I ended up buying a different router. There is no fix for this. UPNP on the AX1500 does not recognize requests from a 360 console, or a XBOX One X running 360 software.

@murmur17 The newer TP-Link routers for some reason do not recognize XBOX Consoles to enable UPNP properly. Not just relegated to the newer consoles, I had all kinds of problem with a XBOX One X and...

@NotQuiteRight it's typically up to the retailer, not the manufacturer, to clear out old stock. That said, I'm not a happy customer either. If you think the buying experience was bad, wait til you've...

Bump, no answer at all? No one else has this router? Or no one from support reads the forums?

@MSStateDawg this unboxing video shows a clear view of the antennas. The way they snap in, they cannot lay down. Seems like an odd design to me. TP-Link AX11000 Gaming Router Review

I've had this AX1500 router for a little under a year now. Hardware revision is 1.0. I also have 3 xbox consoles on my home network, an XBOX One and two XBOX 360. The XBOX 360 units lost the ability...