Check that you are using the latest AXIS OS/firmware version, or the latest LTS, including service releases that might contain the fix of your problem.
- You'll find the firmware version used in your product in the product’s web interface, under Help > About.
- See official firmware releases for all Axis products
- Check the firmware release notes for the product you are using to make sure that the problem you experience is not a known problem.
You can check if recent updates in the firmware can be the source of your problem. Check the AXIS OS Portal, under "Release notes", "Release archive", and especially under "Developer information".