IONOS Cloud incident
Partial Connectivity Degradation to Control Plane Affecting Kubernetes Operations
IONOS Cloud experienced a minor incident on September 29, 2026 affecting Managed Kubernetes and Managed Kubernetes and 1 more component, lasting 6h 20m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Sep 29, 2026, 07:48 AM UTC
Customers may experience connection problems to the control plane and degraded functionality of kubernetes
- identified Sep 29, 2026, 09:42 AM UTC
Our engineering team has identified the root cause of the Kubernetes service degradation and is actively working to restore full functionality. Customer workloads in affected locations may be experiencing disruptions, including unavailability of running services. Cluster management operations -- deploying, scaling, and accessing the Kubernetes API -- are also impacted. We will provide another update within 60 minutes.
- identified Sep 29, 2026, 09:47 AM UTC
Our engineering team has identified the root cause of the Kubernetes service degradation and is actively working to restore full functionality. Customer workloads in affected locations may be experiencing disruptions, including unavailability of running services. Cluster management operations -- deploying, scaling, and accessing the Kubernetes API -- are also impacted. We will provide another update within 30 minutes.
- monitoring Sep 29, 2026, 11:07 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Sep 29, 2026, 02:09 PM UTC
This incident has been resolved.