active directory - Audit sessions to Dynamics CRM 4 -

active directory - Audit sessions to Dynamics CRM 4 -

i'm looking info how audit logins dynamics crm 4. on premise site, , utilize active directory authentication. i'm evaluating 2 choices:

1- create custom http handler , create handler begin_session event of httpapplication class

2- utilize scheme policy audit credential validation in windows.

is there other choice? if there's not, 1 of better?

normally these 2 solutions suggested:

http://blogs.msdn.com/b/crm/archive/2009/04/08/crm-usage-reporting-unleashed.aspx

http://bproud2banindian.blogspot.com/2010/09/login-log-out-informations-for-users-in.html

active-directory dynamics-crm audit-trail