administrators can automate the process of installing,upgrading,managing,and removing software from systems on the network,windows install packages have a .msi file extension and in a shared directory,the package is added to the GPO
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under user configuration,software setting,software installation. the client must run the windows install serveic.
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assign:
user:
the new program is advertised in the start menu ,when a user loge on ,but is not install until the user starts the application.if GPO is setted to remove application ,automatically removed the next time,that user logs on.
computer:software is installed automatically.if GPO is setted to remove application,it is automatically removed at start up.