Elevated failures for some users joining ChatGPT Enterprise and ChatGPT Edu workspaces via SSO.

Availability metrics are reported at an aggregate level across all tiers, models and error types. Individual customer availability may vary depending on their subscription tier as well as the specific model and API features in use.

Resolved·Degraded performance

All impacted services have now fully recovered.

Tue, Mar 31, 2026, 03:00 PM

(2 hours ago)

Affected components

02:36 PM

03:00 PM

Updates

Resolved

All impacted services have now fully recovered.

Tue, Mar 31, 2026, 03:00 PM

Investigating

We are investigating elevated failures for some users joining ChatGPT Enterprise and ChatGPT Edu workspaces via SSO.

Affected users may see an authentication error during signup including registration_disallowed, after completing their organization’s SSO flow.

Tue, Mar 31, 2026, 02:36 PM(23 minutes earlier)