>Hi all > >I need to implement Sigle Sign On for my app. > >My undertsanding is that user only login once and no further login into any other app. > >My client is using Microsoft Active Directory with single domain. > >Each app must check the login ID against the app authorised User ID. If this validation OK, no further login required, else the login to the particular app will fail. > >May I know how can my app retrieve the login user ID? > >Your advice much appreciated. > >Thanks & Best Regards