Update at 16:30UTC: Services are now recovering and players should be able to access MSFS (2020) and MSFS 2024. Thank you for your patience as the team worked to resolve this issue.
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We are aware of player reports regarding being unable to successfully launch Microsoft Flight Simulator (2020) and Microsoft Flight Simulator 2024. The team are already investigating, and we thank you for your patience.
We will update the Online Services Monitoring page as the status of this issue is monitored: Online Services Monitoring
The MSFS Team