Language switch fails in a RD session and shortcut menu is not displayed in a RemoteApp session in Windows 7 SP1 or Windows Server 2008 R2 SP1

Symptoms

In Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1, you experience the following issues.

Issue 1

Consider the following scenario:
  • You have a Windows 7 SP1-based or Windows Server 2008 R2 SP1-based client computer that has multiple languages configured. 
  • You create a Remote Desktop (RD) session from the client computer to a Remote Desktop Protocol (RDP) server. 
  • You press Alt+Shift or Ctrl+Shift to switch the input language in the RD session.  
In this scenario, the language switch fails.

Notes
  • This issue occurs because the Shift key sticks during the language switch.
  • When the Shift key sticks, you also experience the following behavior:
    • You cannot type the password correctly in the RD session.
    • The input language changes during typing.
    • Multiple selections occur on every click.

Issue 2

Consider the following scenario:
  • You have some Microsoft Office applications that are published as RemoteApp applications on a Remote Desktop Session Host (RD Session Host) server.
  • You connect to the RemoteApp applications from a Windows 7 SP1-based or Windows Server 2008 R2 SP1-based client computer by using Remote Desktop Protocol (RDP) 8.0.
  • In an Office application in the RemoteApp session, you press the Alt key, and then you try to use shortcut menu.
In this scenario, the shortcut menu is no longer displayed.

Cause

Cause of Issue 1

This issue occurs because of an incorrect key scan code data is sent to the server.

Cause of Issue 2

This issue occurs because modifier keys are incorrectly synchronized when you switch between windows in the same RemoteApp client process.

Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running Windows 7 SP1 or Windows Server 2008 R2 SP1.

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.
File information

Workaround

To work around issue 2, press Alt+Ctrl in the session, then the shortcut menu can be displayed again.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about RDP 8.0, click the following article number to view the article in the Microsoft Knowledge Base:
2592687 Description of the Remote Desktop Protocol 8.0 update for Windows 7 SP1 and Windows Server 2008 R2 SP1
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information
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ID articol: 2847932 - Ultima examinare: 13 iun. 2013 - Revizie: 1

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