A request time out can occur when the transaction does not complete within the allotted amount of time.
Increase the length of time It take a page to time out To set the execution timeout, edit the Web.config settings:
1. Browse to the NetCommunity web.config file in Windows Explorer on the Web server 2. Right-click on the file and remove the Read-only property 3. Open web.config using Notepad 4. Search for <httpRuntime maxRequestLength="12288" /> 5. Change the following line: