Outage in IONOS Cloud

S3 outage and High error rate in Frankfurt

Resolved Major
December 21, 2025 - Started 23 days ago - Lasted about 10 hours
Official incident page

Incident Report

The S3 team is currently working on an issue impacting S3 in Frankfurt. Based on the last reports, we are seeing High error rates likely caused by communication issues. we will update regularly as the issue is investigated and resolved.

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Latest Updates ( sorted recent to last )
RESOLVED 23 days ago - at 12/22/2025 11:22AM

This incident has been resolved.

MONITORING 23 days ago - at 12/22/2025 04:29AM

The team is continuing to run repairs and monitor the situation. Some customers may notice some degraded service as things work themselves out and all systems return to normal. Customers may also notice that Backups and so on did not run overnight. As mentioned, the RCA will follow along with more information.

MONITORING 23 days ago - at 12/22/2025 03:18AM

We are continuing to monitor for any further issues.

MONITORING 23 days ago - at 12/22/2025 03:16AM

The issue has been resolved, and services should be returning to normal. The team is continuing to monitor the system recovery. We will publish the RCA as soon as the team has had a chance to review the records, and determine a cause

IDENTIFIED 23 days ago - at 12/22/2025 02:54AM

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

IDENTIFIED 23 days ago - at 12/22/2025 02:42AM

The team has identified the source of the issue and has begun troubleshooting and remediation

INVESTIGATING 23 days ago - at 12/22/2025 02:22AM

Early indications point to an internal network issue, impacting communication between Buckets. External traffic is not impacted, and we do not see other customer-facing resources affected either.

INVESTIGATING 23 days ago - at 12/22/2025 01:54AM

The S3 team is currently working on an issue impacting S3 in Frankfurt. Based on the last reports, we are seeing High error rates likely caused by communication issues. we will update regularly as the issue is investigated and resolved.

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