Application Launch Error: “The Citrix server is unable to process your request to start this published application at this time.”

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Following are the possible solutions to troubleshoot the error:

Solution 1

In the PATH Environment variable, Move the location of the third party software variables after the XenApp variables. After the change, XenApp locates the correct version of cmstart.exe.

“%SystemRoot%system32;%SystemRoot%;%SystemRoot%System32Wbem;%SYSTEMROOT%System32WindowsPowerShellv1.0;C:Program Files (x86)Citrixsystem32;C:Program Files (x86)CitrixSystem32CitrixIMA;C:Program Files (x86)CitrixSystem32CitrixIMASubsystems;%SystemRoot%System32CitrixIMA;C:Program Files (x86)Citrixsystem32;C:Program Files (x86)Common FilesCitrixSystem32;C:Program Files (x86)ThirdPartyBin;C:Program Files (x86)Microsoft SQL Server100ToolsBinn;C:Program Files (x86)Microsoft SQL Server100DTSBinn;”

Solution 2

Complete the following steps to add values to the AppSetup String Value and resolve the issue:

Caution! Refer to the Disclaimer at the end of this article before using Registry Editor.

  1. Open the Registry Editor and go to the following registry key:

    HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogon

  2. Double-click the AppSetup value.

  3. Add the data value cmstart.exe after Cmd separated by a comma.

  4. Add the data value CtxHide.exe before the data value UsrLogon.Cmd. There are no commas placed between CtxHide.exe and UsrLogon.Cmd.

    Note: In a XenDesktop 7 App Edition scenario on Windows Server 2012, CtxHide.exe will not be present on the system, and does not need to be included in this registry update.

Following is an example of the AppSetup Value Data: CtxHide.exe UsrLogon.Cmd,cmstart.exe

AppSetup Value Data: CtxHide.exe UsrLogon.Cmd,cmstart.exe.

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