If you have encountered the Roblox Authentication Error Code 901 on Xbox or Windows 11/10 PC, try the solutions in this post to resolve the issue.

Here's how to fix Roblox error code 277 (Disconnection Error) and 901 (Authentication Error) on Windows 11/10 PC or Xbox One.

While the Roblox error code 901 has been reported in both Xbox console and PC, the most cases that we’ve encountered occur in Xbox consoles.

Roblox Error 901 Solution According to the Roblox Help page, error code 901 typically occurs when players sign up for an account or link their Gamertag.