NVR – Warum ist das Zertifikat verloren gegangen? Wie importiere ich das Zertifikat erneut auf das Gerät? - EN

Why the certificate lost? & How to import the Certificate again to Device?

Sometimes Customer will lose the Certificate when they would like to open liveview in Website of NVR, it shows please download the certificate. but doesn't know how to import. 

This reason is caused by too long time use of the Recorder or after update/adjustments of the devices, Certificate lost in device's flash. Below listed the steps for solving  this issue:

Then import the Certificate you downloaded, after that restart the device, it will work again!