Citrix Systems 1.8 manual 8QGHUVWDQGLQJ8VHU&RXQWV, 3RROLQJ8VHU&RXQWV, Olhqwhylfh/Lfhqvlqj

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To activate a Citrix license you use three numbers:

serial number	The number on your CD case that you enter during setup.
license number	The serial number appended with a code that makes it unique to
	this server.
activation code	A number that validates and enables a Citrix license.

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Base licenses and user licenses come with a user count. A server’s user count is the number of ICA Client users who can have a session on that server at the same time.

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Citrix user counts can be shared (pooled) by all servers on the same network subnet. Each server contributes its installed user count to the master ICA Browser.

If server A’s user count is 15 and server B’s user count is 15, a total of 30 (15+15) is available for use by either server. For example, server A could use up to 20 user counts as long as server B is using no more than 10. You can adjust how many user licenses are allowed to be pooled on a given server. MetaFrame and WINFRAME servers use the same user license pool. Citrix servers that pool licenses must be on the same network subnet.

By default, all user counts are pooled.

1RWH User counts are not pooled across ICA Gateways.

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Client device licensing allows users to start multiple sessions on the same or different servers while using only a single Citrix user count. All connections must be from the same client device.

When a user starts a second session on the same Citrix server as the first session, the new session does not consume a second user count.

When a user starts a second session on a different Citrix server, the new session does not consume a second user count under the following conditions:

uThe first session consumed a pooled user count

uThe user makes all connections from the same client device

uAll servers are on the same subnet (using the same master ICA Browser)