Monitoring License Server components
The following table lists the object types that Citrix SCOM Management Pack for License Server discovers in the monitored environment.
|Citrix vendor daemon||A process that is responsible for core operations of Citrix License Server.|
|License||A Citrix license file, which can be of one of the following types: User/Device, Concurrent user, Concurrent system, Named user license.|
|License Server||A system that allows licenses to be shared across the network. It stores and manages Citrix license files.|
|License server TCP Probe||TCP ports on the license server host: vendor daemon port, license server manager port, and console web server port.|
|Product||A group of license files for a Citrix product, such as XenDesktop or XenApp.|
|Service||A Windows service that is part of Citrix License Server.|
|License Server Computer||A computer hosting the License Server. There are no monitors associated with this object. The State "Not Monitored" is expected.|
See the Reference Guide for a complete list of monitors and rules available in Citrix SCOM Management Pack for License Server.
Product license usage
After a user connects to a computer running a Citrix product, the product requests a license from the license server and license gets checked out. License can be checked out to a user, device, session, server, or appliance, depending on the licensing model for a particular product.
Users can eventually run out of available licenses. Citrix SCOM Management Pack for License Server handles this situation in various ways.
Performance collection rules
Citrix SCOM Management Pack for License Server provides the following rules that collect metrics for a license:
Values are displayed in the License Performance view.
With the Citrix SCOM Management Pack for License Server reports, administrators have an overview of license usage on Citrix license servers. Reports show summarized data as well as details for the amount of licenses and the license usage for each Citrix product.
Citrix SCOM Management Pack for License Server provides the following reports:
Figure: Citrix License Summary report
License expiration monitoring
Citrix licenses can have a limited lifetime. After a license expires, it can no longer be checked out and users are unable to use the product. Citrix SCOM Management Pack for License Server provides a monitor that alerts administrators if a license is about to expire soon or if it has already expired.
Citrix Subscription Advantage membership expiration monitoring
When purchasing a new Citrix product, your purchase includes a one-year membership in a Citrix Subscription Advantage. This membership entitles you to, among other benefits, any product updates, including major and minor releases, released during your membership period.
Citrix SCOM Management Pack for License Server provides a monitor that alerts administrators if Subscription Advantage Membership is about to expire soon or has already expired.
License Server infrastructure health
Citrix SCOM Management Pack for License Server allows you to monitor the crucial services and processes of a Citrix License Server instance and analyze the CPU performance and memory consumption on its host system.
Figure: License Server topology
The following Windows services of License Server are monitored:
Besides service monitoring, Citrix SCOM Management Pack for License Server checks the health of the Citrix vendor daemon process. Citrix vendor daemon is responsible for the core operations of License Server, such as tracking how many licenses are checked out and who uses them. The vendor daemon can manage all of your Citrix license files and is fully backward compatible with any license files you have.
License Server TCP port probing
The Citrix License Server installation configures communication channels through several ports:
Citrix SCOM Management Pack for License Server executes TCP port probes on license server from SCOM server perspective for each configured TCP port. Monitors alert the following states:
Some monitors and rules have default thresholds that might need additional tuning to suit your environment. You should evaluate monitors and rules to determine whether the default thresholds are appropriate for your environment. If a default threshold is not appropriate for your environment, you should baseline the relevant performance counters, and then adjust the threshold by overriding them.
For a complete list of monitors and rules, see the Citrix SCOM Management Pack for License Server Reference Guide, which you can find in the Key Monitoring Scenarios section.
Tuning thresholds for performance monitors and rules
Similar to customizing the default SCOM management pack, you can customize the sealed management packs that Citrix SCOM Management Pack for License Server provides. For details, see the Microsoft TechNet website: