I installed it and it works perfectly. I havnt updated the nvr though and everyone else who stepped back the nvr update got rid if the green screen issue
https://www.use-ip.co.uk/forum/threads/ds-7608ni-i2-nvr-no-more-connections-allowed-issue.7435/
iissue
Sorry having isswi the website this morning. ues
Check the configuration settings. 8.8.8.8 and 8.8.4.4 are in. Also you need to check that hikconect set up on the nvr has the correct address in.
https://www.use-ip.co.uk/forum/threads/ds-7608ni-i2-nvr-no-more-connections-allowed-issue.7435/...