GitHub: Disruption with some GitHub services
Timeline of updates
- resolved
On October 21, 2025, between 13:30 and 17:30 UTC, GitHub Enterprise Cloud Organization SAML Single Sign-On experienced degraded performance. Customers may have been unable to successfully authenticate into their GitHub Organizations during this period. Organization SAML recorded a maximum of 0.4% of SSO requests failing during this timeframe. This incident stemmed from a failure in a read replica database partition responsible for storing license usage information for GitHub Enterprise Cloud Organizations. This partition failure resulted in users from affected organizations, whose license usage information was stored on this partition, being unable to access SSO during the aforementioned window. A successful SSO requires an available license for the user who is accessing a GitHub Enterprise Cloud Organization backed by SSO. The failing partition was subsequently taken out of service, thereby mitigating the issue. Remedial actions are currently underway to ensure that a read replica failure does not compromise the overall service availability.
From GitHub’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
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This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
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Cite this
Status incident (vendor impact label: minor) posted by GitHub, started 2025-10-21 16:00 UTC, resolved after 1.6 h, 1 update(s).
- Title
- Disruption with some GitHub services
- Vendor
- GitHub
- Date
- URL
- https://rewindex.com/company/github/incidents/v61nk2fpysnq
GitHub profileRecent GitHub incidentsAll outages on October 21, 2025GitHub in October 2025MarkdownJSON