Checkmk SaaS - Notice history

All systems operational

Admin Panel - Operational

100% - uptime
Nov 2025 · 100.0%Dec · 100.0%Jan 2026 · 100.0%

Previous page

Next page

Nov 2025
Dec 2025
Jan 2026

Checkmk Sites hosted in the EU - Operational

100% - uptime
Nov 2025 · 99.90%Dec · 100.0%Jan 2026 · 100.0%

Previous page

Next page

Nov 2025
Dec 2025
Jan 2026

Checkmk Sites hosted in the US - Operational

100% - uptime
Nov 2025 · 99.90%Dec · 100.0%Jan 2026 · 100.0%

Previous page

Next page

Nov 2025
Dec 2025
Jan 2026

Notice history

Jan 2026

Client Site Node Upgrades
  • Completed
    January 19, 2026 at 6:30 AM
    Completed
    January 19, 2026 at 6:30 AM
    Maintenance has completed successfully
  • In progress
    January 19, 2026 at 6:00 AM
    In progress
    January 19, 2026 at 6:00 AM
    Maintenance is now in progress
  • Planned
    January 19, 2026 at 6:00 AM
    Planned
    January 19, 2026 at 6:00 AM

    We are upgrading the infrastructure nodes for all Checkmk Sites to ensure optimal monitoring performance.

    • Expected Downtime: Max 10 minutes per site.

    • Action Required: None. However, please note that site access will not be possible.

Dec 2025

License activation is temporarily impaired
  • Resolved
    Resolved
    This incident has been resolved.
  • Identified
    Identified

    We have identified the internal component that is the root cause of the issue.

    We are continuing to work on a fix for this incident.

  • Investigating
    Investigating

    New licenses cannot be activate at the moment.

    Existing licensed sites work as intended, users might encounter errors when visiting the licensing page.

    We are continuing to work on a fix for this incident.

Scheduled system maintenance to enhance system performance, reliability, and security of Checkmk Cloud
  • Completed
    December 01, 2025 at 8:29 AM
    Completed
    December 01, 2025 at 8:29 AM
    Maintenance has completed successfully.
  • In progress
    December 01, 2025 at 6:00 AM
    In progress
    December 01, 2025 at 6:00 AM
    Maintenance is now in progress
  • Planned
    December 01, 2025 at 6:00 AM
    Planned
    December 01, 2025 at 6:00 AM

    Maintenance Window: 4 hours
    Expected Downtime for Client Sites: Minimal (less than 20 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 during or after the maintenance period, please contact our support team through the Support Portal.

Nov 2025

We are investigating authentication issues with Checkmk SaaS Sites
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    We implemented a fix and are currently monitoring the result.
  • Investigating
    Investigating
    We are currently investigating this incident.

Nov 2025 to Jan 2026

Next