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52.8%of 53 verified observed days had no reported provider issue
90-Day Trend
Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.
Monthly Status Summary
Month
Issue-free days
Days Tracked
Days with issues
September 2026
50%
28
14
This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.
Recorded Daily Status (Last 91 Days)
Jul 22Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
Incident History
October 2026
Minor Issue - DLW Feeds not processing US SL1 and USL5
Data Load Wizard feeds are experiencing issues processing on US SL1 and US SL5 Swimlanes. 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.
Major Issue - System availability issues on EU (FRA) Production
A fix for this issue was implemented, and the issue has been mitigated.
We are monitoring the swimlane performance before concluding this incident as resolved.
investigating
The swimlane is experiencing some latency issues. Clients with portals in this swimlane may experience delays or issues accessing certain pages in the application. 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.
The issue has been resolved. We are monitoring to ensure all services are back to normal.
investigating
The swimlane is experiencing some latency issues. Clients with portals in this swimlane may experience delays or issues accessing certain pages in the application. 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.
Minor Issue - DLW Feeds not processing US SL1 and USL5
Data Load Wizard feeds are experiencing issues processing on US SL1 and US SL5 Swimlanes. 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.
EU (FRA) SL1 and FR (CDG) - Career Site not working
A fix has been implemented and we are monitoring the results.
identified
Cornerstone engineers have found the cause for this issue and are currently working on a fix
investigating
Portals on FR (CDG) and EU (FRA) SL1 may experience issues accessing Career Sites.
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.
Reporting 2.0 – FRA (EU) SL1 - Unable to Create or Edit Reports Due to Unresponsive Report Builder
Users may experience an issue with Reporting 2.0 in the Production environment, where the report builder fails to load the available data fields, preventing users from creating new reports or modifying existing ones.
When users attempt to create a new report or edit an existing report, the report builder interface loads but does not display the available fields required to configure the report. As a result, users are unable to add or modify table columns, apply filters, or complete report configuration.
This issue was mitigated, and SL performance is back to normal.
We will continue to monitor before concluding that this incident is resolved.
identified
This issue is mitigated for CDG SL4. We continue to work on a fix for CDG SL1.
investigating
The swimlane is experiencing some latency issues. Clients with portals in this swimlane may experience delays or issues accessing certain pages in the application. 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.
Engineering has implemented an additional solution. Reporting functionality has returned to normal operations following the change. We will keep the status of this issue in Monitoring for a couple of hours to ensure there isn't a reoccurrence.
investigating
It appears the issue has resurfaced, and CSOD technical teams are working to resolve it with top priority. More information will be shared as it becomes available.
monitoring
We have implemented a fix, and the latency has been resolved. We are closely monitoring the environment to ensure performance remains stable and the issue does not recur.
investigating
The UK SL2 swim lane is experiencing latency issues around Reporting 2.0. Clients with portals in this swim lane may experience delays or issues accessing Analytics reports in the application. 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.
We have implemented a fix, and the latency has been resolved. We are closely monitoring the environment to ensure performance remains stable and the issue does not recur.
investigating
We are continuing to actively investigate the latency issue and are treating this as a top priority. Our teams remain engaged and are working to identify the cause and restore normal performance as quickly as possible. We will continue to provide regular updates as our investigation progresses.
investigating
Clients with portals hosted in this swimlane may experience slower response times when accessing certain areas of the application. We are currently investigating the issue.
The latency issue with the EU (FRA) swimlane has been resolved. The Learner Home and other pages within the application should now be accessible. We are currently monitoring the environments to ensure continued stability.
investigating
We are continuing to investigate this issue. Thank you for your continued patience.
investigating
The EU (FRA) swimlane is currently experiencing latency issues affecting Learner Home. Clients with portals hosted in this swimlane may experience delays when accessing Learner Home and certain pages within the application.
This issue is our top priority, and our Engineering teams are actively working to identify the root cause and restore normal performance as soon as possible.
We will continue to monitor the situation and provide additional updates as they become available. Please check back periodically for the latest information.
Legacy Incident Archive
32 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
August 2026
Latency on US SL5
majorSource not attested
Last archived state: resolved
View archived record details
Response Time
investigating
The US SL5 swim lane is experiencing some latency issues. Clients with portals in this swimlane may experience delays or issues accessing certain pages in the application. 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.
Edge Import issues in UK swimlane
majorSource not attested
Last archived state: resolved
View archived record details
Response TimeResponse TimeResponse TimeResponse Time
investigating
The UK Swimlane is experiencing issues while accessing the Edge Imports and Feeds. Clients may experience delays or issues while accessing the Edge imports. 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.
vILT Integrations Error in UK PRD & PIL
majorSource not attested
Last archived state: resolved
View archived record details
Response TimeResponse TimeResponse TimeResponse Time
identified
Error when creating vILT session (Microsoft Teams VILT Integration): "Error while creating Schedule: Exception of type 'System.ArgumentException' was thrown."
Cause has been found and we are working on the fix.
Major Issue - Career Site is not accessible for FRA SL1 swimlane
majorSource not attested
Last archived state: resolved
View archived record details
Response Time
investigating
FRA SL1 swim lane is experiencing issues with the Career Site. Clients may experience delays or issues accessing the Career Site. 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.
Unable to login to the portal via Multi Factor Authentication (MFA)
criticalSource not attested
Last archived state: resolved
View archived record details
UptimeUptimeUptimeUptime
monitoring
Our Engineering Team has confirmed that the issue has been fixed following the restoration of the MFA service. We will continue to monitor the service for a period of time to ensure stability and reliability.
investigating
User accounts configured with Local Authentication and Multi-Factor Authentication (MFA) are currently unable to log in to the Production portal.
After users enter valid credentials and submit the login request, a blank error modal is displayed and the MFA challenge is not initiated. The issue occurs across multiple browsers, including InPrivate/Incognito sessions.
That said, end users with the ability to login via SSO, can login successfully.
Our Engineering Team is actively looking into ...
Issue with Core User Management functionality in US SL4 accounts
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
UPDATE: The issue seems to be impacting the Core User Management functionality (Example: unable to view or edit user records, View Universal profile, API services related to User record management)
Our Engineering Team has confirmed the issue to be resolved. We will continue to closely monitor the situation to check its reliability.
investigating
Admins are currently unable to edit user records in the Production environment. When attempting to open a user record for editing through Admin > Tools > Core Functions > Users, the request fails and an error message is displayed ("An error occurred while processing your request").
The issue has been observed across multiple US SL4 (AWS) portals.
Our Engineering Team is actively looking into this concern. We will keep you posted on any significant updates.
RESURFACED: Career site not accessible for EU Swimlanes
Source not attested
Last archived state: resolved
View archived record details
monitoring
The Career Sites should now be accessible. Our Engineering team investigated promptly and has implemented the necessary corrective measures.
We will continue to closely monitor the environment to ensure the issue remains resolved and the career sites remains stable.
investigating
Swimlanes in EU are experiencing issues with the Career Site. Some Clients may experience delays or issues accessing the Career Site. The issue reported earlier today(https://status.csod.com/incidents/m5ppwktbx4rt) has resurfaced.
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.
Major Issue - Service specific
majorSource not attested
Last archived state: resolved
View archived record details
investigating
FRA SL1 swim lane is experiencing issues with the Career Site. Clients may experience delays or issues accessing the Career Site. 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.
July 2026
Minor Issue - Edge Import is not loading - US SL4
minorSource not attested
Last archived state: resolved
View archived record details
investigating
This swimlane is experiencing functional issues accessing Edge Import. Clients with portals in this swimlane are unable to access or use the import. 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.
Service Disruption
criticalSource not attested
Last archived state: resolved
View archived record details
monitoring
The fix has been successfully deployed to all the environments (Production and lower environments).
We will continue to closely monitor the environments to ensure the solution remains stable and no further issues are observed.
monitoring
The fix has been successfully deployed to all Production instances across all regions.
We are currently working on deploying the fix to the lower environments. In the meantime, we will continue to closely monitor the Production environments to ensure the solution remains stable and no further issues are observed.
investigating
Some customers in UK, France and Japan swimlanes are experiencing issues while logging into the system. 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.
