XenApp 6.0 WMI Queries


I use these WMI queries within Solarwinds Monitoring APM applications applied to the relevant servers to report back the results. No doubt other monitoring tools allow WMI queries and so could be used with them as well. There are many possible queries to be written and the list will grow in this post, but these are what I would consider to be very useful.

I used WMI Browser to find the information to get the queries to work:
http://www.microsoft.com/download/en/details.aspx?id=24045

Get the Used License Count:
This query should be applied only to your license server to report back the number of licenses in use. If you have alerting in place then you can get an email or such like sent out then you get close to the limit of licenses in use compared to what licenses you have. This may save you a headache.

WMI Namespace: root\CitrixLicensing
WQL Query:  Select InUseCount From Citrix_GT_License_Pool
Return Value: Numeric

N.B. This works when there is a single XenApp license file is applied. I have not tested this when there are multiple files as I am not in a position to do that. But if it does work then please comment your findings to further improve this post and I will happily update it either way.

Get Server Load:
This is useful to report back the load on the server and also highlight any servers that are running very high loads. This would show any servers running at the full 10000 for fully loaded servers and also highlight the 20000 value you have when there is a licensing connection issue:

WMI Namespace: root\Citrix
WQL Query:  Select LoadLevel From MetaFrame_Server_LoadLevel
Return Value: Numeric

Hope this helps

About Chris Ainger

I have been working in IT since 1998 in the Public Housing Sector. I have worked with Citrix since 2003 in the days of Citrix Metaframe XP 1.0 FR2. Since then I have been through the processes of upgrading to Presentation Server 4.0 with a farm of around 150 servers. Since then I have helped create a farm of around 200 servers using XenApp 6.0 on VMware 4.1. This was a great experience which has only increased during the upgrades of the environment for out 2000+ users. All of our clients are the WYSE 10 series using ThinOS which I have helped configure for individual users from a central location making administration very simple. I gained my CCA qualification in XenApp 6.0 in January 2012. I am a big fan of SolarWinds also, which is a great monitoring tool. It is very versatile with a small footprint of resource usage on the targeted devices. I am currently designing the interfaces for the IT department for daily use and also a Service view for the Support Desk Team. I am also a keen fisherman, having restarted again after 20 years. I set myself yearly targets to try to complete which makes this more interesting and belong to several forums of other like-minded folks. I, on occasion, fly fish for trout as a treat once in a while or when the fridge gets empty and also sea fly fish for bass and mullet. My main area is sea fishing from either beach, harbour wall or pier. There are so many species of fish to catch around the UK that you can mix up the locations to try something different.

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