Can't connect to own server

I'm currently hosting a server off a spare laptop. Ports 9987/10011/30033 are forwarded correctly and I can access the server via the client on that machine using localhost. The server is also accessible by tsviewer.com

The problem is that I can't access it on a different computer, same network, using either localhost or the public IP. I was able to do this before, but don't know where I've went wrong. Any suggestions? Below is the client log, the error is simply "Failed to connect to server"

Quote:

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1/5/2016 17:17:17 ClientUI Info Connect to server: localhost
1/5/2016 17:17:17 ClientUI Info Trying to resolve localhost
1/5/2016 17:17:17 TSDNS Info SRV DNS resolve unsuccessful for "_ts3._udp.localhost"
1/5/2016 17:17:17 TSDNS Info No SRV TSDNS found at "_tsdns._tcp.localhost"
1/5/2016 17:17:17 TSDNS Info DNS resolve successful, "localhost"=127.0.0.1
1/5/2016 17:17:18 ClientUI Info Lookup finished: 127.0.0.1 9987 localhost 0 0
1/5/2016 17:17:18 ClientUI Info Resolve successful: 127.0.0.1:9987
1/5/2016 17:17:18 ClientUI Info Blacklist check ok
1/5/2016 17:17:18 ClientUI Info Initiating connection: 127.0.0.1:9987 localhost
1/5/2016 17:17:18 ClientUI Info Connect status: Connecting
1/5/2016 17:17:23 ClientUI Info Connect status: Disconnected
1/5/2016 17:17:23 ClientUI Info Failed to connect to server, want autoreconnect = 0

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Can't connect to own server