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Cannot disable prelaunch on a specific Delivery Group

Darren Etheridge


Just wondering if anyone has seen this one.

In Studio when editing a specific delivery group, Im trying to basically disable prelaunch. Its currently specific to launch for specific users in this certain group.

I'm selecting 'Launch when users start an application (no prelaunch) and trying to apply, but i get the following error:


"Attempted operation conflicts with current configuration"


Any ideas?



The details button on the error shows the following (my specific server and group names redacted):


Error Id: XDDS:D15CD16D

    Citrix.Console.Models.Exceptions.InvalidDataException Attempted operation conflicts with the current configuration.
       at Citrix.Console.PowerShellInteraction.CmdletExecutionMethods.CreateException[T](ICommonLog logger, ExecutionResults`1 results, ICmdletExecutionHost host)
       at Citrix.Console.PowerShellInteraction.CmdletExecutionMethods.Execute[T](ISdkCmdlet`1 sdkCmd, ICmdletExecutionHost host, Boolean allowFailover)
       at Citrix.Console.PowerShellSdk.DesktopGroupService.Scripts.DeleteFastApplicationAccessSettingsScript.RunScript()
       at Citrix.Console.PowerShellInteraction.PowerShellScript`1.Run()
       at Citrix.Console.PowerShellSdk.DesktopGroupService.Scripts.EditDesktopGroupScript.UpdateFastApplicationAccessSettings(Nullable`1 applicableUpdated, Nullable`1 settingsEnabledUpdated, Boolean prelaunchSettings)
       at Citrix.Console.PowerShellSdk.DesktopGroupService.Scripts.EditDesktopGroupScript.UpdateDesktopGroups()
       at Citrix.Console.PowerShellSdk.DesktopGroupService.Scripts.EditDesktopGroupScript.RunScript()
       at Citrix.Console.PowerShellInteraction.PowerShellScript`1.Run()
       at Citrix.Console.DesktopGroups.UI.Dialogs.DesktopPropertiesViewModel.Commit(IProgressReporter progressReporter)
       at Citrix.Console.CommonControls.Wizard.PageContainerViewModel.<CreateCommitProgressViewModelInternal>b__21_1(IProgressReporter progressReporter)
       at Citrix.Console.CommonControls.Wizard.CommitProgressViewModel.PerformOperationInternal()
    DesktopStudio_ErrorId : ConstraintViolation
    SqlErrorText : DeleteSessionPreLaunch: The DELETE statement conflicted with the REFERENCE constraint "FK_ApplicationInstances_ApplicationUid". The conflict occurred in database "MyCitrixFarmSite", table "chb_State.ApplicationInstances", column 'ApplicationUid'.
    The statement has been terminated.
    Sdk Error Message : Attempted operation conflicts with current configuration
    Sdk Error ID : Citrix.XDPowerShell.Broker.ConstraintViolation,Citrix.Broker.Admin.SDK.RemoveBrokerSessionPreLaunchCommand
    ErrorCategory : InvalidData
    DesktopStudio_PowerShellHistory : Edit Delivery Group 'MyDeliveryGroup'
    11/6/2019 7:43:33 AM
    Get-LogSite  -AdminAddress "redacted.domain.com:80"
    Start-LogHighLevelOperation  -AdminAddress "redacted.domain.com:80" -Source "Studio" -StartTime "11/6/2019 1:43:32 PM" -Text "Edit Delivery Group `'MyDeliveryGroup`'"
    Get-BrokerSessionPreLaunch  -AdminAddress "redacted.domain.com:80" -Filter {(DesktopGroupName -eq 'MyDeliveryGroup')} -MaxRecordCount 2147483647
    Remove-BrokerSessionPreLaunch  -AdminAddress "redacted.domain.com:80" -DesktopGroupName "MyDeliveryGroup" -LoggingId "39deaff8-75f7-486b-b9a9-036e66761dcf"
    Remove-BrokerSessionPreLaunch : Attempted operation conflicts with current configuration
        + CategoryInfo : InvalidOperation: (:) [Remove-BrokerSessionPreLaunch], SdkOperationException
        + FullyQualifiedErrorId : Citrix.XDPowerShell.Broker.ConstraintViolation,Citrix.Broker.Admin.SDK.RemoveBrokerSessionPreLaunchCommand
    Stop-LogHighLevelOperation  -AdminAddress "redacted.domain.com:80" -EndTime "11/6/2019 1:43:33 PM" -HighLevelOperationId "39deaff8-75f7-486b-b9a9-036e66761dcf" -IsSuccessful $False
Inner Exception:
    Citrix.Broker.Admin.SDK.SdkOperationException Attempted operation conflicts with current configuration
       at System.Management.Automation.MshCommandRuntime.ThrowTerminatingError(ErrorRecord errorRecord)
Inner Exception:
    System.InvalidOperationException Attempted operation conflicts with current configuration



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5 answers to this question

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Hi ,


Can you please let us know on which XenApp version do you see this issue ?

Also please confirm the status of session prelaunch by clicking the delivery group as shown as below screenshot 


Note:- If single sign on(SSON) is installed then Session prelaunch is enabled by default , which could be the reason for operation conflicts  error


Anjani Bhiravabhatla


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Hi Anjani,

This is xenapp 7.15 (no cu's yet)

It only occurs on a specific delivery group. I can enable and disable prelaunch on other delivery groups just fine:

To answer your question, the status of session prelaunch for this one is set to "Prelaunch for specific users' and we have it pointed to a specific security group.

Also when you say if SSON is installed, where do you mean? I know its installed on some of our end-users receivers.



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