Can we give more details? What error are you seeing?
What OS is the server on?
What version of Jellyfin server?
What client are you using?
What OS is the client on?
Are you having trouble connecting on the same LAN or remotely?
Jellyfin 10.9.11
Ubuntu 24.04 LTS (bare metal)
Intel i3 12100 on Asus Prime H610M-E D4 mATX
32GB DDR4-3600
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
WD Green 3TB (Samba shares)
WD Red 3TB CMR (WIP Media, Test libraries)
3x WD Red Pro 6TB CMR in RAIDZ1 (JF Library)
Fractal Meshify 2
Corsair CX430