When administrators assign an application to users, the application is advertised to users during logon at a workstation. Basically, this process works almost like having the application installed on the local computer. Shortcuts for the application magically appear in appropriate locations (including the Start menu or the Desktop), and the appropriate registry entries for the application are added to the local computer registry.
As opposed to advertising, when an application is published, the application is advertised to the Active Directory directory service. In this case, the application has no shortcuts on the user's Desktop or Start menu, and no changes are made to the local computer registry. Published applications are available for users to install by using the Add/Remove Programs control panel tool or by clicking a file associated with the application (for example, by clicking a .dot file for Microsoft Word).
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