Checkmk SaaS - Notice history

All systems operational

Admin Panel - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

Checkmk Sites hosted in the EU - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

Checkmk Sites hosted in the US - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

Notice history

View current status

May 2026

Email notifications are not being delivered
ResolvedDegraded performance39 minutes
  • ResolvedUTC
    This incident has been resolved.
  • InvestigatingUTC

    We are currently investigating an incident whereby email notifications from Checkmk are not being delivered. We are working with AWS to understand the root cause of this issue.

Apr 2026

No notices reported this month

Mar 2026

MAR13
Scheduled maintenance
CompletedMaintenance15 minutes
  • CompletedMarch 13, 2026 at 7:45 AMUTC
    Maintenance has completed successfully
  • In progressMarch 13, 2026 at 7:30 AMUTC
    Maintenance is now in progress
  • PlannedMarch 13, 2026 at 7:30 AMUTC

    We will be conducting scheduled system maintenance tomorrow, Mar 12, 2026, from 08:30 to 08:45 CET to enhance system performance, reliability, and security of Checkmk Cloud.

    Details:

    Maintenance Window: 15 minutes

    Expected Downtime for Client Sites: Minimal (less than 5 minutes)

    Impact: During the downtime you will not be able to reach your site, nor will the site be able to receive metrics/connections from Checkmk agents. We appreciate your understanding and cooperation as we work to improve your experience. Should you encounter any issues after the maintenance period, please contact our support team through the Support Portal.

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