This is one of those things, which usually comes up during new installs. To access the Infosphere information analyzer thin client there are two approaches. First, is via the Infosphere launchpad page and, the second is to go directly to the information analyzer page. Both URLs are provided in below.
InfoSphere LaunchPad URL
https:// <<Host_Server>> : 9443/ibm/iis/launchpad/
Information Analyzer URL
https:// <<Host_Server>> : 9443/ibm/iis/dq/da/login.jsp