I got a camera that use the rtsp protocol,It's functionnal with VLC but when i try to add it to the milestone recorder (universal) i can't get the stream.I 'm on essential + is that the problem ?Thank you

As this is not related to software development with the MIP SDK, which is the focus of this forum, please ask again in the support community, you should get better help from the partners using the support community.

https://supportcommunity.milestonesys.com

Try to use without certificate, or give certificate permissions (network services or the account used for services on setup)