With a previous version of the VLC GUI on XP, the following was successfully used for streaming music :
Server
Media | Stream... | Add | browse to playlist(s) & select | Open | Stream | Next
Display list with down arrow | select RT/MPEG | Add
Address: 239.255.0.1
Base port: 5004
Stream name: Music
Stream | Active Transcoding: untick | Next | Stream
Client
Playlist | Local Network | Network streams (SAP)
A year or so after frequently using the above, VLC 3.0.4 was installed on server and client (still XP).
Now, the server seems to be streaming as before, but the client is not finding the SAP address.