Arista CloudVision incident

uk-1 region is currently unavailable

Critical Resolved View vendor source →

Arista CloudVision experienced a critical incident on October 20, 2026 affecting Core Platform and Network Provisioning - Studios and 1 more component, lasting 10h 32m. The incident has been resolved; the full update timeline is below.

Started
Oct 20, 2026, 06:21 AM UTC
Resolved
Oct 20, 2026, 04:53 PM UTC
Duration
10h 32m
Detected by Pingoru
Oct 20, 2026, 06:21 AM UTC

Affected components

Core PlatformNetwork Provisioning - StudiosEventsLoginNetwork Provisioning - Classic (Containers & Configlets)

Update timeline

  1. investigating Oct 20, 2026, 06:21 AM UTC

    We are currently investigating this issue.

  2. identified Oct 20, 2026, 06:47 AM UTC

    We are currently experiencing a sitewide outage due to underlying provider outages. Our team is actively working with the dependencies to resolve the issue.

  3. identified Oct 20, 2026, 07:57 AM UTC

    We are currently experiencing a sitewide outage due to underlying provider outages. Our team is actively working with the dependencies to resolve the issue.

  4. identified Oct 20, 2026, 08:57 AM UTC

    We are currently experiencing a sitewide outage due to underlying provider outages. Our team is actively working with the dependencies to resolve the issue.

  5. identified Oct 20, 2026, 09:52 AM UTC

    We are currently experiencing a sitewide outage due to underlying provider outages. Our team is actively working with the dependencies to resolve the issue.

  6. identified Oct 20, 2026, 10:56 AM UTC

    We are continuing to work on the recovery. Thank you for your patience.

  7. identified Oct 20, 2026, 11:55 AM UTC

    We are actively working on cluster restoration. Thank you for your patience.

  8. identified Oct 20, 2026, 12:47 PM UTC

    We are re-enabling device streaming back into the region.

  9. identified Oct 20, 2026, 12:55 PM UTC

    We have restored Login into the region.

  10. identified Oct 20, 2026, 12:58 PM UTC

    All functionality is restored but we are working on final stabilization activities.

  11. identified Oct 20, 2026, 01:32 PM UTC

    Events are fully operational.

  12. monitoring Oct 20, 2026, 01:49 PM UTC

    UK region is fully operational. We are going to continue monitoring. Once monitoring period is over, we will follow up with the official postmortem.

  13. resolved Oct 20, 2026, 04:53 PM UTC

    The incident has been resolved, we are still working on our postmortem analysis and will follow up with a detailed RCA soon.