jc22zhao Turn off all of the below: Mesh, Full-Sector DFS, Fast Roaming, Dual Band 11k Report, Prefer 5/6Ghz (band steering) And retest.