Incident History for Class
A complete log of all past incidents, outages, and scheduled maintenance.
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applies to the 15 loadedClass Collaborate unaffected by critical PHP vulnerabilities
Resolved
Affected Components
Resolved
on Oct 26, 2026
Class Collaborate is not affected by critical PHP vulnerabilities CVE-2026-109618 and CVE-2026-109619 because it does not use PHP; no action needed.
Critical PHP vulnerabilities patched in Class for Zoom and Teams
Resolved
Affected Components
Resolved
on Oct 26, 2026
Class for Zoom and Class for Teams were patched against two critical PHP vulnerabilities with no impact on service availability.
Collaborate EU single session server error resolved
Resolved
Affected Components
Resolved
on Oct 21, 2026
A small subset of Collaborate EU users briefly experienced A00 errors joining sessions on one server; the incident is now resolved.
Collaborate (Canada) maintenance in progress
Completed
Affected Components
Completed
on Oct 8, 2026
Scheduled maintenance for Collaborate (Canada) has been completed.
Under Maintenance
on Oct 8, 2026
Scheduled maintenance for Collaborate (Canada) is currently in progress; updates will follow as necessary.
Collaborate (US) maintenance in progress
Completed
Affected Components
Completed
on Oct 8, 2026
Scheduled maintenance for Collaborate (US) has been completed.
Under Maintenance
on Oct 8, 2026
Scheduled maintenance for Collaborate (US) is currently in progress; updates will follow as necessary.
Scheduled For
Oct 8, 2026, 6:00 AM UTC
Scheduled
on Oct 8, 2026
Scheduled maintenance for Collaborate (Canada) begins in 60 minutes.
Scheduled For
Oct 8, 2026, 6:00 AM UTC
Scheduled
on Oct 8, 2026
Scheduled maintenance for Collaborate (US) begins in 60 minutes.
Scheduled For
Oct 8, 2026, 6:00 AM UTC
Collaborate EU maintenance starting soon
Completed
Affected Components
Completed
on Oct 8, 2026
Scheduled maintenance for Collaborate (Europe) has been completed.
Under Maintenance
on Oct 7, 2026
Scheduled maintenance for Collaborate (Europe) is now in progress.
Scheduled
on Oct 7, 2026
Scheduled maintenance for Collaborate (Europe) begins in 60 minutes.
Scheduled For
Oct 7, 2026, 11:00 PM UTC
Collaborate Asia Pacific maintenance starting soon
Completed
Affected Components
Completed
on Oct 7, 2026
Scheduled maintenance for Collaborate (Asia Pacific) has been completed.
Under Maintenance
on Oct 7, 2026
Scheduled maintenance for Collaborate (Asia Pacific) is now in progress.
Scheduled
on Oct 7, 2026
Scheduled maintenance for Collaborate (Asia Pacific) begins in 60 minutes.
Scheduled For
Oct 7, 2026, 3:00 PM UTC
Collaborate EU single session server taken out of service
Resolved
Affected Components
Resolved
on Oct 3, 2026
A small subset of Collaborate users briefly experienced A00 errors joining sessions on one EU session server; the incident is resolved.
Collaborate US maintenance for v26.18 release
Scheduled
Affected Components
Scheduled
on Sep 29, 2026
Scheduled maintenance for Collaborate US on October 8, 2026, from 2:00 AM to 6:00 AM EDT, causing intermittent availability.
Scheduled For
Oct 8, 2026, 6:00 AM UTC to Oct 8, 2026, 10:00 AM UTC
Scheduled
on Sep 29, 2026
Scheduled maintenance for Collaborate Canada on October 8, 2026, from 2:00 AM to 6:00 AM EDT, causing intermittent availability.
Scheduled For
Oct 8, 2026, 6:00 AM UTC to Oct 8, 2026, 10:00 AM UTC
Collaborate Europe maintenance for v26.18 release
Scheduled
Affected Components
Scheduled
on Sep 29, 2026
Scheduled maintenance for Collaborate Europe on October 8, 2026, from 12:00 AM to 4:00 AM IST, causing intermittent availability.
Scheduled For
Oct 7, 2026, 11:00 PM UTC to Oct 8, 2026, 3:00 AM UTC
Collaborate Asia Pacific maintenance for v28.18 release
Scheduled
Affected Components
Scheduled
on Sep 29, 2026
Scheduled maintenance for Collaborate Asia Pacific on October 8, 2026, from 1:00 AM to 5:00 AM AEST, causing intermittent availability.
Scheduled For
Oct 7, 2026, 3:00 PM UTC to Oct 7, 2026, 7:00 PM UTC
Collaborate EU session server issue resolved
Resolved
Affected Components
Resolved
on Sep 13, 2026
A single EU session server caused temporary A00 errors for some Collaborate users; the incident is now resolved.
Collaborate (US) maintenance completed
Completed
Affected Components
Completed
on Sep 10, 2026
Scheduled maintenance for Collaborate (US) has been completed.
Collaborate (Canada) maintenance completed
Completed
Affected Components
Completed
on Sep 10, 2026
Scheduled maintenance for Collaborate (Canada) has been completed.
Under Maintenance
on Sep 10, 2026
Scheduled maintenance for Collaborate (US) is currently in progress; updates will follow as necessary.
Under Maintenance
on Sep 10, 2026
Scheduled maintenance for Collaborate (Canada) is now in progress.
Scheduled For
Sep 10, 2026, 6:00 AM UTC
Scheduled
on Sep 10, 2026
Scheduled maintenance for Collaborate (Canada) will begin as planned in 60 minutes.
Scheduled For
Sep 10, 2026, 6:00 AM UTC
... and 1 more update(s). Click to view the full timeline.
Collaborate (EU) Maintenance
Completed
Affected Components
Completed
on Sep 10, 2026
Scheduled maintenance for Collaborate (Europe) has been completed.
Monitoring
on Sep 9, 2026
Scheduled maintenance for Collaborate (Europe) is currently in progress.
Scheduled
on Sep 9, 2026
Maintenance for Collaborate (Europe) will begin as scheduled in 60 minutes.
Scheduled For
Sep 9, 2026, 11:00 PM UTC