Security Policy - password must be different from previews passwords

Is it possible to determine that the user <u>must</u>

have his or her passwords <u>different from the last N

passwords</u>?

I couldn't find it on the following documentation:

http://help.sap.com/saphelp_nw04/helpdata/en/b5/16c43bdd3da244a1d3372a77b5f83f/frameset.htm

Besides, my EP is pointing to an ABAP system (SRM).

<u>Where</u> do I have to configure it? Wich UME? In my

EP, in my SRM or in both?

Thanks in advance.

Best regards,

Raphael Barboza