You can try this steps it may help..
Now on your Computers to setup your Fire wall.
Step 1. Click Start, click Run, type firewall.cpl, and then click OK.
Step 2. Click the Advanced Settings tab, click the Exceptions tab, and then click Add Port.
Step 3. In the Port Number dialog box, type 2725, and then click TCP.
Step 4. Type a name for the port, such as Analysis Services1, and then click OK.
Step 5. Click Add Port
Step 6. In the Port Number dialog box, type 2393, and then click TCP.
Step 7. Type a name for the port, such as Analysis Service2, and then click OK.
Step 8. Click Add Port
Step 9. In the Port Number dialog box, type 2394, and then click TCP.
Step 10.Type a name for the port, such as Analysis Services3, and then click OK.
Step 11. Click the Exceptions tab, and then click to select the check box that is next to each new service.
Step 12. Click OK
Step 13. On each one of your Computers add Ports HTTP Port is 80, Port 21 FTP server, DNS Port 53
Cheers, Yours Udin 