OutageDB

Cornerstone outage history and status

Is Cornerstone down right now?

No
All Systems Operational Official status as of Oct 26, 2026, 16:17 UTC (refreshing…)
96.55%
uptime, 90 days
40
incidents, 90 days
1 h 25 min
median time to fix
Oct 21, 2026
last incident

Cornerstone components

JP SL1 (AWS)

UK SL2 (AWS)

UK SL3 (AWS)

US SL4 (AWS)

UK SL4 (AWS)

CDG SL4 (AWS)

US SL1 (AWS)

US SL5 (AWS)

FRA SL1 (AWS)

AU SL1 (AWS)

US SL3 (AWS)

US SL2 (AWS)

UK SL1 (AWS)

CDG SL1 (AWS)

Cornerstone outage history

Nov: no complete dataNovDec: no complete dataDecJan: no complete dataJanFeb: no complete dataFebMar: no complete dataMarApr: no complete dataAprMay: no complete dataMayJun: no complete dataJun Jul: 5 incidents, 397 min of major outage 5 Jul Aug: 12 incidents, 589 min of major outage 12 Aug Sep: 14 incidents, 2699 min of major outage 14 Sep Oct: 14 incidents, 1179 min of major outage 14 Oct
Cornerstone incidents per month, last 12 months. Red: months with a major or critical outage. Shaded: before our complete history.
Started (UTC)IncidentImpactDuration
Oct 21, 2026, 19:06 UTC Intermittent Latency & Issues Launching Training - US SL3 and US SL5
Uptime, Uptime, Response Time, Response Time, LMS, LMS
 Minor 4 h 22 min
Oct 20, 2026, 21:13 UTC FTP inaccessible across UK Production
Uptime, Uptime, Uptime, Edge Import / Edge Loads (Stuck/Erroring), Edge Import / Edge Loads (Stuck/Erroring), Edge Import / Edge Loads (Stuck/Erroring)
 Major 5 h 52 min
Oct 20, 2026, 16:18 UTC Minor Issue - DLW Feeds not processing US SL1 and USL5
Edge Import / Edge Loads (Stuck/Erroring), Edge Import / Edge Loads (Stuck/Erroring)
 Minor 27 h 48 min
Oct 19, 2026, 09:35 UTC Major Issue - System availability issues on EU (FRA) Production
Uptime
 Major 3 h 30 min
Oct 16, 2026, 19:41 UTC Learner Home Latency – EU SL1 (FRA) No impact —
Oct 16, 2026, 00:49 UTC Latency on JP PRD SL Portal
Response Time
 Minor 16 min
Oct 15, 2026, 20:52 UTC Minor Issue - DLW Feeds not processing US SL1 and USL5
Edge Import / Edge Loads (Stuck/Erroring), Edge Import / Edge Loads (Stuck/Erroring)
 Minor 1 h
Oct 14, 2026, 08:05 UTC EU (FRA) SL1 and FR (CDG) - Career Site not working
Career Site down, Career Site down
 Major 3 h 12 min
Oct 12, 2026, 07:43 UTC Reporting 2.0 – FRA (EU) SL1 - Unable to Create or Edit Reports Due to Unresponsive Report Builder
Reporting 2.0
 Major 1 h 30 min
Oct 8, 2026, 10:30 UTC Resolved: Issue while editing User records on US SL4 swim lane No impact <1 min
Oct 7, 2026, 09:25 UTC Latency on CDG SL Portals
Response Time, Response Time
 Minor 4 h 58 min
Oct 6, 2026, 13:13 UTC Latency on Reporting 2.0 - UK SL2 swimlane
Reporting 2.0
 Major 5 h 35 min
Oct 2, 2026, 14:34 UTC EU FRA SL1 Swimlane – System Latency
Response Time
 Minor 8 h 33 min
Oct 1, 2026, 13:47 UTC EU (FRA) Swimlane – Learner Home Latency
Response Time
 Minor 4 h 29 min
Sep 30, 2026, 16:07 UTC High Event queue count in US SL3
Response Time
 Major 32 min
Sep 29, 2026, 11:14 UTC Development Plans – Functional Issues and Errors in Production (All Swimlanes)
Response Time, Response Time, Response Time, Response Time, Response Time, Response Time
 Major 56 min
Sep 24, 2026, 13:30 UTC Issue with Core User Management functionality in US SL4 accounts No impact <1 min
Sep 24, 2026, 10:47 UTC Content Studio Service Disruption in EU and FR EXT Production Swimlanes
Response Time, Response Time
 Major 25 min
Sep 22, 2026, 12:20 UTC 504 timeout gateway error on Reporting 2.0 (US Swimlanes 1,2 and 5)
Response Time, Response Time, Response Time
 Major 1 h 21 min
Sep 21, 2026, 20:51 UTC Minor Issue - Queue Latency - UK SL1
Uptime, Response Time
 Minor 16 h 41 min
Sep 18, 2026, 11:37 UTC Edge Import and Feed Issue for UK/Met
Response Time, Response Time, Response Time, Response Time
 Major 58 min
Sep 14, 2026, 14:09 UTC Emails not processed on FRA SL1
Response Time
 Major 3 h 57 min
Sep 8, 2026, 14:03 UTC Career Site is not unavailable for FRA SL1
Response Time
 Major 27 h 32 min
Sep 4, 2026, 19:53 UTC Minor Issue - Functionality - Error accessing xAPI Statement Viewer across FRA, UK, and US Swimlanes
Response Time, Response Time, Response Time, Response Time, Response Time, Response Time
 Major 7 h 51 min
Sep 3, 2026, 11:52 UTC Major Issue: Career Site is not unavailable for FRA SL1
Response Time
 Major 4 h 20 min

50 incidents in our archive since June 16, 2026.

When and where Cornerstone fails

By weekday

Most incidents start on Mon.

  • Mon13
  • Tue10
  • Wed9
  • Thu11
  • Fri7
  • Sat0
  • Sun0

Most affected, last 12 months

  • Response Time31
  • Uptime18
  • Edge Import / Edge Loads (Stuck/Erroring)3
  • Reporting 2.02
  • Career Site down1
  • LMS1

When Cornerstone went down with others

Other education services

FAQ

Is Cornerstone down right now?
At our last check Cornerstone's official status page reported: All Systems Operational. This page refreshes the status every few minutes.
How often does Cornerstone go down?
Cornerstone reported 40 incidents in the last 90 days (22 major or critical), with 4,468 minutes of major outage: 96.55% uptime.
When was the last Cornerstone outage?
The latest reported incident started on Oct 21, 2026, 19:06 UTC: "Intermittent Latency & Issues Launching Training - US SL3 and US SL5", resolved after 4 h 22 min.
How long do Cornerstone outages last?
Half of Cornerstone's incidents in the last 90 days were resolved within 1 h 25 min.

Source: Cornerstone official status page · RSS of Cornerstone incidents · status badge for your site