Hi Uday,
here EP 7.3 logon page custmization using the this war file tc~sec~ume~logon~ui.war
This war file contains the support link(forget password) configurations UMS side done
support link click on the calling the logon help webdynpro java application(this applicatin changes are required)
But i open the that application nwds webdynpro views are not displayed.