Measures reported by VDIBoxLicenseTest
VDI-in-a-box is licensed based on the count of concurrent users. By tracking the number of users who are simultaneously connected to virtual desktops via the vdimanager, you can easily figure out how the concurrent user licenses have been utilized.
The startup license on the other hand does not affect the VDI-in-a-box license count. It is used to allow a Citrix product to communicate with the license server using a continuous open connection. Each time a Citrix product starts, it opens a connection to the license server by checking out the startup license. Every five minutes the license server and the products send a heartbeat message to each other to verify that they are mutually communicating.
This test tracks the usage of the Citrix Startup and VDI in-a-box licenses, and helps determine the following:
- Whether adequate Citrix startup licenses are available for supporting continuous connections to the Citrix License server;
- Whether sufficient concurrent user licenses are available or more licenses need to be purchased.
This way, you can ensure the uninterrupted use of the vdimanager and the virtual desktops it manages.
The measures made by this test are as follows:
| Measurement |
Description |
Measurement Unit |
Interpretation |
| Licenses_installed |
Indicates the total number of licenses of this type that are currently installed. |
Number |
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| Licenses_in_use |
Indicates the number of licenses of this type that are currently in use. |
Number |
If the value of this measure is equal to that of Licenses installed, it indicates that all the licenses are utilized. If you have exhausted the startup licenses, then VDI-in-a-box may not be able to communicate continuously with the license server and check out licenses, until additional licenses of this type are purchased. If no more VDI-in-box licenses are free, it implies that subsequent desktop requests from users will be rejected, until additional licenses of this type are purchased. |
| Available_licenses |
Indicates the number of licenses of this type that are currently unused. |
Number |
A high value is desired for this measure. |
| License_util |
Indicates the percentage of installed licenses that are currently in use. |
Percent |
A value close to 100% is indicative of rapid depletion of licenses; you may have to purchase additional licenses to continue using the product.
If enough startup licenses are not available, then VDI-in-a-box may not be able to communicate continuously with the license server and check out licenses until additional licenses of this type are purchased. If sufficient VDI-in-box licenses are not available, it implies that subsequent requests for desktops will be rejected by the vdimanager, until additional licenses of this type are purchased.
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