Issue with anonymous access to dashboards

Hello,

I am configuring point no. 5 as per the below guide which is anonymous access to unified dashboards -

http://wiki.scn.sap.com/wiki/download/attachments/385778026/Unified%20Dashboard%20Configuration%20Guide_v1.3_v2.pdf?version=1&modificationDate=1411750478000&api=v2

The configuration is complete but it is giving pop for authentication in the browser.

Please advise.

Thanks & Regards

Nisha