TOPdesk incident

Canada hosting location unreachable

Resolved after 1 hour 56 minutes, affecting CA1 SaaS hosting location, on June 6, 2026.

postmortem Jun 12, 2026, 09:28 AM UTC

The Azure-managed load balancer unexpectedly removed two port rules due to an azure internal issue in the integration between Kubernetes and Azure’s load balancer management. This resulted in a temporary loss of connectivity for our services. Adding the rules by hand resolved the issue. We are currently investigating how to prevent similar future outages.

Started
Jun 06, 2026, 06:26 PM UTC
Resolved
Jun 06, 2026, 08:23 PM UTC
Duration
1h 56m
Detected by Pingoru
Jun 06, 2026, 06:26 PM UTC

Affected components

CA1 SaaS hosting location

Update timeline

  1. investigating Jun 06, 2026, 06:26 PM UTC

    TOPdesk environment unreachable for hosting location in Canada

  2. investigating Jun 06, 2026, 06:27 PM UTC

    We are continuing to investigate this issue.

  3. investigating Jun 06, 2026, 06:28 PM UTC

    We are currently investigation the cause of this outage. We will keep you updates every 30 minutes

  4. investigating Jun 06, 2026, 06:40 PM UTC

    We are continuing to investigate this issue.

  5. investigating Jun 06, 2026, 07:17 PM UTC

    We are continuing to investigate this issue.

  6. investigating Jun 06, 2026, 07:51 PM UTC

    We are continuing to investigate this issue.

  7. investigating Jun 06, 2026, 08:04 PM UTC

    We have identified an issue in the load balancer for the services cluster. We are working on resolving this issue.

  8. investigating Jun 06, 2026, 08:19 PM UTC

    All environments are accessible again. Root cause analysis will be published within a week.

  9. monitoring Jun 06, 2026, 08:23 PM UTC

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

  10. resolved Jun 06, 2026, 08:23 PM UTC

    This incident has been resolved.

  11. postmortem Jun 12, 2026, 09:28 AM UTC

    The Azure-managed load balancer unexpectedly removed two port rules due to an azure internal issue in the integration between Kubernetes and Azure’s load balancer management. This resulted in a temporary loss of connectivity for our services. Adding the rules by hand resolved the issue. We are currently investigating how to prevent similar future outages.

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