Importing Portal Certificate into SAP System < 4.6C 
Check whether there is a file DIR_PROFILE\SAPSSO2.pse in the profile directory of the component system. (DIR_PROFILE is a profile parameter).

You can find the verify.pse file at
If you need to keep the existing PSE file in your component system
You can use the Trust Manager to import the portal certificate into the existing PSE file. To do this, you need any SAP System with Release 4.6C or higher.
The following screen appears.


This file is located at