If Single Sign-On (SSO) is in use, you can select this option if you wish to use your your User ID and Password when you logged on to Windows, rather than the User Id and Password on the Logon dialog.
If you are using a slave system with an IBM i Master Repository, you may need to update the Windows user details using the 4.3.13 Enrolled PC Users option.
If you are using a Visual LANSA Master or independent system, you can maintain user profiles by opening the appropriate user in the LANSA Editor.
Also see
Users in the Visual LANSA User Guide