What is the issue?
Dahua camera changes the policy and mechanism on authentication.
VMS which uses ONVIF to connect the camera will be blocked on the authentication process.
What will you see?
You will see "unauthenticated" message at the viewing grid.
How to solve it?
There are two steps to check
- Make sure you have upgraded to the latest camera firmware.
- Upgrade you Nx Witness to 126.96.36.19987
How to upgrade
1. You can download the installation package here
2. Use the inClient Upgrade
For more detail to upgrade, please check the tutorial here.