Connecting lan for Flash media server 4.0

Hello,

iam using Flash media server 4.0 and adobe flash prfessinal cs5.5 with actionscript 3.0 in windows 7 as my server OS and another Windows-7 pc for Clients the windows 7 -pcs are connected by LAN network connction my serverside files in

C:\Program Files\Adobe \Flash Media Server 4\applications

and client side files set in IIS server

C:\Inetpub\wwwroot\FMS4apps

my server ip address connection like this

rtmpGo = "rtmp://192.168.0.11/basicSO";

192.168.0.11 is server ip address 192.168.0.12 is client ip address

but client connection is not success Why?

my app is running perfectly in server-pc. connection is like this

rtmpGo = "rtmp:/basicSO";

please Help me immeadiatly...