Certificate can't load

Plex Media Server Remote Access
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1

Hello, I’m trying to setup costume certificate on my Plex server which is running on windows server 2019 (latest update). The certificate can’t even load, there is only the predefined plex cert. I have placed my costume certificate in c:\wacs. NO password used for the cert. Server was restarted after saving the changes in settings. I also tried reseting browser history from “all the time”. Domain is payd and has PTR and A records checked.

For generating certificate I’ve used win-acme v2.2.8.1635.
I tried rsa and elliptic curve privete key.
NO password used
genereted to pfx format

X509 Certificate:
Version: 3
Hash Algorithm: 4 (SHA256)
Signature Algorithm: 3 (ECDSA)
Public Key Length: 384 bits

I have included the settings of the win-acme and the cert details for inspection in atachment zip file.

cert_info.zip (15.0 KB)

I would like to know if there are any issues with specific length or algorithm used for generating the cert for Plex.

Server Version#: 4.125.1
Player Version#:
<If providing server logs please do NOT turn on verbose logging, only debug logging should be enabled>

2

Self-signed certificates are useless.
You need a commonly trusted certificate, like those from e.g. Let’sEncrypt (which is also what Plex uses out of the box)

https://support.plex.tv/articles/200430283-network/

4

So I finally found out what was the problem. The signature hash is sha 256 which is not supported. Chaged it to sha 1 and it works.

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