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Outage in Cornerstone

Service Disruption: US SL4 – Login & 404 Error Issues

Resolved Major
January 30, 2026 - Started 13 days ago - Lasted about 3 hours
Official incident page

Incident Report

US SL4 is currently experiencing a service disruption. Some users are unable to log in or are encountering 404 errors when accessing the application. This issue is our highest priority, and our team is actively working to resolve it as quickly as possible. We will provide further updates as soon they become available. Please check back periodically for the latest information.
Components affected
Cornerstone Uptime Cornerstone Response Time

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Latest Updates ( sorted recent to last )
RESOLVED 13 days ago - at 01/30/2026 06:20PM

After a period of monitoring and no recurrence, this is considered resolved.

MONITORING 13 days ago - at 01/30/2026 04:50PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED 13 days ago - at 01/30/2026 04:29PM

The issue has been identified, and we are actively working on a fix to restore normal operations. We will share another update as we continue to make progress.

INVESTIGATING 13 days ago - at 01/30/2026 03:11PM

US SL4 is currently experiencing a service disruption. Some users are unable to log in or are encountering 404 errors when accessing the application. This issue is our highest priority, and our team is actively working to resolve it as quickly as possible. We will provide further updates as soon they become available. Please check back periodically for the latest information.

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