Fixed issues

Citrix Director

  • When you filter the machines by DNS name, Citrix Director might not display any machines or show duplicate entries of the machines. The issue occurs when the machine is first added to the Monitor database but is concurrently added from two different Delivery Controllers. As a result, two machine entries are created. [LC4905]

  • An exception might occur when you, as a custom administrator, cannot retrieve the Remote PC setting from the machine catalog. The issue occurs when you have permission to manage the machine catalog, but the scope does not contain the particular catalog. [LC8170]

  • When you navigate to Filters > Sessions in Citrix Director and attempt to resize the browser, the entire table might be incorrectly aligned. [LC8624]

  • The CSV file becomes unusable when you export data from Citrix Director. This issue might occur when you set any non-English versions of Microsoft Windows as the Director display language because commas might be used as both value and decimal separators. [LC8625]

  • When you start Citrix Director, the following error message appears in the Infrastructure tab:

    “Cannot retrieve the data. Lost connection with web server. Check your network connection and try again.” [LC8752]

  • Citrix Director site names are truncated when there are multiple sites configured. [LC9258]

Citrix Policy

  • When you open a second instance of Group Policy Editor (gpedit.msc), the Citrix Policies node does not open and the following error message might appear:

    “Unhandled exception in managed code snap-in.” [LC7600]

  • When you apply Citrix policies through the Group Policy Management Console (GPMC), the policies might not appear under the GPMC policy settings. However, when editing the Group Policy Object (GPO), you can see the policies and the settings are enabled. [LC8282]

  • Using Citrix Group Policy Management 3.1 to add the Printer Assignments setting to a User Policy in Active Directory might cause a window resizing issue. The window might begin to auto resize horizontally after you open it until it extends to the corner of the screen. As a result, editing the policy can be difficult because you cannot reach all of the columns. [LC8684]

  • When files in the local policies cache folder (%ProgramData%/CitrixCseCache) are set to “Read-only,” the policy settings might not be applied successfully. [LC8750]

  • Attempts to start App-V applications in single user admin mode from VDAs might fail. The issue occurs when the value of the ApplicationStartDetails registry key is empty or if the application details are missing from the registry key. [LC8798]

  • Attempts to add machines to a Delivery Group by using the NETBIOS name for user associations might fail. Instead, the domain name might appear. The issue occurs when the NETBIOS name uses the wrong URL. [LC9393]

Citrix Studio

  • When you attempt to add an application from the Linux VDA manually, the following error message might appear:

    “Value cannot be null while publishing the application.”

    However, the application is added successfully when you click “OK” in the error message that appears. [LC7910]

  • Attempts to remove applications from a Delivery Group might fail when the applications are located in the sub folder of the Application node in Citrix Studio. [LC8705]

  • Attempts to add machines to a Delivery Group by using the NETBIOS name for user associations might fail. Instead, the domain name might appear. The issue occurs when the NETBIOS name uses the wrong URL. [LC9393]

Controller

  • Extraneous characters might appear at the end of “Service Display Name” and “Service description” of certain Citrix services installed on a Japanese operating system. [LC5208]

  • When attempting to retrieve data for sessions from Citrix Director, null entries appear in the Monitor database. As a result, certain data is not displayed in Citrix Director and the following error message appears:

    “Failed to retrieve data” [LC6273]

  • When you attempt to add an application from the Linux VDA manually, the following error message might appear:

    “Value cannot be null while publishing the application.”

    However, the application is added successfully when you click “OK” in the error message that appears. [LC7910]

  • After upgrading the Delivery Controller to Version 7.15 LTSR, the old basedisk that is created after a machine catalog update is not removed from the hypervisor’s image. [LC8637]

  • The Citrix Broker Service (Brokerservice.exe) might exit unexpectedly. The issue occurs because of the faulting module, LicPolEng.dll. [LC8638]

  • When you provision the virtual machines (VMs) with the minimum required VMware privileges through Machine Creation Services, attempts to delete the VMs might fail. This failure might occur even with the minimum granted permissions for VMware. [LC8868]

  • When you attempt to create a machine catalog that uses premium storage, the option to select the E-Series or L-Series type virtual machine size might not be available. [LC9052]

  • When an Active Directory user who is assigned with zone preference is deleted, attempts to import the broker configuration to the secondary broker might fail. The import operation can also fail after upgrading XenDesktop to the latest version. [LC9269]

  • Attempts to add machines to a Delivery Group by using the NETBIOS name for user associations might fail. Instead, the domain name might appear. The issue occurs when the NETBIOS name uses the wrong URL. [LC9393]

HDX MediaStream Flash Redirection

  • With HDX MediaStream Flash Redirection enabled, when you reconnect a VDA session with Qumu.com, the Flash content might not be loaded in Microsoft Internet Explorer. [LC9193]

Installer

  • Attempts to change the installation directory path in Delivery Controller might not work for XaXdProxy.msi. [LC8691]

Linux VDA

  • Registration of a Linux VDA using the Delivery Controller might fail intermittently. [LC7982]

  • Citrix Director 7.13 that is running on a Red Hat Enterprise Linux Server 7.3 might not show the session details of the machine. The following error message appears:

    “Cannot retrieve the data.” [LC8204]

  • 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]

  • The ctxhdx process might exit unexpectedly with a segfault error when the session is connected to a Linux VDA. [LC8611]

  • When using the Linux VDA 7.16 Early Access Release, the broker agent might fail to get the application name. This failure causes Director to display the error Agent Requested, after which re-registration starts. [LC9243]

Profile Management

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

Provisioning Services

  • When using a Provisioning Server with the Finnish locale installed, attempts to create virtual machines using the XenDesktop Setup Wizard might fail and the following error message appears:

    “The bdmCreated field is not formatted properly, the correct format is YYYY-MM-DD HH:MM.” [#LC7866]

  • When the Boot Device Manager (BDM) is configured for the DHCP Discover, Offer, Request and Acknowledge (DORA) process, the process might not complete. The issue occurs when the DHCP relay sends the “OFFER” packet as a UNICAST packet. [#LC8130]

  • The trust relationship of the Linux target device might be lost with Active Directory, when the machine account password for the target device expires. [#LC8331]

  • Target devices cannot start correctly and as a result keep on restarting. [#LC8358]

  • A target device that is part of a Delivery Group fails to boot after upgrading from a previous PVS version. [#LC8378]

  • The XenDesktop Setup Wizard might attempt to connect to an incorrect Hyper-V Host. The issue occurs when there are multiple clusters managed by the same System Center Virtual Machine Manager (SCVMM) server. [#LC8415]

  • The response of the configuration wizard and Provisioning Services Console operations might be slow or the Console might time out in an Active Directory environment. [#LC8692]

  • Target devices might randomly stop communicating with the Provisioning Server during the initial read operation from the personal vDisk (single I/O stage). [#LC8745]

  • When you attempt to copy and paste the vDisk properties between two vDisks, the properties might not be pasted on the second vDisk. [#LC8767]

  • This enhancement is a backport of functionality introduced in Provisioning Services 7.17. It is included in response to customer requests. For more information, see Enhanced multi-tier Active Directory group search. [#LC9064, #LC9066]

  • The Stream Service might exit unexpectedly while the Provisioning Server appears to be down in the Servers node. [#LC9138]

  • Target devices might become unresponsive. [#LC7911]

  • A Unified Extensible Firmware Interface (UEFI) target device might experience a fatal exception, displaying a blue screen, on CVhdMp.sys with stop code 0x0000007E. This exception might occur when you start a UEFI target device from a vDisk configured with NIC teaming. [#LC8548]

  • Target devices might become unresponsive. [#LC8897]

  • Microsoft Windows 10 v1709 might experience a fatal exception, displaying a blue screen when present in private mode. [#LC8979] Microsoft Windows 10 v1709, 32 bit cannot start from a vDisk in private image mode. [#LC8980]

  • Target devices that are running on Microsoft Windows 10 might become unresponsive at the Getting devices ready screen while restarting. [#LC8844]

  • Target devices might become unresponsive at the Windows logo or the splash screen. [#LC9104]

StoreFront

  • With the “Auto launch desktop” setting enabled, the “Multiple launch prevention” option might not work. As a result, subsequent requests to launch the same instance of the desktop fail. [LC7430]

  • After upgrading StoreFront 2.6 installed on a non-default drive, users’ application subscription data might not be retained. [LC8046]

  • After you restart the StoreFront MMC console, the value of the Show desktop viewer check box might be incorrectly displayed. [LC8520]

  • If you execute a Set-STFWebReceiverSiteStyle command with a PNG file (transparency is supported) to customize StoreFront, the PNG file is converted to a JPEG file. The JPEG file format might lose transparency support. [LC8677]

  • If you execute a Set-STFWebReceiverApplicationShortcuts command to set the trusted URLs for application shortcuts in Citrix Receiver for Web sites, a forward slash (“/”) might be added to the end of the URL. [LC8761]

  • When you use the Set-STFWebReceiverSiteStyle command to customize StoreFront, the style.css might be changed incorrectly in the Custom folder. As a result, the StoreFront console is not able to read the customization. [LC8776]

  • Authentication failure might occur on the StoreFront servers. The issue occurs because of TCP dynamic port exhaustion. [LC8795]

  • Attempts to change the StoreFront logo using the Set-STFWebReceiverSiteStyle command might fail. [LC8994]

  • Attempts to upgrade StoreFront might fail when read only files are present within the custom file directory of any instance of Citrix Receiver for Web sites. [LC9252]

VDA for Desktop OS

HDX 3D Pro

  • With HDX 3D Pro and custom resolution enabled on a VDA that is running on Microsoft Windows 10, a gray screen might appear intermittently when you log on. [LC8417]

HDX MediaStream Flash Redirection

  • With HDX MediaStream Flash Redirection enabled, when you reconnect a VDA session with Qumu.com, the Flash content might not be loaded in Microsoft Internet Explorer. [LC9193]

HDX MediaStream Windows Media Redirection

  • With HDX MediaStream Windows media Redirection disabled, attempts to open certain video file formats through Windows Media Player can cause the video that is playing to be vertically flipped. [LC9194]

HDX RealTime

  • RealTime Connector is installed. When using applications that use a redirected webcam, such as Skype for Business, the webcam that is installed on a VDA for Desktop OS might be redirected and detected during an initial session launch. However, when you reconnect to the user session, the webcam is no longer detected. The issue occurs when RealTime Media Engine is not installed on the user device. [LC8793]

Keyboard

  • When you start an application on an Android device and you are in the text field, the keyboard might not appear automatically. Also, you must always touch the keyboard button for opening or closing. [LC8936]

Printing

  • Attempts to print on both sides of the paper with the printer settings using Microsoft Word might fail. [LC7501]

  • Attempts to print a document from a published instance of Microsoft Internet Explorer might fail. [LC8093]

  • With French as the display language installed on a VDA, attempts to print a document might fail. [LC8209]

  • A printer that is redirected from a user device might not be redirected after you reconnect to the session. [LC8762]

  • Attempts to restart the Citrix Print Manager service (cpsvc.exe) might fail when you stop the Print Spooler service while launching the first session. [LC9192]

Session/Connection

  • When reading a file from a mapped client drive, the old, cached file length might be returned if the file length was changed outside of the client session. Additionally, null characters are inserted for any deleted characters.

    To enable the fix, set the following registry value to “0”:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\picadm\Parameters; Name: CacheTimeout; Type: REG_DWORD; Value: Default value is 60 seconds. If CacheTimeOut is set to “0,” the file length is reloaded immediately and if not it is loaded after the defined timeout. [LC6314]

  • A session running on a VDA for Desktop OS might become unresponsive when using legacy graphics mode. When the issue occurs, you might not be able to update anything on the Desktop Viewer, but the Desktop Viewer is not in an unresponsive state. Also, after 30-60 minutes, the previously unresponsive session recovers. [LC7777]

  • When you launch an application with session lingering enabled, the session might log off after the application appears. [LC8245]

  • When you attempt to start a VDA for Desktop OS, the desktop might start and then disappear after a few seconds. [LC8373]

  • 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]
  • Changes you make to Advanced System Settings under Visual Effects apply to the current VDA for Desktop OS session but might not be retained for subsequent sessions. To make such changes persistent, set the following registry key:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Citrix; Name: EnableVisualEffect; Type: DWORD; Value: 1 [LC8049, LC8658]

  • After you disconnect a session, monitor1 might incorrectly display as the primary monitor on the next local log on. This behavior might occur when you log on locally to a Remote PC Access VDA in a multi monitor environment and configure monitor2 as the primary monitor, connect through a user device, and then disconnect a session using the Desktop Viewer. [LC8675]

  • When you attempt to start a published application that is running on Microsoft Windows Server 2012 or 2016, you might be locked out. [LC8681]

  • When you start an application in multi-monitor environment, a logon banner might appear that encompasses both monitors. When using a single monitor, the logon banner window is shown in full screen. [LC8741]

  • With Local App Access enabled, when you attempt to open applications on the published desktops that are running on Microsoft Windows 10, the applications cannot be minimized. [LC8813]

  • The DLP software might fail to scan files with the UNC link. [LC8893]

  • After you start a published application, the Num Lock key does not work. The issue occurs when the LED of the Num Lock key is visible on the user device but numbers are not working inside a user session. The issue occurs in certain scenarios when the client requested LED update comes earlier than the time the newly created remote desktop initializes its LED state. When this happens, the WinsStation might not update its LED state and the LED state is out of sync between endpoint and VDA. [LC8921]

  • Attempts to start applications and desktops might fail. The issue occurs when the VDA for Server OS becomes unresponsive.

    To enable the fix, set the following registry key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\SmartCard; Name: EnableSCardHookVcResponseTimeout; Type: DWORD; Value: 1 [LC8969]

  • Attempts to open VM hosted applications might fail. [LC9001]

  • Attempts to reconnect to a session might fail. [LC9040]

  • When you use the WFAPI SDK WFQuerySessionInformation command in a session to retrieve the installed VDA version information, the command might not work. [LC9041]

  • After upgrading XenApp and XenDesktop from Version 7.14 through 7.15, attempts to switch between the tabs of a published application might cause the application to become unresponsive. Also, if you resize the seamless window to a smaller size and then expand the window, it takes some time to paint all the elements within the window. [LC9078]

  • A published application might close intermittently immediately after you start the application. [LC9167]

  • When reconnecting to a seamless application within a Millennium suite with a different screen resolution than the initial connection, the application might resize incorrectly. As a result, the window might be truncated. [LC9214]

  • Attempts to connect to a Windows 10 Version 1709 published desktop through a user device might result in a gray screen. When you attempt to connect through the hypervisor’s console to a published desktop, a black screen with a spinning wheel appears. However, connecting through an RDP to a published desktop works successfully. [LC9215]

  • Attempts to start applications from Citrix Receiver for Mac might fail. The issue occurs when the client license (LicenseRequestClientLicense) cannot be fetched. [LC9286]

  • With HDX 3D Pro enabled, attempts to start a XenDesktop might fail intermittently. The issue occurs when there is a GPU failure. [LC9343]

  • The session display from a user session to an unmanaged Remote Desktop session might be incorrect when smooth roaming. [LC9471]

Smart Cards

  • When using a smart card, certain third-party applications might become unresponsive instead of showing the PIN prompt. [LC8805]

System Exceptions

  • Servers might experience a fatal exception, displaying a blue screen, on picadm.sys with bugcheck code 0x22. [LC6177]

  • Servers might experience a fatal exception, displaying a blue screen, on picadm.sys with bugcheck code 0x00000050 (PAGE_FAULT_IN_NONPAGED_AREA). [LC6985]

  • Servers might experience a fatal exception, displaying a blue screen, on picadm.sys with bugcheck code 0x22. [LC7574]

  • Servers might experience a fatal exception on vdtw30.dll and display a blue screen with stop code SYSTEM_SERVICE_EXCEPTION (3b). [LC8087]

  • Servers might experience a fatal exception, displaying a blue screen, on pdcrypt2.sys with bugcheck code 0x3B. The issue occurs when launching a VDA. [LC8328]

  • With HDX 3D Pro and GPU hardware encoding enabled and when using the NVIDIA GPUs, the Citrix software graphics process (Ctxgfx.exe) might exit unexpectedly. The issue occurs when using high resolution screens. LC8435]

  • The VDA for Server OS might experience a fatal exception on picadm.sys and display a blue screen. [LC8708]

  • VDAs might experience a fatal exception on picadm.sys and display a blue screen with bugcheck code 0x22. [LC8749]

  • When you log on for the first time after restarting the VDA, an unexpected access violation exception might occur. The Citrix software graphics process (Ctxgfx.exe) exits unexpectedly. As a result, the quality of the image and text appearing in the VDA might be blurry. [LC9005]

  • 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. [LC9076]

User Experience

  • When you copy content from any application that is running on a client and paste it into an application in a user session, that content might not be pasted. Also, the Paste button might be disabled. [LC8516]

  • The screen might not refresh with the logon prompt after you attempt to log on to a session that was locked previously. [LC8774]

User Interface

  • Desktop wallpaper appears even after setting the “Desktop wallpaper” policy to “Prohibited.” [LC8398]

Miscellaneous

  • This fix addresses minor performance and quality improvements for Enlightened Data Transport (EDT). [LC9278]

VDA for Server OS

HDX MediaStream Windows Media Redirection

  • With HDX MediaStream Windows media Redirection disabled, attempts to open certain video file formats through Windows Media Player can cause the video that is playing to be vertically flipped. [LC9194]

HDX RealTime

  • RealTime Connector is installed. When using applications that use a redirected webcam, such as Skype for Business, the webcam that is installed on a VDA for Desktop OS might be redirected and detected during an initial session launch. However, when you reconnect to the user session, the webcam is no longer detected. The issue occurs when RealTime Media Engine is not installed on the user device. [LC8793]

Keyboard

  • When you start an application on an Android device and you are in the text field, the keyboard might not appear automatically. Also, you must always touch the keyboard button for opening or closing. [LC8936]

Printing

  • Attempts to print on both sides of the paper with the printer settings using Microsoft Word might fail. [LC7501]

  • Attempts to print a document from a published instance of Microsoft Internet Explorer might fail. [LC8093]

  • With French as the display language installed on a VDA, attempts to print a document might fail. [LC8209]

  • Attempts to restart the Citrix Print Manager service (cpsvc.exe) might fail when you stop the Print Spooler service while launching the first session. [LC9192]

Server/Site Administration

  • The Citrix Stack Control Service (SCService64.exe) might exit unexpectedly when the VDA checks for the group membership of the user when there are two or more groups with the same name in multiple domains. The issue occurs when the string “DnsDomainName” is empty in the DS_DOMAIN_TRUSTSW structure. [LC8484]

Session/Connection

  • The following warning message might appear in the system event log when launching XenApp 7.6 Long Term Service Release Cumulative Update 2 VDA for Server OS or the previous versions:

    “An attempt to connect to the SemsService has failed with error code 0x2.” [LC6311]

  • When reading a file from a mapped client drive, the old, cached file length might be returned if the file length was changed outside of the client session. Additionally, null characters are inserted for any deleted characters.

    To enable the fix, set the following registry value to “0”:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\picadm\Parameters; Name: CacheTimeout; Type: REG_DWORD; Value: Default value is 60 seconds. If CacheTimeOut is set to “0,” the file length is reloaded immediately and if not it is loaded after the defined timeout. [LC6314]

  • After undocking a laptop, session sharing might fail. The issue occurs when the VDA reregisters with the Delivery Controller while an-out-of-order notification is triggered during auto client reconnect. [LC7450]

  • A session running on a VDA for Desktop OS might become unresponsive when using legacy graphics mode. When the issue occurs, you might not be able to update anything on the Desktop Viewer, but the Desktop Viewer is not in an unresponsive state. Also, after 30-60 minutes, the previously unresponsive session recovers. [LC7777]

  • After closing a published application with an App-V client installed on the VDA and the configuration settings “EnablePubilishingRefreshUI” and “Session Lingering” enabled in the session, a black window might remain open on an iOS device. The issue occurs when the session is in active lingering state. [LC8080]

  • When you launch an application with session lingering enabled, the session might log off after the application appears. [LC8245]

  • Servers might become unresponsive on RPM.dll and the following error message appears:

    “Event ID 1009, picadm: Timeout waiting for response message from client” [LC8339]

  • 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]
  • Citrix Director might report multiple connection failures. The issue occurs when the expansion of groups assigned to control the limited visibility of an application is used for each user. This expansion process takes a long time to complete and can be observed in large networks having many groups that span multiple domains. [LC8652]

  • The COM ports might fail to map on Version 7.15 of the VDAs. [LC8656]

  • When you attempt to start a published application that is running on Microsoft Windows Server 2012 or 2016, you might be locked out. [LC8681]

  • When you start an application in multi-monitor environment, a logon banner might appear that encompasses both monitors. When using a single monitor, the logon banner window is shown in full screen. [LC8741]

  • With Local App Access enabled, when you attempt to open applications on the published desktops that are running on Microsoft Windows 10, the applications cannot be minimized. [LC8813]

  • When you connect a user device to a VDA, the desktop might not be displayed. Instead, a gray screen appears on the desktop. [LC8821]

  • The DLP software might fail to scan files with the UNC link. [LC8893]

  • After you start a published application, the Num Lock key does not work. The issue occurs when the LED of the Num Lock key is visible on the user device but numbers are not working inside a user session. The issue occurs in certain scenarios when the client requested LED update comes earlier than the time the newly created remote desktop initializes its LED state. When this happens, the WinsStation might not update its LED state and the LED state is out of sync between endpoint and VDA. [LC8921]

  • Attempts to start applications and desktops might fail. The issue occurs when the VDA for Server OS becomes unresponsive.

    To enable the fix, set the following registry key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\SmartCard; Name: EnableSCardHookVcResponseTimeout; Type: DWORD; Value: 1 [LC8969]

  • Attempts to open VM hosted applications might fail. [LC9001]

  • When you use the WFAPI SDK WFQuerySessionInformation command in a session to retrieve the installed VDA version information, the command might not work. [LC9041]

  • After upgrading XenApp and XenDesktop from Version 7.14 through 7.15, attempts to switch between the tabs of a published application might cause the application to become unresponsive. Also, if you resize the seamless window to a smaller size and then expand the window, it takes some time to paint all the elements within the window. [LC9078]

  • A published application might close intermittently immediately after you start the application. [LC9167]

  • When reconnecting to a seamless application within a Millennium suite with a different screen resolution than the initial connection, the application might resize incorrectly. As a result, the window might be truncated. [LC9214]

  • Attempts to start applications from Citrix Receiver for Mac might fail. The issue occurs when the client license (LicenseRequestClientLicense) cannot be fetched. [LC9286]

Smart Cards

  • When using a smart card, certain third-party applications might become unresponsive instead of showing the PIN prompt. [LC8805]

System Exceptions

  • Servers might experience a fatal exception, displaying a blue screen, on picadm.sys with bugcheck code 0x22. [LC6177]

  • Servers might experience a fatal exception, displaying a blue screen, on picadm.sys with bugcheck code 0x00000050 (PAGE_FAULT_IN_NONPAGED_AREA). [LC6985]

  • Servers might experience a fatal exception, displaying a blue screen, on picadm.sys with bugcheck code 0x22. [LC7574]

  • The Service Host (svchost.exe) process might experience an access violation and exit unexpectedly. The issue occurs because of the faulting module, icaendpoint.dll. [LC7694]

  • Servers might experience a fatal exception on vdtw30.dll and display a blue screen with stop code SYSTEM_SERVICE_EXCEPTION (3b). [LC8087]

  • Servers might experience a fatal exception, displaying a blue screen, on pdcrypt2.sys with bugcheck code 0x3B. The issue occurs when launching a VDA. [LC8328]

  • With HDX 3D Pro and GPU hardware encoding enabled and when using the NVIDIA GPUs, the Citrix software graphics process (Ctxgfx.exe) might exit unexpectedly. The issue occurs when using high resolution screens. [LC8435]

  • Servers might experience a fatal exception, displaying a blue screen, on icardd.dll with bugcheck code 0x0000003B. [LC8492]

  • The VDA for Server OS might experience a fatal exception on picadm.sys and display a blue screen. [LC8708]

  • Servers might experience a fatal exception, displaying a blue screen, on icardd.dll with bugcheck code 0x0000003B. [LC8732]

  • VDAs might experience a fatal exception on picadm.sys and display a blue screen with bugcheck code 0x22. [LC8749]

  • When you log on for the first time after restarting the VDA, an unexpected access violation exception might occur. The Citrix software graphics process (Ctxgfx.exe) exits unexpectedly. As a result, the quality of the image and text appearing in the VDA might be blurry. [LC9005]

  • 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. [LC9076]

User Experience

  • When you copy content from any application that is running on a client and paste it into an application in a user session, that content might not be pasted. Also, the Paste button might be disabled. [LC8516]

  • On the VDA for Server OS, the mouse cursor might disappear from the session. This issue occurs when the cursor changes to the Text Select cursor and the background color is the same as the color of the Text Select cursor. The default background color in Microsoft Windows for editable areas is white, while the default Text Select cursor color is also white. As a result, the cursor might no longer be visible. [LC8807]

  • Microsoft Windows might continue to retain the editable password field during session logon even after submitting the correct credentials. [LC9407]

User Interface

  • Desktop wallpaper appears even after setting the “Desktop wallpaper” policy to “Prohibited.” [LC8398]

Miscellaneous

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

  • RunOnce registry keys might not be implemented correctly. [LC9260]

  • This fix addresses minor performance and quality improvements for Enlightened Data Transport (EDT). [LC9278]

Virtual Desktop Components - Other

  • The LastPasswordset attribute on Active Directory might not update correctly when using the VDA version 7.15 LTSR. [lC8387]

  • After the Delivery Controller is upgraded to Version 7.15, active sessions for anonymous users show that a logon is in progress. This situation results in an incorrect load index for the VDA. [LC8771]

  • Started applications might not appear in the Activity Manager in Citrix Director in a double hop scenario. [LC8985]

  • Registration status between the Delivery Controller and the VDA might be inconsistent, causing re-registration when the VDA launches. [LC9216]

Miscellaneous

When the Citrix Telemetry Service is disabled or stopped, and you use a metainstaller to upgrade XenApp and XenDesktop 7.15 LTSR to Cumulative Update 1 (CU1), the following warning message might appear:

“We cannot start the Citrix service that enables you to enroll in Call Home. See CTX218094 for guidance.” [LCM-3642]