We are trying to do the QV tunneling in "QlikView SR7 / IIS 7.5".
QV Tunnel Exe is installed in path at "C:\Program Files\QlikView\Server"
We have done the below steps
1) open the Internet Information Services Manager, select the IIS top node. Open the ISAPI and CGI Restrictions dialog. Choose Add in the Actions pane and browse to the location of QVSTunnel.dll. Give the instance a description and make sure to check Allow extension path to Execute.
2) open the site that should host the QlikView Server/Publisher pages and click on Scripts, then open the Handler Mappings dialog. Locate the ISAPI-dll and choose Edit Features Permission in the Actions pane. Check Execute in the dialog that opens