IONOS Cloud incident

Managed Kubernetes - Partial Connectivity Degradation to Control Planes

IONOS Cloud experienced a major incident on May 5, 2026 affecting Managed Kubernetes, lasting 13h 51m. The incident has been resolved; the full update timeline is below.

Started: May 05, 2026, 04:06 PM UTC
Resolved: May 06, 2026, 05:58 AM UTC
Duration: 13h 51m
Detected by Pingoru: May 05, 2026, 04:06 PM UTC

Affected components

Managed Kubernetes

Update timeline

investigating May 05, 2026, 04:06 PM UTC

We currently face outages of a high number of K8s control planes, mainly in Frankfurt. This could impact K8s workload changes for several customers. Our Teams are working on a fix.
monitoring May 05, 2026, 05:06 PM UTC

The team identified the issue and applied a fix, control planes are back now. We keep monitoring the situation.
resolved May 06, 2026, 05:58 AM UTC

The incident is over, all K8s control planes were back and operational yesterday. No further issues occurred.