DLNA not working - UDP port 1900 conflict - any tips?

Server Version#: 1.41.3.9314
Player Version#:
Have for a long time tried to get DLNA back working with no success. Now stumbled on this post: Resolve Port 1900 Conflict between Plex and Synology – Look, It's Another Blog

SO - found another pointer to the DLNA log: /var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Logs, file: Plex DLNA Server.log
AND -
ERROR - Unable to start UPNP server: -20412
ERROR - Please make sure port 1900 is not in use by another application on the system

…so might be that Plex is not the culpit…

‘netstat -a’ gives:
udp 0 0 0.0.0.0:1900 0.0.0.0:*
so port 1900 is in use…

‘lsof -1 udp:1900’ gives:
COMMAND node
PID 1614
USER root
… 18u, IPv4, 28285 0t0 UDP *:1900

finally ‘ps -Flww -p 1614’ gives
… /usr/StorMan/redfishServer/node /usr/Storman/redfishServer/MSCCRestfulServer.js’

OK. Storage Manager is tool for managing my Adaptec RAID setup - and this obviously uses Redfish web modules - which as far as i can see includes some option for remote management - depending on UDP port 1900 for discovery.
…SIC!

This post primarily to provide some hint for others having DLNA challenges - and -
secondarily: does anybody know how to disable this in Redfish…? It is a stand-alone home-server, and I do not need remote discovery…

I’m looking for ways to disable - but so far no luck.

…after intensive googling no answer, so decided to check the js file - and found code where UDP was assigned port 1900. Changed to 1914 - and restart.

Now Plex DLNA is back in action :slight_smile:

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