Minor incident

Cornerstone: Intermittent Latency & Issues Launching Training - US SL3 and US SL5

Affected: Uptime, Uptime, Response Time, Response Time, LMS, LMS

Current status of Cornerstone: Operational — live Cornerstone status

Timeline

1. Oct 21, 2026, 19:06 UTC
   investigating
   Some customers on US SL3 may experience intermittent latency and issues launching training. We are actively investigating the issue as a top priority and working to restore normal functionality as quickly as possible. We will continue to provide updates as more information becomes available.
2. Oct 21, 2026, 20:08 UTC
   monitoring
   Our Engineering teams have confirmed the issue has subsided. We have validated that the issue is no longer reproducible and we are monitoring for the next hour before considering the issue resolved.
3. Oct 21, 2026, 20:42 UTC
   investigating
   We've received reports that this issue has resurfaced and our Engineering teams are investigating further. We'll continue to share updates as new information becomes available.
4. Oct 21, 2026, 21:29 UTC
   monitoring
   Engineering has applied a fix and we have validated the issue is no longer reproducible. We will place this back in a monitoring status for at least one hour before considering the issue resolved.
5. Oct 21, 2026, 23:28 UTC
   resolved
   The CSOD Technology Team observed an issue with users launching training. The problem was intermittent between 11 AM Pacific Time and was resolved at 2 PM Pacific Time. During this time, users may have experienced issues accessing and launching training from their transcripts. Please contact Global Product Support if this issue is persisting.

Updates as published by Cornerstone (original).