Okta outage, 15 September 2026
Intermittent Access Issues with Office 365 Apps via Okta
- Started
- Resolved
- 19 Sept 2026, 02:12 UTC (after 3 days)
- Impact
- Major
- Affected
- Single Sign-On
Is this still happening?
No. Okta marked this incident resolved on 19 Sept 2026, 02:12 UTC, 3 days after it began.
Right now: Okta reports degraded performance on some systems. (as of 30 Oct, 11:28 UTC) Live Okta status
Last update from Okta
We sincerely apologize for any impact this incident has caused to you, your business, or your customers. At Okta, trust and transparency are our top priorities. Outlined below is the RCA summary for a recent incident where a third-party provider or downstream service experienced an issue that impacted the Okta service. We are committed to implementing improvements to the service to prevent similar occurrences. Detection and Impact: On September 15, 2026, at 06:33 UTC, Okta customers utilizing identity provider-initiated sign-on flows for Office 365 Outlook, Calendar, and People applications began encountering intermittent HTTP 401 Unauthorized errors upon redirection. End users successfully...
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