That requires access to a private Hikvision support system that needs a valid user logon. Presumably you've tried Hikvision and the supplier. If the camera is running firmware older than 5.4.5 it should be possible to extract the configuration file without credentials.
They will send you a digital key which allows you to enter a new password. How to reset your password for DVR/NVR/IVMS. There are other ways to reset your password if you have –E/-K/-I series NVR from V3.4.90, and Turbo 3.0 DVR (DS-HG/HQ/HUHI-F series) from V3.4.80. With this method, clients are able to reset the device password on their own.DOWNLOAD EU PORTAL. www.hikvisioneurope.com. But sometimes a manual update doesn't also wipe the configuration, so you'd need to try the Hikvision tftp updater method, which does. You'd just watch it on the serial console, it does seem to probe for it : Code: |RCV UDP pack timeout| TFTP server not found.Replace ip_address with the IP address that the IP camera obtained through DHCP or, if the camera was unable to obtain this IP address, enter 192.168.0.100. The Login window appears. Step 2. Enter the default login credentials: Username: admin. Password: admin. The Initialization window appears. Step 3. Yes I did the security Q&A straight away. Puzzled that it will not connect on the NVR though. Tried ONVIF port 80, no go. Tried Hikvision plug and play with same password on the camera as on the NVR, no go. I am considering logging onto the camera via a browser and doing a factory reset, then connecting it to the NVR, but not sure what that