Microsoft confirmed an ongoing outage preventing some users from setting up MFA or reaching the My Sign-Ins platform with 504 Gateway Timeout errors reported. The company has failed over to alternate infrastructure and is evaluating further steps as elevated error rates continue.
Microsoft has switched to alternative healthy infrastructure to mitigate the impact of the outage.
As elevated error rates persist Microsoft is actively evaluating additional mitigation options.
Administrators should monitor MO1329260 in the Microsoft 365 admin center for updates on telemetry and additional request optimizations.
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