I have 2 computers running just fine
here is how I have mine set up
(first computer)
the first computer has the log server,authorization server,petition server,and cached server along with the MSSQL server
(Second computer)
My second computer has the l2 server,l2npc server, and is running the client as well
what you need to do is make sure you are pointing to the right ip address
(ex) if your log, authorization,petition,and cached server are on 192.168.10.5 then make sure you have your ini files set to this.
so make sure your pointing back to your cached,petition,authorization,and log servers ip from your second machine and it should connect.
(ex)l2npc.ini
[LogD]
address="192.168.10.5"
port=3999
[CacheD]
address="192.168.10.5"
port=2008
[server]
address="192.168.10.6" this would be whatever your second computer ip is
port=2002
[map]
directory="map"
[World]
WorldId=1
port=2005
[db]
address="192.168.10.5" this is where your MSSQL servers ip is
port=2005
user="**"
password="********"
(ex) l2server.ini
[LogD]
address="192.168.10.5"
port=3999
[CacheD]
address="192.168.10.5"
port=2006
[AuthD]
address="192.168.10.5"
port=2104
[petitionD]
address="192.168.10.5"
port=2107
worldname="Lineage2"
hope this helps you..........