The list of hosts are any sources that are sending logs (or have sent logs in the past) to vRLI. These are usually hosts sending syslogs over as opposed to the list of Agents which have the vRLI agent installed. You cannot remove hosts from that list as even a deleted system that has sent one log to vRLI will be displayed. It's not intended as an editable resource but rather as a list of sources.
Ah ok that makes sense, as I couldn't figure out how to remove the ones I didn't want. Thanks.
I'm getting an SSL error .... Syslog client mysever.mydomain.com disconnected due to a SSL handshake problem. These errors are being generated by servers that are not managed in this vCenter so my plan was to remove them. But that won't be the answer to that now