Not able to make iview of par file com.sap.portal.runtime.logon.par

Hello there,

I want to make iview from com.sap.portal.runtime.logon.par file. I have renamed and tried to deploy the file, it gets deployed but when i try to create an IVIEW out of this par file, it does not show up this par file in tbe list that gets displayed while creating an iview. Wht cud b d reason? How to solve the problem?

Thanks