Thus, although only a small fraction of the reported total number of Xbox Series X|S systems already sold have been affected so far, the issue remains widespread. In fact, some people must have experienced it practically out-of-the-box, given that the forum thread has been active since November 13th, 2020, a mere three days after the system launched.
At Microsoft, we put all of our products through rigorous quality assurance testing and are committed to providing customers with an unparalleled gaming experience. We are aware some players may be experiencing disconnects with their new Xbox Wireless Controllers and our teams are actively working on a solution to be included in a future update. For the best experience, we encourage customers to update to the latest controller firmware by following the steps posted here or visiting https://support.xbox.com for assistance.
The company has also added the Xbox Series X controller problem to its list of known issues with the new system, offering the following workaround while a fix is developed:
Known issue: Some users are noticing that their wireless controllers won’t connect to the console after it’s powered on.
Workaround: We’re looking into the issue, but at this time there’s no known ETA for a fix. If you experience this issue, perform a hard reset by holding the Xbox button on the console for 10 seconds, releasing it only when the device shuts off. After powering the console back on, the controllers should be functional.