Interesting…I have never come across the Lawson authentication process. Any advantages over standard AD authentication or is it a form of LDAP for Operating Systems other than windows?
p.s. kilko - you mentioned about tracking users in the CMC. Check out this topic :-
There is a bug in the PM version of Infoview to do with session cleanup - but there is a section of code in web.xml that you can uncomment which seems to fix it.