@stephane-m-dev understood. My suggestion regarding the different behavior (does not work with disk share, does work with user share) on unraid would be to put this in a "tip" in the documentation section about setting up Remotes.
@djingo
My syslog stopped working (I think after one o the updates) and this bug still exists. If you trying removing it form the Pool or individual hosts in the Pool via XO it will not let you have it as blank. If you ssh in and use xsconsole you can remove the syslog server and but it will not let you specify a port. But once it has been removed from xsconsole you can go back into XO and add in the syslogserver along with a non-default port such as