Resolved after 2 hours 39 minutes, affecting Managed Kubernetes and Managed Kubernetes and 1 more, on December 18, 2025.
We have restored the affected control plane cluster. We are now restarting related API servers and then monitoring the system for any anomalies before marking the incident as resolved.
Affected components
Update timeline
- investigating Dec 18, 2025, 04:51 PM UTC
We are currently investigating degraded performance in our Kubernetes service.
- identified Dec 18, 2025, 05:03 PM UTC
We have traced the issue back to a specific control plane cluster. Customers using the affected control plane cluster will currently be unable to deploy changes. Our Kubernetes Team is working towards restoring the affected cluster.
- monitoring Dec 18, 2025, 05:20 PM UTC
We have restored the affected control plane cluster. We are now restarting related API servers and then monitoring the system for any anomalies before marking the incident as resolved.
- resolved Dec 18, 2025, 07:31 PM UTC
We are marking this incident as resolved. All services behave normally.
Your product runs on more than IONOS Cloud
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services