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Microsoft, SBS 2011, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Small Business Server 2011, Windows, Windows 7, Windows Server 2008 R2

Mstsc.exe – Pre Service Pack 2 Revision History for Windows 7 SP1, Windows Server 2008 R2 SP1 and Windows Small Business Server 2011 (SBS 2011)

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Mstsc.exe – Pre Service Pack 2 Revision History for Windows 7 SP1, Windows Server 2008 R2 SP1 and Windows Small Business Server 2011 (SBS 2011)

13-Apr-2013 – 6.1.7601.22298 – Mstsc.exe – x64 – http://support.microsoft.com/kb/2835429 – The taskbar is hidden when a screen resolution of 1366 x 768 is used for a RemoteApp application that is running on Windows Server 2008 R2

15-Feb-2013 – 6.1.7601.22252 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2813347 – MS13-029: Description of the security update for Remote Desktop Connection 7.0 Client: April 9, 2013

10-Jan-2013 – 6.1.7601.22214 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2798286 – RemoteApp application session disconnects from a client computer that is running Windows 7 or Windows Server 2008 R2

10-Oct-2012 – 6.1.7601.22131 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2769372 – Windows Remote Assistance fails in Windows 7 SP1 or Windows Server 2008 R2 SP1

03-Dec-2011 – 6.1.7601.21872 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2648397 – You cannot change an expired user account password in a Remote Desktop session from a client computer that is running Windows 7 or Windows Server 2008 R2

24-Nov-2011 – 6.1.7601.21866 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2617687 – Applications or services that start multiple Remote Desktop Services sessions crash in Windows 7 or in Windows Server 2008 R2

05-Nov-2011 – 6.1.7601.21855 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2614136 – Some windows of a Remote Desktop Services (Terminal Services) RemoteApp application might not be displayed correctly in Windows 7 or in Windows Server 2008 R2

02-Sep-2011 – 6.1.7601.21809 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2585853 – Choppy video playback when you play a high-definition video over a remote desktop connection in Windows 7 or in Windows Server 2008 R2

16-Jul-2011 – 6.1.7601.21772 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2582172 – Remote desktop is not displayed in Full-Screen mode when the screen resolution is 1366× 768 pixels in Windows 7 or in Windows Server 2008 R2

15-Jul-2011 – 6.1.7601.21771 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2579381 – A remote desktop session does not respond to keyboard input or mouse input after it loses the focus in Windows 7 or in Windows Server 2008 R2

23-May-2011 – 6.1.7601.21732 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2522762 – RemoteApp application does not work correctly from RD Web Access in Windows 7 or in Windows Server 2008 R2

23-Mar-2011 – 6.1.7601.21690 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2526629 – The logon message is not displayed correctly when you connect to a RemoteApp application from a computer that has multiple monitors and that is running Windows 7 or Windows Server 2008 R2

19-Mar-2011 – 6.1.7601.21687 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2524668 – The single sign-on feature does not work in Windows 7 or in Windows Server 2008 R2 when you try to start a full remote desktop connection through RD Web Access

19-Mar-2011 – 6.1.7601.21687 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2522743 – You cannot use a calendar control in a RemoteApp application when you use the RDC 7.0 client to connect to the RemoteApp application from a computer that is running Windows 7 or Windows Server 2008 R2

18-Dec-2010 – 6.1.7601.21624 – Mstsc.exe – x86/x64 – http://support.microsoft.com/kb/2446026 – An application that uses the Remote Desktop Connection ActiveX control to provide virtualized sessions crashes in Windows Server 2008 R2 or in Windows 7

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Remote Desktop Sessions Pause Or Exhibit Unresponsiveness – Lag Whilst Typing And Session Will Not Accept Mouse Inputs

Remote Desktop Services can be extremely useful, allowing users to access a terminal server or their company desktop computer from another location.  One very common complaint with RDP sessions is screen refresh delays and a delay when typing or trying to click on items using the mouse cursor.  It will appear to most that the session has become unresponsive for a period of 5-20 seconds, after this delay the session will return to normal for a period of several minutes before once again becoming unresponsive.  You may find that this issue becomes more apparent as more users connect to the specific terminal server in question and if all these users utilise several applications (i.e. Outlook, Word and Excel) together.

Causes for poor user experience when connected via RDP are varied but one of the most common is resource exhaustion or contention.  This in turn causes a delay in processing that appears as a pause or unresponsiveness.

Check that your computer or terminal server has sufficient Memory to cope with the current load.

The next thing to verify by using performance monitor is that the PhysicalDisk\% Idle Time is consistently high, that’s correct this should be 90-100% when the server is not very busy.

It is worth running performance monitor using the PhysicalDisk\% Idle Time counter whilst you are seeing the slowdowns, this will help identify if your hard disk or controller are causing contention and in turn the pausing or unresponsiveness.

If you do find that the “%Idle Time” keeps going very low then it’s time to consider some of the options below to help resolve the issue

  • Install a second drive or mirror set, move the Windows Page File to this second disk/array to reduce the load on the drive/array holding your operating system
  • Install additional memory into the computer or server, this will reduce paging to disk and will generally improve overall system performance
  • Migrate to or upgrade your existing RAID controller to a unit that had a Battery Backed Cache (Fast) or Flash Backed Cache (Newer – Faster) to significantly improve performance and alleviate the system
  • Migrate to faster hard disk drives, 7200, 10,000 or 15,000 RPM drives are amongst the fastest.  The SATA interface is slower than the SAS interface but is cheaper.  Try to invest in the fastest drives that you can to future proof the system and avoid future performance issues if you have to scale for more users.
  • Ensure that you have at least 20-25% free disk space on all partitions/drives
  • Defragment all drives on a regular basis to optimise read and write operations
  • A cheap solution for improving disk performance may be to turn on the Hard Disk Cache using “Device Manager” or in the event that you are using a RAID controller without a battery backed Cache module you will need to open the RAID Array Management Software and then enable Disk Cache within the management software as this feature will not be available within “Device Manager” in this instance.  Please note that this does have some risks and should be used with caution, you may loose data in the event of a sudden/unexpected loss of power to the system.  Consider using this option with a UPS and redundant power supplies to reduce the risk of power loss to the system.  As always ensure you have a reliable backup that is carried out at regular intervals.

Example – HP RAID Array Configuration Utility:

Example – Windows Device Manager: