'Plastic Client unable to see Plastic Server

Morning,

I am in the process of moving our plastic server to a new machine. All going well so far, users, configs good, databases still transferring (will take a while).

However, I've tripped at a basic hurdle. Clients on our network are unable to see the server and it appears to be linked to good ol' windows firewall - as on disabling windows firewall on the server the client is then able to see the server.

Info:

  • Server OS: Windows Server 2019 Standard v. 1809

  • Client OS: Windows 10 Pro, Windows 11 Pro

  • Port used: 8087

  • Old server has been disconnected from the network

Troubleshooting so far

  • Using Telnet in command line on client computer confirms the port is open on the server's IP
  • Firewall rule created opening TCP 8087 over Domain, Private, Public - inbound and outbound
  • Tried reverting to the default port 8084

Any help much appreciated



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