Major incident

GFI Software: Increased Memory Usage in Kerio Control 9.6.1

Affected: GFI KerioControl

Current status of GFI Software: Operational — live GFI Software status

Timeline

1. Apr 27, 2026, 10:50 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.
2. Apr 27, 2026, 23:43 UTC
   investigating
   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.
3. Apr 28, 2026, 06:54 UTC
   investigating
   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.
4. Apr 29, 2026, 04:25 UTC
   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.
5. Apr 30, 2026, 03:21 UTC
   monitoring
   No issues have been reported. We are continuing to monitor.
6. May 1, 2026, 04:02 UTC
   monitoring
   We're keeping a close eye on things. No issues related to the increasing memory reported.
7. May 2, 2026, 05:12 UTC
   monitoring
   No new issues reported since the fix has been made available. We will continue to monitor.
8. May 3, 2026, 04:30 UTC
   monitoring
   We have seen no further issues since the fix. If you observe any further issues we encourage you to reach out with logs.
9. May 3, 2026, 10:45 UTC
   monitoring
   Things continue to work as expected after the fix being applied. We are continuing to monitor.
10. May 5, 2026, 00:29 UTC
    resolved
    This incident has been resolved. If you still face issues, please contact our support team at: https://support.keriocontrol.gfi.com

Updates as published by GFI Software (original).