Cornerstone Status Page

All Systems Operational

About This Site

Welcome to Cornerstone System Status Dashboard!

This page shows the system status for the Cornerstone SaaS environments.
Downtime is when a swimlane is not accessible by 25% or more of our customers by any login method and the incident resides with Cornerstone (rather than the customer's connection). This excludes any planned maintenance , patch or release (please see calendar linked to the bottom left of this page)

The current status column is updated in near-real time to reflect any ongoing production issues.
You can Subscribe to updates via Email/SMS and Web hook by clicking the "Subscribe to updates" option just below the Cornerstone Banner.

Uptime over the past 90 days. View historical uptime.
US SL4 (AWS) Operational
90 days ago
99.92 % uptime
Today
Uptime Operational
90 days ago
99.92 % uptime
Today
Response Time Operational
AU SL1 (AWS) Operational
90 days ago
100.0 % uptime
Today
Uptime Operational
90 days ago
100.0 % uptime
Today
Response Time Operational
JP SL1 (AWS) Operational
90 days ago
100.0 % uptime
Today
Response Time Operational
Uptime Operational
90 days ago
100.0 % uptime
Today
UK SL1 (AWS) Operational
90 days ago
99.97 % uptime
Today
Uptime Operational
90 days ago
99.94 % uptime
Today
Response Time Operational
90 days ago
100.0 % uptime
Today
UK SL2 (AWS) Operational
90 days ago
99.97 % uptime
Today
Uptime Operational
90 days ago
99.94 % uptime
Today
Response Time Operational
90 days ago
100.0 % uptime
Today
UK SL3 (AWS) Operational
90 days ago
99.97 % uptime
Today
Uptime Operational
90 days ago
99.94 % uptime
Today
Response Time Operational
90 days ago
100.0 % uptime
Today
UK SL4 (AWS) Operational
90 days ago
100.0 % uptime
Today
Uptime Operational
90 days ago
100.0 % uptime
Today
Response Time Operational
90 days ago
100.0 % uptime
Today
CDG SL1 (AWS) Operational
90 days ago
99.98 % uptime
Today
Uptime Operational
90 days ago
99.98 % uptime
Today
Response Time Operational
90 days ago
99.98 % uptime
Today
CDG SL4 (AWS) Operational
90 days ago
100.0 % uptime
Today
Uptime Operational
90 days ago
100.0 % uptime
Today
Response Time Operational
90 days ago
100.0 % uptime
Today
FRA SL1 (AWS) Operational
90 days ago
100.0 % uptime
Today
Uptime Operational
90 days ago
100.0 % uptime
Today
Response Time Operational
90 days ago
100.0 % uptime
Today
US SL1 (AWS) Operational
90 days ago
99.97 % uptime
Today
Uptime Operational
90 days ago
99.95 % uptime
Today
Response Time Operational
90 days ago
100.0 % uptime
Today
US SL2 (AWS) Operational
90 days ago
99.94 % uptime
Today
Uptime Operational
90 days ago
99.91 % uptime
Today
Response Time Operational
90 days ago
99.96 % uptime
Today
US SL3 (AWS) Operational
90 days ago
99.95 % uptime
Today
Uptime Operational
90 days ago
99.95 % uptime
Today
Response Time Operational
US SL5 (AWS) Operational
90 days ago
99.95 % uptime
Today
Uptime Operational
90 days ago
99.95 % uptime
Today
Response Time Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Feb 23, 2026

No incidents reported today.

Feb 22, 2026

No incidents reported.

Feb 21, 2026

No incidents reported.

Feb 20, 2026

No incidents reported.

Feb 19, 2026

No incidents reported.

Feb 18, 2026

No incidents reported.

Feb 17, 2026
Service Disruption: CDG SL1 : 'Service Unavailable' Error while accessing/working on the platform
Resolved - After careful monitoring, the issue has now been resolved.

The CSOD Technology Team identified a service disruption impacting the CDG SL1 swimlane, which was successfully restored as of 06:19 AM Pacific Time today.

A full Root Cause Analysis (RCA), including preventive measures, will be published on the Status Page within 7–10 business days. Thank you for your patience and understanding.
Feb 17, 09:39 PST
Monitoring - The issue has been identified and resolved, and services have now been restored to normal operations. We will continue to monitor this closely.
Feb 17, 06:35 PST
Update - We are continuing to investigate this issue.
Feb 17, 06:19 PST
Investigating - The CDG SL1 Swimlane is experiencing a service disruption. Users may witness the error: Service Unavailable HTTP Error 503. The service is unavailable.

This is our top priority and we are working to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
Feb 17, 06:17 PST
Feb 16, 2026

No incidents reported.

Feb 15, 2026
Schedule Infra Maintenance - US
Completed - The scheduled maintenance has been completed.
Feb 15, 00:40 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 14, 20:40 PST
Update - We will be undergoing scheduled maintenance during this time.
Feb 14, 20:38 PST
Scheduled - Please be advised that users may experience temporary service degradation, such as increased latency or brief portal unavailability, while we perform scheduled infrastructure maintenance. We appreciate your understanding and cooperation as we continue to enhance the Cornerstone Cloud Platform with best-in-class features and improved functionality.
Feb 14, 20:38 PST
Feb 14, 2026
Feb 13, 2026

No incidents reported.

Feb 12, 2026

No incidents reported.

Feb 11, 2026

No incidents reported.

Feb 10, 2026

No incidents reported.

Feb 9, 2026
Career Site Returning an Error (February 9th) - US SLs
Postmortem - Read details
Feb 20, 16:23 PST
Resolved - This incident has been resolved.
Feb 9, 09:01 PST
Monitoring - The errors have subsided, and no further issues have been observed. We will remain vigilant and continue monitoring.
Feb 9, 08:03 PST
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