5.1 Troubleshooting Windows Devices

Unable to override the screen saver on the managed device

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: When a password-protected screen saver is activated on the managed device prior to the start of a Remote Control session, the Remote Management service attempts to override the screen saver to enable the remote operator to view the user desktop. The remote operator can also override the screen saver during the remote session by clicking the Override Screen Saver icon on the Remote Management viewer toolbar.
Possible Cause: If the screen saver activates because of the inactivity of the remote session.
Action: Click the Override Screen Saver icon on the Remote Management viewer toolbar. You might have to click the icon a few times till it overrides.
Possible Cause: Overriding the Screen Saver feature is not supported on a Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device, and Windows 8.
Action: None.
Possible Cause: The screen saver might be interrupted if any mouse movements are sent to the managed device.
Action: Select the Block mouse move events option in the ZENworks Remote Management viewer options window to prevent the mouse movements from being sent to the managed device.
Possible Cause: The graphical identification and authentication (GINA) on the managed device is activated because of the interruption of the screen saver on the managed device.
Action: Log in to the managed device again.

During a Remote management session, if you log off and then log in to the Windows 2000 professional machine, the wallpaper set on the machine might not be restored.

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Action: None.

Unable to launch a remote session on the managed device that is running on a very low color quality

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: You might not be able to launch Remote control, Remote View, or Remote Diagnostics session on a managed device that is running on a very low color quality (less than 8 bits per pixel (bpp)).
Action: Increase the color quality of the device to 16 bpp or higher by using the following procedure:

  1. Right-click the desktop.

  2. Click Properties.

  3. In the Display Properties window, click Settings.

  4. Select the appropriate color quality, then click OK.

Unable to launch the Remote Management viewer

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Possible Cause: The Remote Management viewer might not be launched if the Remote Management viewer executable file is deleted or renamed.
Action: Reinstall the Remote Management viewer by downloading the latest version of novell-zenworks-rm-viewer.msi from https://ZENworks_server_IPaddress/zenworks-remote-management.

Abnormal Session Termination might fail on a Windows Vista, Windows 7, Windows Server 2008, Windows Server 2008 R2 managed device, or Windows 8

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: During a remote session, if the user disables the network connection on a Windows 8, Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 managed device, ZENworks might not detect it as an abnormal termination and might not lock the device or log out the user on the managed device.
Action: None.

The Remote Management Listener fails to accept the remote session requests from the managed device, if the port at which the listener binds is not opened in the management console firewall.

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Action: In the management console firewall, open the listener port.

Troubleshooting error messages encountered while using the Remote Management component

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Action: To troubleshoot the error messages encountered while using the Remote Management component, send the following log files to Novell Support:

  • WinVNCApp.log and WinVNC.log files for Windows 8, Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device

  • WinVNC.log file for other managed devices

To access the log file:

  1. Open the Registry Editor.

  2. Go to HKLM\Software\Novell\ZCM\Remote Management\Agent.

  3. Create a DWORD called DebugMode, and set value to 2.

  4. Create a DWORD called DebugLevel, and set the hexadecimal value to a (decimal value equals 10).

  5. Restart the Remote Management Service.

The following Remote Management log files are created under ZENworks_installation_directory\logs:

  • WinVNC.log

  • WinVNCApp.log

How do I enable Remote Management debug log on the device launching the ZENworks Control Center

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Action: To enable the logs, see TID 3418069

Install a new version of the Mirror driver

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Possible Cause: When you install the ZENworks Adaptive Agent on a Windows 2003 64-bit managed device, the Mirror driver is not installed on the device. The message Install new version of the Mirror driver is logged in ZENworks Control Center.

You can perform remote sessions on the device, but the performance slows down.

Action: Ignore this message.
Possible Cause: If you remotely control a device which is already connected using Remote Desktop Connection (RDP), the message Install new version of the Mirror driver is logged in ZENworks Control Center.

You can perform remote sessions on the device, but the performance slows down.

Action: Ignore this message.

The managed device was unable to initialize Novell encryption scheme for the session. Ensure that the managed device is UTC time synchronized with this system. If the problem persists, contact Novell Technical Services

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Possible Cause: The managed device has been upgraded or registered and this information might not be updated in the registry of the managed device.
Action: When the managed device is upgraded or registered, do the following:

  1. Update the domain name of the new CA certificate in the registry with the new details:

    Key: HKLM\Software\Novell\ZCM

    Value: CASubject

  2. Import the CA certificate of the new zone to the trusted root certificatestore.

  3. Remove the CA certificate of the old zone from the trusted root certificatestore.

Possible Cause: The managed device has been moved to a new Management Zone.
Action: Manage the device from the new Management Zone.

Applications such as Regedit when launched on 64-bit managed device through Remote Execute will not have access to certain registry keys

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Possible Cause: Applications launched on 64-bit managed device using Remote Execute runs in Windows On Windows (WOW) environment.
Action: Launch the applications using Remote Diagnostics.

Blank screen option might fail to work while remote controlling a Windows device

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Possible Cause: The legacy drivers of Windows do not allow blank screen power option.
Action: You must install the system-specific graphics driver.

On launching a remote management session on a Windows 2000 Professional managed device, the device reboots

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Possible Cause: The video driver is not installed on the device.
Action: You must install the system-specific video driver.

Multiple instances of the Remote Management viewer are launched on the device that has the Internet Explorer 7 browser

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Possible Cause: If you launch a Remote Management operation on a device that has the Internet Explorer 7 browser, multiple instances of the viewer are launched on the device if download accelerator software such as FlashGet is installed on the management console.
Action: Temporarily disable the add-ons for the download accelerators:

  1. Launch the Internet Explorer 7 browser.

  2. Click Tools > Manage Add-ons.

  3. Click Enable or Disable Add-ons, then disable the add-on for the download accelerator.

  4. Launch the Remote Management operation.

Action: Try using the Firefox browser to perform the operation.

Unable to use the Ctrl-Alt-Del icon while remotely controlling a Windows 8, Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you launch a Remote Control operation on a Windows 8, Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device that has User Account Control (UAC) disabled, the Ctrl-Alt-Del icon is dimmed.
Action: Either enable the UAC or perform the following steps to edit the Windows Group Policy settings:

  1. Click Start > Run.

  2. In the Run dialog box, specify gpedit.msc and click OK.

  3. In the Group Policy Editor, double-click Computer Configuration > Administrative Templates > Windows Components > Windows Logon Options > Disable or enable software Secure Attention Sequence.

  4. In the Disable or enable software Secure Attention Sequence Window, click Enabled.

  5. In the Set which software is allowed to generate the Secure Attention Sequence option, select Services and Ease of Access applications.

  6. Click OK.

The default session mode is not selected in the Remote Management snap-in

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you use Internet Explorer to open ZENworks Control Center and perform a Remote Management operation on a device, the default session mode is not selected in the Remote Management snap-in. However, if you do not select any session mode, the Remote Control operation is launched in the default collaborate mode and the Remote View operation is launched in the default exclusive mode.
Action: Select the session mode to perform the Remote operation.

The Install Remote Management Viewer link remains active on a Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device that has the Internet Explorer 7 browser

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: On a Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device that has the Internet Explorer 7 browser, the Remote Management Viewer might fail to install if the ActiveX control is not activated.
Action: Do the following to turn on User Account Control (UAC) on the Vista device:

  1. Click Start > Settings > Control Panel > User Accounts > > User Accounts > Turn User Account Control On or Off.

  2. Select Use User Account Control (UAC) to help protect your computer.

  3. Click OK.

Action: If you do not want to turn on the UAC on the Windows Vista device, you should upgrade to Windows Vista SP1.

Installation of the Remote Management viewer might fail

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: The Remote Management viewer installation might fail. This error is inherent to the MSI framework.
Action: Perform either of the following steps:

  • Uninstall the Remote Management viewer by using Add/Remove Programs, then reinstall it

  • Use the Microsoft Windows Installer Cleanup Utility to clean up the application, then reinstall it. This utility can be downloaded from Microsoft Support

The Remote Management viewer fails to launch on a Windows 8, Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: On Windows 8, Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device, the Remote Management viewer fails even though the security prompt is successfully completed.
Action: Add the server running ZENworks Control Center to the list of trusted sites and retry.

During the Remote Control session, clicking the Ctrl+Alt+Del icon in the Remote Management viewer might display the Secure Attention Sequence window without any controls

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Action: Click the Ctrl+Alt+Del icon in the Remote Management viewer, then press the Esc key to exit the Secure Attention Sequence (SAS) window. Then, click the Ctrl+Alt+Del icon again in the Remote Management viewer.

The desktop of a device might not be visible when you remotely control or remotely view the device

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you remotely control or remotely view a Windows XP or Windows 2003 device on which an RDP session was performed, you might see a black screen rather than the desktop of the device.
Action: To view the desktop of the device:

  1. Manually unlock the desktop.

Unable to remotely transfer files to restricted folders on a Windows 8, Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you launch a File Transfer operation to remotely transfer files to restricted folders on a Windows 8, Windows XP, Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2 device that has User Account Control (UAC) enabled, the operation fails.
Action: Do the following to turn off User Account Control (UAC) on the Windows Vista device:

  1. Click Start > Settings > Control Panel > User Accounts > > User Accounts > Turn User Account Control On or Off.

  2. Deselect Use User Account Control (UAC) to help protect your computer.

  3. Click OK.

Action: Do the following to turn off User Account Control (UAC) on the Windows 7 device:

  1. Click Start > Control Panel > User Accounts > > Change User Account Control Settings.

  2. Slide the slider bar to the lowest value (towards Never Notify) with description displaying Never notify me.

  3. Click OK.

  4. Restart the device.

Unable to remotely control Remote Desktop Protocol session on Windows 8, Windows 7, Windows Vista, Windows 2008, or Windows 2008 R2 devices

Source: ZENworks 11; ZENworks Configuration Management; Remote Management
Explanation: You cannot remotely control an RDP session on Windows 8, Windows 7, Windows Vista, Windows 2008, or Windows 2008 R2 devices.
Possible Cause: The Windows architecture on these devices prevents desktop capture when an RDP session is active.
Action: There is no workaround for this issue.

Unable to download the Remote Management Viewer on a Windows device that has the Internet Explorer 9 browser

Source: ZENworks 11; ZENworks Configuration Management; Remote Management.
Explanation: If you do not have a preinstalled Remote Management Viewer you might see an error message if you try to launch ZENworks Control Center through Internet Explorer 9 to remotely control a Windows device. You cannot download the Remote Management Viewer if the link to download the Viewer displays the Remote Management Viewer file name in an incorrect format.
Possible Cause: The Do not save encrypted pages to disk option is selected in the Internet Options settings of Internet Explorer 9.
Action: To fix file name format problem and to download the RM Viewer:

  1. Launch the Internet Explorer 9 browser.

  2. Click Tools > Internet Options to display the Internet Options dialog box.

  3. Click the Advanced tab.

  4. Go to the Security option.

  5. Ensure that the Do not save encrypted pages to disk check box is not selected.

  6. Restart the browser.

For more information, see the Microsoft Support page.