Increased Memory Usage in Kerio Control 9.6.1

Incident Report for GFI Software

Monitoring

- A fix has been implemented by our Development team and is available for download here - https://drive.google.com/drive/folders/1cOe9UtkliJ4gbkaoWljzrRf3JlwlvTfS
- You can apply this fix using steps from the 'Upgrading Kerio Control' Knowledge Base article - https://support.keriocontrol.gfi.com/article/116539-upgrading-kerio-control
- We will monitor this.

Posted Apr 29, 2026 - 04:25 UTC

Update

The Engineering team continues to analyze the behavior and evaluate possible mitigation options. We do not have a confirmed fix or ETA yet, but the case remains under active review.

We will continue investigating and will share any relevant updates as soon as more information becomes available.

Posted Apr 28, 2026 - 06:54 UTC

Update

We are still investigating the issue observed in Kerio Control 9.6.1 build 9227, where memory usage may gradually increase over time and potentially impact performance.

At this time, our Engineering team continues to analyze the behavior and evaluate possible mitigation options. We do not have a confirmed fix or ETA yet, but the case remains under active review.

We will continue investigating and will share any relevant updates as soon as more information becomes available.

Posted Apr 27, 2026 - 23:43 UTC

Investigating

We are investigating an issue in Kerio Control 9.6.1 build 9227 causing increasing memory usage and potential performance degradation.

Our Engineering team is actively analyzing the issue and working on a mitigation.

Posted Apr 27, 2026 - 10:50 UTC

This incident affects: GFI KerioControl.