Outage in OpenAI ChatGPT
Elevated failures for some users joining ChatGPT Enterprise and ChatGPT Edu workspaces via SSO.
Resolved Minor
March 31, 2026 - Started about 14 hours ago
- Lasted 24 minutes
Incident Report
Summary AI Generated
OpenAI ChatGPT experienced elevated authentication failures for users attempting to join Enterprise and Edu workspaces via SSO, with affected users encountering "registration_disallowed" errors after completing their organization's SSO flow. The incident impacted login functionality and ChatGPT access for a 25-minute duration. The issue was under investigation with no resolution details provided in the available updates.
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.
Components affected
OpenAI ChatGPT Login OpenAI ChatGPT ChatGPTLatest Updates ( sorted recent to last )
INVESTIGATING
about 14 hours 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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