Issues with Custom Domains in Cell OK9
At 11/09/2026 05:10 PT, Issues with Custom Domains in Cell OK9 - Customers with custom domains are currently experiencing issues in OK9. Engineering are currently investigating intermittent connectivity errors.
The latest update from Okta.
State
Resolved
Started
51 d ago
2026-09-11 12:10 UTC
Lasted
7 days
until 2026-09-18 21:37 UTC
Worst impact
Partial outage
Timeline
3 updatesUpdate
7 days 100%
Updates
Times in UTCAs posted by Okta
We sincerely apologize for any impact this incident has caused to you, your business, and your customers. At Okta, trust and transparency are our top priorities. Outlined below are the facts regarding this incident. We are committed to implementing improvements to the service to prevent future occurrences of this incident. Detection and Impact On September 11, 2026, at 5:09 AM PDT, Okta’s internal monitoring detected access issues for custom domains on Cell OK9. During this period, customers on OK9 using custom domains may have experienced intermittent connection timeouts, connection resets, and TLS handshake failures when attempting to access Okta. Standard Okta domains were not impacted. Root Cause Summary An automated, scheduled infrastructure update left the service running with reduced capacity, rendering it incapable of sustaining incoming connection volume. Because connection-based autoscaling was non-functional at the time, traffic surges could not trigger an automatic scale-ou
Okta has remediated the OK9 connectivity issues. Connectivity errors persisted from 5:00 AM PDT to 5:36 AM PDT. We will continue to monitor and produce an RCA in 5 business days.
Engineering has identified the issue and taken remediation steps to mitigate the issue. Connectivity to Custom Domains has been restored and the service has returned to normal. Okta will continue to monitor.
Affected components
1Okta in the last 90 days
Full historyIncidents in 90 days
11
Days with an incident
62
Median duration
7 days
This incident
About the median
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