Avg. User Logon VM Start Time

Comtrade.Citrix.XenDesktop.EndUser.DeliveryGroup.Logons.AverageVMStartTime.Monitor (UnitMonitor)

Monitors average user logon VM start time (in seconds) for a delivery group. This is the time taken to start a VM.

Knowledge Base article:


Monitors the average user logon VM start time (in seconds) for a delivery group.

VM start logon phase includes the time taken to start VMs by the user. VM start time will be 0 in case there was no need to start a new machine, since a machine could be brokered instantly.


Overridable parameters:


The recurring interval of time in seconds in which the monitor is started (the default value is set to 300 seconds).


Warning alert threshold (the default value is set to 90 seconds).


Used for troubleshooting (the default value is set to false).


If desktops are not powered on when the users try to access their desktop, it would take some time for the desktop to boot and be ready for login.


To view the logon phase trend on a delivery group in the past days, open the following link:

Delivery group average logon performance

Also, please see the Delivery Group - Logons per Week (Plan & Manage) report to view how the average logon phase time changed for the past weeks.

Try also to fine tune idle pool settings for the desktop OS machines, to be ready for users when they are expected to be used.

Additionally, optimize the startup process by disabling or delaying services and applications that are scheduled to run at power on.


Click the following link to get more info about logon process:

XenApp/XenDesktop Connection Process and Communication Flow

Also, please see the following Citrix article on troubleshooting slow XenApp logons:

How to Troubleshoot Slow Logons

Element properties:

Parent MonitorSystem.Health.PerformanceState
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeComtrade.Citrix.XenDesktop.EndUser.DeliveryGroup.Logons.UnitMonitorType
Alert Message
User Logon Process - Delivery Group Average Logon VM Start Time
The average user logon VM start time for delivery group '{0}' in site '{1}' is {2} s.