How to Hikvision DVR Remote View Problem Solved Error Registration Failed -41
When fixing the Hikvision DDNS for remote access to your camera system, you'll encounter the error “Communication to Server Failed”. This error is generated by the DNS settings (note: DNS, but not DDNS) in your NVR/Camera configuration. This guide will offer you the step-by-step instructions to resolve this error and save your DDNS settings successfully.
Connect the NVR to the web via a network cable.
Connect a mouse and a monitor to the NVR.
Log into the menu and choose the configuration option
Click on Network then General tab
In the Preferred DNS field enter 184.108.40.206 and within the alternative DNS field enter 220.127.116.11 and click on apply. These are Google’s DNS servers.
You may got to restart the NVR for the above settings to use successfully.
Click the DDNS tab
Once applied you ought to now be ready to save the DDNS settings successfully with none errors.