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uberAgent

Now you can PROVE that it’s not Citrix but the backend!

  • by Helge Klein
  • April 15, 2015

You have been there: end-users are complaining and your boss demands an explanation why “Citrix is slow” – again. You, the XenApp/XenDesktop admin, desperately look at Task Manager and Perfmon, but you cannot find a thing. Your servers are humming along quite nicely, but still: applications are slow, the system feels sluggish and logons are taking forever. And then, all of a sudden, things are back to normal. What was going on? How do you prevent that from happening again?

The reason for these mystery events very often lies with a backend service experiencing problems or hitting a bottleneck. If, for example, the file server is under high load, its response times are going to increase and your users will notice. Now all you need is a tool to prove that!

uberAgent reports on network performance – individually per application and per communication target. It shows you the data volume transferred and, much more importantly, the latency of each connection. Looking at the latency over time it is trivial to spot whether a particular service is currently performing subpar or not:

uberAgent-network-latency-application

About uberAgent

uberAgent is an innovative Windows and macOS user experience monitoring (UXM) and endpoint security analytics (ESA) product. UXM highlights include detailed information about boot and logon duration, application unresponsiveness detection, network reliability drill-downs, process startup duration, application usage metering, browser performance, web app metrics, and Citrix insights. ESA comes with a sophisticated activity monitoring engine, the uAQL query language, detection of risky activity, DNS query monitoring, hash calculation, registry monitoring, and Authenticode signature verification.

About vast limits

vast limits GmbH is the company behind uberAgent, the innovative user experience monitoring and endpoint security analytics product. vast limits’ customer list includes organizations from industries like finance, healthcare, professional services, and education, ranging from medium-sized businesses to global enterprises. vast limits’ network of qualified solution partners ensures best-in-class service and support anywhere in the world.

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For a MS RDS environment does it tell if and when a user session disconnected?

Our dashboard "User Sessions" shows you the current state for all sessions.

To list all users as well as the timespamp when uberAgent collected data and the session was disconnected, run the following custom search. Since uberAgent collects data every 30 seconds by default, the timestamp comes very close to the actual time of the disconnect.

| pivot uberAgent Session_SessionDetail_Users
latest(SessionUser) as User
latest(SessionProtocol) as "Protocol"
latest(SessionLogonTime) as SessionLogonTime
latest(_time) as "Went disconnected"
latest(host) as Host
latest(SessionID) as "Session ID"
sum(SessionIODurationMs) as SumSessionIODurationMs
sum(SessionIOCount) as SumSessionIOCount
splitrow _time
splitrow
SessionGUID
filter host in (*)
filter SessionConnectionState in (disconnected)
| eval "Logon time"=strftime(strptime(SessionLogonTime,"%Y-%m-%d %H:%M:%S.%Q %z"), "%Y-%m-%d %H:%M:%S")
| eval "Went disconnected"=strftime(strptime('Went disconnected', "%Y-%m-%dT%H:%M:%S.%Q%z"), "%Y-%m-%d %H:%M:%S")
| eval sortfield=lower('Logon time')
| sort limit=0 -sortfield
| dedup SessionGUID
| table
SessionGUID
User
Host
"Session ID"
"Logon time"
"Went disconnected"
Protocol

Unfortunately, we do not collect the reason why the session went to the "disconnected" state.