We have an administration tool which is a installed locally on a server and accessed through a browser with automatic log in using AD.
When the user navigates to the page, they are automatically logged in with their credentials and can use the application. However, there is no need to sign out, as they never directly logged in.
Should I just ignore this, and assume that the user will know to just close the webpage? Or should I have some kind of button that will close the page for them, thus 'logging them out'?