Command Line Method

The first method we can use involves the command line. You will need to change your user mode to installation mode by using the following command:

Change User /Install

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At this point you could go ahead and safely install the application, but once the application is installed don’t forget to change back to execution mode, you can do so by running the following command:

Change User /Execute

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The GUI Method

If you think you are going to forget to switch back to execution mode, or maybe you just don’t like the command line you can always do the same thing using the GUI. To get started open control panel

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Switch to the small icon view, and look for Install Application on Remote Desktop Server, double-click on it

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Now you can simply go through the next, next, finish style wizard which will help you get the application installed.

Why Must I Do This?

When you use “change user /install” before installing an application, you actually create .ini files for the application in the system directory. These files are used as master copies for user-specific .ini files. After installing the application, when you type “change user /execute” you are reverting to standard .ini file mapping. The first time you run the application, it searches the home directory for its .ini files. If the .ini files are not found in the home directory, but are found in the system directory, Terminal Services copies the .ini files to the home directory, ensuring that each user has a unique copy of the application .ini files. Each user should have a unique copy of the .ini files for an application. This prevents instances where different users might have incompatible application configurations.