Outage in OpenAI
Elevated failures for some users joining ChatGPT Enterprise and ChatGPT Edu workspaces via SSO.
Resolved Minor
March 31, 2026 - Started 29 days ago
- Lasted 25 minutes
Incident Report
Summary AI Generated
OpenAI experienced elevated failures affecting some users attempting to join ChatGPT Enterprise and ChatGPT Edu workspaces via Single Sign-On (SSO). Users encountered authentication errors, including "registration_disallowed" messages, after completing their organization's SSO authentication flow. The incident lasted 25 minutes and affected the Login and ChatGPT components.
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.
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Latest Updates ( sorted recent to last )
INVESTIGATING
29 days ago - at 03/31/2026 02:36PM
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.
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