Is it possible to plug another xbox controller into the adaptive controller?

Thanks for the info. How much of the xbox one controller will work if I plug it into the adaptive controller?

Only if they are for xbox one

Summary: I fixed it by plugging USB cable into a controller and pc, win 10 recognized it, system restart was required and after that controller was working wirelessly also.

Longer description: I installed fresh windows 10, downloaded and installed all win updates, then I tried all these steps and at the end controller started working.

1) plugged wireless adapter into USB windows 10 recognized it but Xbox one controller won't connect (keep on blinking)

2) plugged wireless adapter into another USB port but Xbox one controller won't connect (keep on blinking)

3) plugged wireless adapter into another USB port started task manager removed Xbox one adapter, windows found it again but still noting (gamepad keep on blinking)

4) plugged wireless adapter into another USB port (front) started task manager removed Xbox one adapter and Xbox drivers, windows found it again installed it but still noting (gamepad keep on blinking)

5) FINALLY, I fixed it by plugging USB cable into a controller and pc, win 10 recognized it, system restart was required and after that controller was working wirelessly also.

For pairing problems, as I mentioned above one quick and easy way to get the device paired is to plug in an adapter, then plug in your controller through a wired USB. The driver stack will automatically pair it to the plugged in adapter so that when you
unplug the wired controller, it will bind to the adapter. This is exactly how it is on the Xbox console.

Regarding not syncing after say a reboot, please bear in mind though that the controller can only "remember" one adapter at a time, which means plugging in to a console or binding/pairing to a console or to another PC adapter, will erase the controller's
memory of the adapter it was originally bound to.

Usually if the controller has not been repaired, an unplug/replug of the adapter is enough to reset it.

It sounds like the controller update also updates the headset adapter as the instructions state plug in headset/adapter before updating . So if you have updated the controller with out the headset adapter plugged in its possible that the console will think
the controller is updated but not recognize that the adapter isnt and then fail or say that the controller is upto date . The only way around this maybe to get a new controller or a controller that hasnt been updated and try the update again . Or try the
headset adapter in a friends controller that has had the update done and see if it works