So, after fresh install of IIS7 you are likely to notice that requests containing plus ('+') character are not accepted.
Open IIS Manager, go to Request Filtering page and open Edit feature settings... dialog.
That done, refresh the page in the browser and you'll have it handled correctly.
<?xml version="1.0" encoding="UTF-8"?> <configuration> <system.webServer> <security> <requestFiltering allowDoubleEscaping="true" /> </security> </system.webServer> </configuration>
Anton, Helicon Tech Team