Introduction
When the SSDT installs a new version of the ODDEX application, it is generally done as a "rolling upgrade".
In layman terms, this means that the application is upgraded without shutting down with no or minimal user disruption. However, occasionally, a small number of users will inconvenienced by being forcibly logged out, which requires the user to log back in. If you care to know why this happens, please read the remainder of this page.