@mwo Hi, I thought they are still compatible, maybe you can try to check if the switch has a valid IP? Can you ping through it? Maybe it will work again after you reset it.

@lilac Hi, you can set the IPsec LAN-LAN VPN between them, check this: How to configure LAN-to-LAN IPsec VPN on TP-Link Router

@WK666 Hello, have you tried to ping these IPC's IP addresses from NVR side? Try rebooting the IPCs to test.

@midlelens I have installed the vigi security manager with the latest version and working fine on my Win11 system. Did you see any errors when you try starting it? Have you tried uninstalling it and...

@iamSteve Hi, it's weird, what do you mean "Locking UP"? Is there a window showing you need to use an account to login the camera and check the live view?

@StephenNorbury Maybe it is an encryption method incompatible issue. Not all clients support WPA3.