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When you publish applications, you get greater administrative control over application deployment with:

uSelected user access. You publish applications for specific users and user groups. By definition, an application you publish for a specific user group is unavailable to other groups.

uEnabled and disabled application access. You can temporarily restrict all access to an application by disabling it. You can enable the application later to return access to users. This capability is useful when you want to take an application offline for maintenance.

uMultiple-server application hosting. Application publishing, when used in conjunction with Citrix Load Balancing Services, lets you direct ICA Client connection requests to the least busy server in a farm of servers configured to run an application.

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Citrix server farms provide you with a flexible and robust way of deploying applications to ICA Client users. Server farms let you centralize your control over the application deployment process by grouping Citrix servers into a single administrative unit. Citrix servers in a farm function together to make applications easily available to your ICA Client users.

A server farm is a group of Citrix servers managed as a single entity and that share some form of physical connection and a common base of user accounts. After you place your servers in a server farm, you can publish applications on servers in the farm for users in the common base of accounts. After starting Program Neighborhood, a user logs in once, then sees an application set containing each application configured for his or her specific user account or user group.

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When you publish an application, the server you specify to host the application stores configuration information for the application in its registry. The collection of registry entries governs the properties of the ICA connection including:

uThe application to run in the session

uUsers who can connect to the application

uIn the case of an application published in a server farm, client-side session properties such as window size and colors and supported level of encryption, audio, and video

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