Here are answer to all important questions and clarify which licensing model is recommended in which situation. Named licenses give an exact number of registered users the right to use a resource, e. This means that only a predefined number of selected users may access the resource. Named licenses are also known as single licenses or user licenses. Accordingly, the number of licenses is in a 1-to-1 ratio to the number of users.
For example, a software that is licensed in a company with three named users can also be used by three registered users only. In the classic sense, concurrent licenses, also known as group licenses, give you the right to use a resource for a group of users. As a rule, concurrent licenses offer the possibility of setting a maximum for simultaneous use of applications. In this case, each user is entitled to use the resource, but only up to the specified maximum number of permitted accesses.
With such a limit, it is common that more users are registered than actual concurrent licenses available. For example, there are ten concurrent licenses of a particular resource in the company, which a maximum of ten registered users can access at the same time. Once the ten concurrent licenses are in use at any given time, no more users are allowed to use the resource and each additional user is denied access until a license becomes available.
Concurrent licenses are often slightly more expensive than named licenses. However, in many cases the concurrent model can save costs compared to the named model. A good example of this is in companies where several employees work in shifts and access a software at different times. They are a chance to learn more about us, our products, and how to level up your skills with our tools. We partner with educational institutions and individuals all over the world. We are also a great place to work and encourage you to explore joining our team.
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We want to help developers extend and customize our tools to fit in with their needs. We provide robust APIs, sample code, and open source projects. The Value of Concurrent User Licensing. Scenario In order to make a realistic comparison, we will use the following model organization : A local onsite development team consisting of the product owner, project manager, six developers and the QA lead An offshore development team consisting of a team lead and five developers An offshore outsourced QA team of seven test engineers A business executive and his team that are responsible for the success of the project.
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Concurrent license is not tied to a specific userID, Active Directory account, or a domain. Concurrent licensing is based on the originating endpoint deviceID. A user or endpoint device could connect to multiple sessions and use a single license. You start a product that requests a license and it is checked out to a unique endpoint deviceID. When you log off or disconnect from the session, the license is checked in and is available for a new user.
Multiple sessions at different computers use multiple licenses. Each time you start a Citrix session from various devices, a license is checked out until you close that session. At that point, the license is checked back in. For example, a user starts a session from one computer and then starts another from a different computer before closing the first session.
Two licenses are checked out. License Servers do not communicate with each other. If you run multiple License Servers, you might consume more than one license for example, with load balancing.
If you are using load balancing, we recommend that the product servers point to the same License Server. Different editions consume different licenses. Two licenses are consumed, if you use the same client to connect to applications running on an Advanced edition and Premium edition each. Same product, edition, and license model consume single license. If you make multiple connections from a single device to different product servers configured with same edition and license model and pointing to the same License Server.
Only one license is consumed. For license sharing, pass-through connections on Citrix Virtual Apps and Desktops pass the endpoint client device ID to the product server. If you connect to a single product, edition, and license model with a shared License Server, all connections share a single license. A user connects from a single device to two product servers that are the same edition but different versions.
One or two licenses might be consumed based on the order in which the user makes the connections. If the number of connections exceed the purchased and available standalone concurrent licenses, users are denied access unless the supplemental grace period is enabled. For more information, see Supplemental grace period.
A licensed user requires a unique user ID, such as an Active Directory entry. When a license is assigned to a user, the license allows the user to connect to their desktops and applications using multiple devices.
When a user connects to multiple devices, a user license is consumed for the 90 day assignment period. The license assignment period begins when a connection is made. The period is renewed to the full 90 days during the life of the connection. The device lease for the license assignment will expire in 90 days after the last connected user or device disconnects. A licensed device requires a unique device ID and any individuals can access instances of a product.
It allows an unlimited number of users per device. A single Device license can support multiple users from the same device.
When a single device is used by multiple users, a device license is consumed for the 90 day assignment period. Per socket licenses are consumed based on the number of CPU sockets. Cores are not counted. For example:. In a product when you request a license, a named user license is checked out until a preconfigured period expires. This type of license check-out is not tied to a computer or a device.
After the license is checked out, the user can run multiple sessions on different computers without checking out more licenses. These demos allow for a customized experience to fit your needs, use cases and active projects; get real-time answers and advice from a Citrix expert. The license overdraft count is displayed in a separate column within the License Administration Console.
The installed column displays both the purchased license total plus the associated overdraft total. Overdraft usage is also visible in Studio. The license overdraft feature is offered as a convenience, not as a license entitlement.
Any overdraft licenses used must be purchased within 30 days of first use. Concurrent licenses and server licenses do not contain the overdraft feature. Citrix reserves the right to remove any overdraft feature in new product releases. The supplemental grace period enables unlimited connections to a product for 15 consecutive days.
This feature is available to Citrix Virtual Apps and Desktops licenses. You can use this feature with a XenApp 7.
If all licenses are in use, including the license overdraft where applicable, the supplemental grace period gives you time to determine why you exceeded the maximum license count and to purchase more licenses without disrupting your users.
After the supplemental grace period expires, normal connection limits are enforced. Users are not disconnected during active sessions. As they disconnect, however, no new connections can occur until the license levels return to normal. The supplemental grace period is not automatically re-enabled once it completes. To re-enable the supplemental grace period, you must install another retail license, which grants a new day supplemental grace period if and when you exceed the subsequent maximum installed licenses limit.
We recommend that you allow the supplemental grace period to run out after it starts. To clear the warning condition do not add licenses immediately. Doing so gives you time to fully assess the situation and correctly address any issues. If you install licenses while the supplemental grace period is in force, the License Server exits the supplemental grace period.
Reenabling the supplemental grace period before fully determining the reason for the supplemental grace period, and how many licenses you require, might cause you to reenter the period after installing new licenses. Supplemental grace periods are granted per product version and edition and only for retail licenses. The supplemental grace period is enabled by default when you first install the licenses.
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