Cornerstone Outage History

Cornerstone degraded · 1 active incident View live status →

Cornerstone had 75 outages in the last 2 years totaling 206h 8m of downtime — averaging 3.1 incidents per month.

There were 75 Cornerstone outages since October 2, 2025 totaling 206h 8m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.csod.com

Major September 18, 2026

Edge Import and Feed Issue for UK/Met

Detected by Pingoru
Sep 18, 2026, 11:37 AM UTC
Resolved
Sep 18, 2026, 12:34 PM UTC
Duration
57m
Affected: Response TimeResponse TimeResponse TimeResponse Time
Timeline · 4 updates
  1. investigating Sep 18, 2026, 11:37 AM UTC

    Engineering team is analyzing the root cause of the Imports and Feeds incident.

  2. identified Sep 18, 2026, 11:41 AM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Sep 18, 2026, 12:03 PM UTC

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

  4. resolved Sep 18, 2026, 12:34 PM UTC

    This incident has been resolved.

Read the full incident report →

Major September 14, 2026

Emails not processed on FRA SL1

Detected by Pingoru
Sep 14, 2026, 02:09 PM UTC
Resolved
Sep 14, 2026, 06:06 PM UTC
Duration
3h 56m
Affected: Response Time
Timeline · 3 updates
  1. identified Sep 14, 2026, 02:09 PM UTC

    The issue has been identified and engineering is working on restoring the service.

  2. monitoring Sep 14, 2026, 03:58 PM UTC

    A fix has been implemented, and the queues are no longer stuck. However, it will take some time to clear the backlog. We are continuing to monitor the queue.

  3. resolved Sep 14, 2026, 06:06 PM UTC

    This incident has been resolved.

Read the full incident report →

Major September 4, 2026

Minor Issue - Functionality - Error accessing xAPI Statement Viewer across FRA, UK, and US Swimlanes

Detected by Pingoru
Sep 04, 2026, 07:53 PM UTC
Resolved
Sep 05, 2026, 03:44 AM UTC
Duration
7h 50m
Affected: Response TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse Time
Timeline · 6 updates
  1. investigating Sep 04, 2026, 07:53 PM UTC

    This swimlane is experiencing some functional issues accessing the xAPI Statement viewer and may have issues with xAPI statement processing. Clients with portals in this swimlane may experience delays or issues executing some tasks. 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.

  2. investigating Sep 04, 2026, 09:48 PM UTC

    We are continuing to investigate this issue and will share an update at least every 2 hours or until we have more.

  3. identified Sep 04, 2026, 11:02 PM UTC

    Cornerstone Engineering has identified the issue and is currently working on a fix. We will update once the issue is Resolved.

  4. identified Sep 05, 2026, 01:06 AM UTC

    We are still working on a fix and will confirm once it has been successfully deployed. This remains a top priority for our teams and we will continue sharing updates as they become available or at least every 2 hours.

  5. monitoring Sep 05, 2026, 01:50 AM UTC

    A fix has been deployed and we are seeing no errors. We will monitor for 1 hour before placing this in a Resolved status.

  6. resolved Sep 05, 2026, 03:44 AM UTC

    After a period of monitoring with no repeat occurrences we are marking this incident Resolved. A formal Root Cause Analysis will be available 7-10 business days from Resolution.

Read the full incident report →

Minor July 21, 2026

All Queued Events Stuck and Delayed across all Production Swimlanes

Detected by Pingoru
Jul 21, 2026, 06:13 PM UTC
Resolved
Jul 21, 2026, 11:09 PM UTC
Duration
4h 55m
Affected: UptimeUptimeUptimeResponse TimeUptimeUptimeUptimeUptimeUptimeUptimeUptimeUptimeUptimeUptimeResponse TimeResponse TimeResponse TimeResponse TimeUptimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse Time
Timeline · 6 updates

Read the full incident report →

Minor July 7, 2026

All Queued Events Stuck and Delayed

Detected by Pingoru
Jul 07, 2026, 06:33 PM UTC
Resolved
Jul 07, 2026, 11:04 PM UTC
Duration
4h 31m
Affected: UptimeUptimeUptimeResponse TimeUptimeUptimeUptimeUptimeUptimeUptimeUptimeUptimeUptimeUptimeResponse TimeResponse TimeResponse TimeResponse TimeUptimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse TimeResponse Time
Timeline · 5 updates

Read the full incident report →