Xendesktop 'Site Test' might fail when the network connectivity among Delivery Controllers in different satellite zones is blocked.

Xendesktop 'Site Test' might fail when the network connectivity among Delivery Controllers in different satellite zones is blocked.

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Article ID: CTX328949

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Updated On:

Description

The site test might fail when the network connectivity among Delivery Controllers in different satellite zones is blocked.

Test fails with below exception,
 

Error Id: XDDS:8CABB6CB
Exception:
System.InvalidOperationException Sequence contains no elements
at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source)
at Citrix.Console.PowerShellSdk.EnvironmentTestService.Scripts.RunTestTaskScript.UpdateProgress(Guid taskId)
at Citrix.Console.PowerShellSdk.EnvironmentTestService.Scripts.RunTestTaskScript.RunScript()
at Citrix.Console.PowerShellInteraction.PowerShellScript`1.Run()
at Citrix.Console.Shared.UI.Tests.TestLauncher.Start()
at Citrix.Console.DeliveryCenter.UI.Mmc.Commands.ExecuteDeliveryCenterTestCommand`1.ExecuteWithItem(T item, IProgressReporter reporter, Canceller canceller)
at Citrix.Console.Common.OperationTimer.TimeBlock(Action operation)
at Citrix.Console.CommonControls.ProgressDisplay.GenericProgressOperationWithFeedBack.PerformOperationInternal()
at Citrix.Console.CommonControls.ProgressDisplay.ProgressWindowOperation.PerformOperation()
at Citrix.Console.CommonControls.ProgressDisplay.ProgressWindowViewModel.PerformAction(Action operationComplete)

DesktopStudio_PowerShellHistory : Run Tests

New-EnvTestDiscoveryTargetDefinition -AdminAddress "DDC.domain.com:80" -TestSuiteId "Infrastructure" | Set-Variable -Name "testTarget0"
Get-Variable -Name @("testTarget0") -ValueOnly | Start-EnvTestTask -AdminAddress “DDC.domain.com:80" -RunAsynchronously
Remove-Variable -Name "testTarget0"

From the eventvwr, we also noticed that Citrix.Env.Test.exe service crashed due to an unhandled exception.
 
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Resolution

This issue is addressed in CVAD 1912 LTSR CU4 & Xendesktop 7.15 CU9.

Problem Cause

Connectivity among the delivery controllers in satellite zones is blocked.