Product Documentation

Fixed issues

Dec 05, 2017

XenApp and XenDesktop 7.15 LTSR Cumulative Update 1 (CU1) fixes more than 80 issues reported since the initial release of the 7.15 LTSR:

Citrix Director

  • When you open the Director Console and search for users for the first time, the loading bar does not appear. In subsequent searches, the bar appears as expected. [#LC8190]

Citrix Policy

  • Attempts to add a new USB redirection rule to a user policy in Active Directory might fail. The issue occurs when the scroll bar is not available. [#LC8112]

  • When attempting to manage the "Printer Assignments" policy, the following issues might occur:

    • The exception "InvalidCastException" occurs when adding or editing the printer assignments policy.
    • The exception "InvalidOperationException" occurs when adding a new session printer.
    • Attempts to remove a session printer from the printer assignment policy fails. This issue occurs when the "Remove" option is disabled.
    • When you stop typing in the search box of the "Printer Assignment" policy, the search action does not start.
    • The session printer override setting checkboxes (PrintQuality, PaperSize, Scale, and TrueTypeOption) are always selected even though you have cleared them in previously.[#LC8146]

Citrix Studio

  • When you attempt to add user-assigned machines to a Delivery Group, unassigned machines might be displayed on the "Machine allocation" page. [#LC6755]

  • Attempts to access machine catalogs in Citrix Studio can cause Citrix Studio to exit unexpectedly and the following exception occurs:

    "Error Id: XDDS:ABB14FD9" [#LC7961]

  • The text for the "Use storage local to the hypervisor" option in the "Add Connection and Resources" wizard that is running on a non-English version of the Windows operating system might be truncated. [#LC8041]

  • After upgrading Citrix Studio to Version 7.14.1, the "Used By" column (referring to the Delivery Group that the application is used by) for existing App-V packages might appear blank. [#LC8075]

  • When you click the Delivery Group hyperlink in Citrix Studio, you might not be redirected to the selected Delivery Group node. [#LC8095]

  • When attempting to manage the "Printer Assignments" policy, the following issues might occur:

    • The exception "InvalidCastException" occurs when adding or editing the printer assignments policy.
    • The exception "InvalidOperationException" occurs when adding a new session printer.
    • Attempts to remove a session printer from the printer assignment policy fails. This issue occurs when the "Remove" option is disabled.
    • When you stop typing in the search box of the "Printer Assignment" policy, the search action does not start.
    • The session printer override setting checkboxes (PrintQuality, PaperSize, Scale, and TrueTypeOption) are always selected even though you have cleared them in previously.[#LC8146]
       
  • After upgrading the Delivery Controller to Version 7.15, attempts to launch Citrix Studio on the Delivery Controller might fail and the following error message appears:

    "MissingMandatoryParameter,Citrix.Licensing.Admin.SDK.Commands.GetLicAlertsCommand"
    [#LC8396]

  • When you select the Delivery Groups node in Citrix Studio and then select the Application tab, the hyperlink in the Application tab might not work. [#LC8555]

Controller

  • If a Delivery Group contains one more VDAs in maintenance mode, you might not be able to select the Delivery Group to launch published applications. [#LC6943]

  • After updating a machine catalog that was created using Machine Creation Services (MCS), virtual machines hosted on vSAN 6 or later might fail to start. The following error message appears in the VMware console:

    "A general system error occurred: PBM error occurred during PreProcessReconfigureSpec: pbm.fault.PBMFault; Error when trying to run pre-provision validation; Invalid entity." [#LC7860]

  • Attempts to access machine catalogs in Citrix Studio can cause Citrix Studio to exit unexpectedly and the following exception occurs:

    "Error Id: XDDS:ABB14FD9" [#LC7961]

  • Citrix Director might display an incorrect number of disconnected sessions at the top of every hour. [#LC8006]

  • The "AllowRestart" policy for sessions on Server OS does not allow you to log off from the disconnected sessions. When you restart a disconnected session, the session is reconnected to the previous session instead of starting a new one. [#LC8090]

  • When attempting to manage the "Printer Assignments" policy, the following issues might occur:

    • The exception "InvalidCastException" occurs when adding or editing the printer assignments policy.
    • The exception "InvalidOperationException" occurs when adding a new session printer.
    • Attempts to remove a session printer from the printer assignment policy fails. This issue occurs when the "Remove" option is disabled.
    • When you stop typing in the search box of the "Printer Assignment" policy, the search action does not start.
    • The session printer override setting checkboxes (PrintQuality, PaperSize, Scale, and TrueTypeOption) are always selected even though you have cleared them in previously.[#LC8146]
       
  • The Monitoring Service might fail to insert new session data into the monitoring database. [#LC8191]

  • The Logon Duration by User Session panel under Director > Trends > Logon Performance might display only partial logon records. [#LC8265]

  • After upgrading the Delivery Controller to Version 7.15, attempts to launch Citrix Studio on the Delivery Controller might fail and the following error message appears:

    "MissingMandatoryParameter,Citrix.Licensing.Admin.SDK.Commands.GetLicAlertsCommand"
    [#LC8396]

  • In a large XenApp and XenDesktop environment, the stored procedure for Monitor database grooming does not work correctly if the size of the Monitor database is large. [#LC8770]

HDX MediaStream Flash Redirection

  • With HDX MediaStream Flash Redirection enabled, Flash videos might fail to play on MSN.com and News.com. [#LC6823]

Linux VDA

  • A Linux VDA might register with the Delivery Controller and unregister after some time. [#LC8205]

  • Certain third-party applications that are used to check the session display of a Linux VDA might not display all pixels. [#LC8419]

  • When there are multiple LDAP Servers, attempts to launch an application on a Linux VDA might fail after policies are updated and a session times out. [#LC8444]

Profile Management

  • After restarting the Profile Management Service, Citrix Director might not show the user logon and personalization information. [#LC6942]

  • Profile Management can cause a black screen to appear when you attempt to launch a Microsoft Windows 10 session. With this fix, you must configure the policy "Directories to synchronize" and add the folder "*AppData\Local\Microsoft\Windows\Caches*." [#LC7596]

  • When you log off from a VDA running on Microsoft Windows 10, the ntuser.dat file might be in use and not be copied to the Profile Management store. As a result, the changes made to the "HKEY_CURRENT_USER" registry key are lost. [#LC8068]

  • With the "Delete locally cached profiles on logoff" policy enabled and "Delay before deleting cached profiles" set to two minutes, attempting to log off and log on to a session within two minutes using the same user account might create a new local profile. [#LC8388]

Provisioning Services

Console

  • The XenDesktop Setup wizard might fail after creating a template virtual machine. [#LC8018]

Server

  • In a network environment where the MTU size is less than 1,500 bytes, the bootstrap file fails to download and target devices fail to start using the Boot Device Manager (BDM). This enhancement allows you to lower the MTU size to less than 1,500 byte by setting the following registry key. The enhancement is disabled by default:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\PVSTSB\Parameters
    Name: MtuSize
    Type: DWORD
    Value: MTU size you want to configure in decimal. If the value is below 512, 512 bytes is used. If the value is larger than 1,500, 1,500 bytes (default) is used. The fix is disabled by default. If the value is set to 0, the fix is also disabled. [#LC8474]

StoreFront

  • With "TWIMode" set to "Off" for some applications, all applications are launched in windowed mode when using Citrix Receiver for Chrome. [#LC7558]

  • When there are two or more stores in StoreFront, clicking "Configure Remote Access Settings" on the first or second store might duplicate that store name on the most recently added store. [#LC8089]

  • When you configure stores with shared authentication in StoreFront, attempts to link a new NetScaler Gateway appliance to a store can cause the existing NetScaler Gateway appliances that are already linked to be removed. When you attempt to log on to the stores, the following error message appears:

    "Your logon has expired. Please log on again to continue."

    Additionally, the StoreFront console shows duplicate store names. [#LC8219]

  • When importing a store with HTML5 configuration using "Import-STFConfiguration" PowerShell command, import might complete successfully. However, attempts to launch an application using Citrix Receiver for HTML5 fail. [#LC8290]

  • The StoreFront server might show null entries for Receiver for Web sites in the console. The issue occurs when the store name begins with the text "discovery" in the URL. [#LC8320]

  • With the W3C logging service enabled, attempts to make changes to the StoreFront configuration might fail and the following error message appears:

    "An error occurred while saving your changes." [#LC8370]

  • With socket pooling enabled and the Site database connectivity inconsistent, the sockets in StoreFront might get exhausted when you continuously log on and log off. [#LC8514]

VDA for Desktop OS

HDX MediaStream Flash Redirection

  • With HDX MediaStream Flash Redirection enabled, Flash videos might fail to play on MSN.com and News.com. [#LC6823]

  • Attempts to save Microsoft Office files such as Microsoft Excel spreadsheets that are running in a session with HDX seamless apps enabled can cause the files to exit unexpectedly. [#LC8572]

HDX Plug and Play

  • USB devices that report the same serial number for more than one device such as Syn-Tech ProKee V2 might not get redirected to a VDA session. The following CDF trace appears:

    "Failed to assign the instance ID, error 0xc000000d." [#LC8264]

Printing

  • Attempts to launch a published application might fail when the application is waiting for a mutex object in Citrix Print Manager service (cpsvc.exe). [#LC6829]

  • The Citrix Print Manager service (cpsvc.exe) might exit intermittently. [#LC7535]

  • When you roam a session between clients, session printers cannot be deleted. For example, when you configure the policy "Printer assignments" – printer A for client A and printer B for client B, printer A might not be deleted when you roam from client A to client B. [#LC8077]

Server/Site Administration

  • On VDA 7.12 or later versions, when you attempt to suppress the display of the language bar in a seamless session by setting the seamless flag to "0x40000" (disables the language bar agent) under the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Citrix\wfshell\TWI, the language is no longer hidden. [#LC8349]

Session/Connection

  • With local app access enabled, using the interactive logon disclaimer policy might result in a black or gray screen lasting for 45 seconds. [#LC6518]

  • Attempts to reconnect to an application might fail. The issue occurs when any of the disconnected applications became unresponsive when the session disconnected initially. [#LC6550]

  • When you lock a dual-monitor session using HDX 3D Pro, only the primary monitor is locked. [#LC7767]

  • When you establish a Skype for Business video call, a blue window border might appear after intersecting with the window of a third party application. [#LC7773]

  • With local app access enabled, using the interactive logon disclaimer policy might result in a black or gray screen. [#LC7798]

  • Certain published applications might not cover the entire screen when maximized. [#LC7854]

  • When performing an insert operation between two Microsoft Excel 2010 worksheets running on a Version 7.9 VDA, the Excel window might become unresponsive. [#LC7912]

  • In certain scenarios, seamless applications might not appear in seamless mode or certain features might not work. [#LC8030]

  • With HDX 3D Pro enabled on a VDA and the policy "Message text for users attempting to log on" enabled when the logon screen appears, attempts to launch a published desktop might fail and a gray screen appears.

    To enable the fix, set the following registry key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\HDX3D\BitmapRemotingConfig
    Name: HKLM_DisableMontereyFBCOnInit
    Value: DWORD
    Type: 1 to enable [#LC8082]

  • With local app access enabled, using the interactive logon disclaimer policy can cause the desktop viewer to show a gray screen when connecting to a VDA. [#LC8136]

  • Windows Explorer might close unexpectedly in one of the following cases:

    • When selecting a large number of files whose names contain more than 260 characters and then selecting the "Send to > Fax recipient" option.
    • When attempting to open third-party applications.
    • When attempting to combine files by using Nitro PDF. [#LC8423]
       
  • When using applications that use a redirected webcam, such as Skype for Business or a VLC media player, the webcam might be redirected and detected during an initial session launch. However, when you reconnect to the user session, the webcam is no longer detected. Instead, a gray screen appears in place of the video preview. [#LC8588]

Smart Cards

  • When you log on to a session using a smart card, the session might become unresponsive until you disconnect and reconnect the session. [#LC8036]

System Exceptions

  • The wfshell.exe process might exit unexpectedly, pointing to the taskbar grouping module. [#LC6968]

  • With the USB redirection policy enabled, VDAs might experience a fatal exception, displaying a blue screen with bugcheck code SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (7e). [#LC7999]

  • VDAs might experience a fatal exception, displaying a blue screen with bugcheck code 0x7E. The issue occurs when you leave the VDA session idle for some time. [#LC8045]

  • Servers might experience a fatal exception, displaying a blue screen, on picavc.sys with bugcheck code SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (7e). [#LC8063]

User Experience

  • When reconnecting to a seamless application session, the application windows might not appear correctly on the client side. Instead, the session graphics are drawn inside a small rectangle on the client side. [#LC7857]

  • Windows Media Player might display Microsoft AVI (.avi) files format as vertically flipped. [#LC8308]

  • When a published application is maximized on the screen of a third monitor, the application might not cover the entire screen. Instead, a black border appears. [#LC8472]

  • The Seamless applications that are hosted on the VDA 7.15 might show a gray or a black frame in the background while moving the application window. [#LC8551]

User Interface

  • If you open a spreadsheet with more than one workbook in Excel 2010, the taskbar displays only the most current workbook. [#LC7557]

VDA for Server OS

HDX MediaStream Flash Redirection

  • Attempts to save Microsoft Office files such as Microsoft Excel spreadsheets that are running in a session with HDX seamless apps enabled can cause the files to exit unexpectedly. [#LC8572]

HDX Plug and Play

  • USB devices that report the same serial number for more than one device such as Syn-Tech ProKee V2 might not get redirected to a VDA session. The following CDF trace appears:

    "Failed to assign the instance ID, error 0xc000000d." [#LC8264]

Printing

  • Attempts to launch a published application might fail when the application is waiting for a mutex object in Citrix Print Manager service (cpsvc.exe). [#LC6829]

  • The Citrix Print Manager service (cpsvc.exe) might exit intermittently. [#LC7535]

  • When you roam a session between clients, session printers cannot be deleted. For example, when you configure the policy "Printer assignments" – printer A for client A and printer B for client B, printer A might not be deleted when you roam from client A to client B. [#LC8077]

Server/Site Administration

  • On VDA 7.12 or later versions, when you attempt to suppress the display of the language bar in a seamless session by setting the seamless flag to "0x40000" (disables the language bar agent) under the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Citrix\wfshell\TWI, the language is no longer hidden. [#LC8349]

Session/Connection

  • Attempts to reconnect to an application might fail. The issue occurs when any of the disconnected applications became unresponsive when the session disconnected initially. [#LC6550]

  • When you click "Cancel" on the progress bar of a session launch, wrong session information can remain on the Delivery Controller. As a result, the actual session is not created on the VDA and you might not be able to launch a new session. [#LC6779]

  • The microphone might be redirected intermittently in the user session even after setting the "Client microphone redirection" policy value to "Prohibited."

    This fix addresses the issue. However, if you continue to observe the issue, apply the following registry key on the device with the microphone:

    • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ica-tcp\AudioConfig
      Name: MaxPolicyAge
      Type: DWORD
      Value: Maximum time (in seconds) allowed between the last policy evaluation and the time of endpoint activation. Default is 30 seconds.
    • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ica-tcp\AudioConfig
      Name: PolicyTimeout
      Type: DWORD
      Value: Maximum time (in milliseconds) that the system waits for policies after determining that the policies are not up to date. Default is 4,000 milliseconds. When the timeout occurs, the system reads the policies and continues with initialization. Setting this value to (0) bypasses the Active Directory policies check and processes policies immediately. [#LC7495]
       
  • When you establish a Skype for Business video call, a blue window border might appear after intersecting with the window of a third party application. [#LC7773]

  • Certain published applications might not cover the entire screen when maximized. [#LC7854]

  • After upgrading to Versions 7.13, 7.14, or 7.15 of a VDA when using vGPU, a black area might appear in published applications or desktops running on the Microsoft Windows Server operating system. [#LC7875]

  • When performing an insert operation between two Microsoft Excel 2010 worksheets running on a Version 7.9 VDA, the Excel window might become unresponsive. [#LC7912]

  • In certain scenarios, seamless applications might not appear in seamless mode or certain features might not work. [#LC8030]

  • With local app access enabled, using the interactive logon disclaimer policy can cause the desktop viewer to show a gray screen when connecting to a VDA. [#LC8136]

  • VDAs for Server OS might reregister intermittently when an out-of-order notification is sent to the Delivery Controllers. [#LC8228]

  • Windows Explorer might close unexpectedly in one of the following cases:

    • When selecting a large number of files whose names contain more than 260 characters and then selecting the "Send to > Fax recipient" option.
    • When attempting to open third-party applications.
    • When attempting to combine files by using Nitro PDF. [#LC8423]
       
  • When using applications that use a redirected webcam, such as Skype for Business or a VLC media player, the webcam might be redirected and detected during an initial session launch. However, when you reconnect to the user session, the webcam is no longer detected. Instead, a gray screen appears in place of the video preview. [#LC8588]

Smart Cards

  • When you log on to a session using a smart card, the session might become unresponsive until you disconnect and reconnect the session. [#LC8036]

System Exceptions

  • The wfshell.exe process might exit unexpectedly, pointing to the taskbar grouping module. [#LC6968]

  • The Windows Shell Experience Host might exit unexpectedly when you click the volume control on the taskbar. [#LC7000]

  • The Service Host (svchost.exe) process might experience an access violation and exit unexpectedly. The issue occurs because of the faulting module, icaendpoint.dll. [#LC7900]

  • With the USB redirection policy enabled, VDAs might experience a fatal exception, displaying a blue screen with bugcheck code SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (7e). [#LC7999]

  • Servers might experience a fatal exception, displaying a blue screen, on picavc.sys with bugcheck code SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (7e). [#LC8063]

User Experience

  • When reconnecting to a seamless application session, the application windows might not appear correctly on the client side. Instead, the session graphics are drawn inside a small rectangle on the client side. [#LC7857]

  • Windows Media Player might display Microsoft AVI (.avi) files format as vertically flipped. [#LC8308]

  • When a published application is maximized on the screen of a third monitor, the application might not cover the entire screen. Instead, a black border appears. [#LC8472]

  • The Seamless applications that are hosted on the VDA 7.15 might show a gray or a black frame in the background while moving the application window. [#LC8551]

User Interface

  • When using the Connection Center to log off from a seamless session with unsaved data, a black window appears with the following message:

    "Programs still need to close" - with the two options - "Force Logoff" or "Cancel." The "Cancel" option does not work.

    After installing this fix, the Cancel option works as designed. [#LC6075]

  • If you open a spreadsheet with more than one workbook in Excel 2010, the taskbar displays only the most current workbook. [#LC7557]

  • The logoff screen might not appear when you attempt to log off from a Microsoft Windows Server 2008 R2 desktop session. You might be able to log off from the session, but the session appears as though it is disconnected unexpectedly. [#LC8016]

Virtual Desktop Components - Other

  • Citrix Director might display an incorrect number of disconnected sessions at the top of every hour. [#LC8006]

  • The Monitoring Service might fail to insert new session data into the monitoring database. [#LC8191]

  • The Logon Duration by User Session panel under Director > Trends > Logon Performance might display only partial logon records. [#LC8265]

  • The System Center Configuration Manager (SCCM) client might exit unexpectedly after upgrading Microsoft Windows 10 from Build 1511 to Build 1703 with a VDA installed on it. [#LC8632]

  • The rearm of Microsoft Office 2016 might be broken on Microsoft Windows 10 when using Machine Creation Services (MCS). [#LC8680]

  • In a large XenApp and XenDesktop environment, the stored procedure for Monitor database grooming does not work correctly if the size of the Monitor database is large. [#LC8770]