Current PollEx version cannot support Window7 as server but can do as client. Thus customer can use PollEx suite as client after installation.
At Windows XP, once user set server IP after installation, PollEx didn't ask license server IP again. But at Window 7 system, PollEx will ask license server IP repeatly at launching time. To overcome this problem, set the sytem environment as below.

Step 1.
"Control Panel > System and Security > System" - "Advanced system setting" .

Step 2.
"Advanced" - "Environment Variables" .

Step 3.
Input License server's IP address for "POLLEX_LICENSE_FILE" item.