SSDP: Error parsing device schema for http://192.168.1.16:49153/description2.xml

The SSDP messages in the logs are meaningless.

Not all SSDP-responding devices provide their reply in XML. Some use a hybrid form while others use JSON.

Those messages in the logs are:

  1. harmless
  2. can be ignored because PMS is overzealously reporting them just so you are informed (in case you’re wondering why PMS didn’t find your device).

My Off-Topic comment was in regard to the Plex Media SSDP (PMSSDP) Reflection/Amplification DDoS Attack Mitigation Recommendations link.

It has nothing to do with this thread.

The issue is resolved, published in PMS public version, and therefore moot.