Category Archives: Service Pack 1

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HTTP and HTTPS requests or traffic to a Windows Vista, Windows 7, Windows Server 2008, SBS 2008, Windows Server 2008 R2 or SBS 2011 machine may exhibit increased latency if the connection is through a network load balancer

If you utilise Microsoft Internet Information Services IIS or an application that uses the System.Net.HttpListener class is installed or running on one the operating systems below, and you have a Network Load Balancer then you may find that Increased latency occurs on HTTP and HTTPS requests and traffic.

This issue occurs because the HTTP and HTTPS requests from clients can include zero length data in the SSL records, certain server-side variables do not update correctly in this instance and Http.sys leaves the connection in the CLOSE_WAIT state.  This intern exhausts the open connection limit can introduce latency, timeouts and connection problems.

Affected Operating Systems:

Microsoft Windows Vista

Microsoft Windows 7

Microsoft Windows Server 2008

Microsoft Small Business Server 2008 – SBS 2008

Microsoft Windows Server 2008 R2

Microsoft Small Business Server 2011 – SBS 2011

The Microsoft Knowledge Base Article KB 2634328 includes further information on this issue and provides an updated version of Http.sys that corrects the issue http://support.microsoft.com/kb/2634328

Microsoft, SBS 2008, SBS 2011, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 2, Service Pack 2, Service Pack 2, Service Pack 2, Service Pack 3, Service Pack 3, Small Business Server 2008, Small Business Server 2011, Windows, Windows 2000, Windows 7, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP, XP Mode

Microsoft Windows Server 2008 and Microsoft Windows Server 2008 R2 DNS Server may stop responding to DNS queries and requests from client computers

Microsoft Windows Server 2008 and Microsoft Windows Server 2008 R2 DNS Server may stop responding to DNS queries and requests from client computers, this issue may occur randomly and when it is occuring the DNS Server stops responding.

This issue occurs because the DNS Server goes into an infinite loop, more information about this issue and a hotfix to address the issue is provided in Microsoft KB 2655960 http://support.microsoft.com/kb/2655960

12.2, 12.2, 5000 Series, 5000 Series, 6000 Series, 6000 Series, AMD, ATI, Catalyst, Catalyst, Microsoft, Radeon, Radeon, Service Pack 1, Service Pack 1, Service Pack 2, Windows, Windows 7, Windows Vista

ATI / AMD Catalyst 12.2 Preview Driver

ATI / AMD have released the Catalyst 12.2 preview driver you can obtain the driver from here http://support.amd.com/us/kbarticles/Pages/Catalyst122Previewdriver.aspx

The AMD Catalyst™ 12.2 Preview includes all of the features found in AMD Catalyst™ 12.1, plus additional fixes that are not included in the AMD Catalyst 12.1 release.

Highlights of the AMD Catalyst™ 12.2 Preview Windows® release includes:

IMPROVEMENTS

  • AMD Eyefinity 2.1 technology enhancements
  • Additional resolution support:   Users can now choose from a larger set of resolutions when running AMD Eyefinity
  • Dynamic Configuration Changes:  Switching between different display configurations will occur automatically when physically plugging/un-plugging displays
  • HydraVision™ enhancements:  The Windows® Task bar can now be moved and resized based on users preference
  • Profile Manager improvements:  Increased support for Display Groups (including 5×1) and Extended configurations within the Profile Manager

RESOLVED ISSUES

Resolved Issues for the Windows® 7 Operating System

This section provides information on resolved known issues in this release of the AMD Catalyst™ 12.2 Preview software suite for Windows® 7. These include:

  • Call of Duty IV no longer displays random corruption when in DirectX® 9 more and the Edge Detect filter is enabled
  • A black screen is no longer occasionally displayed when running Portal 2 in 3D mode
  • All 3d Anti Aliasing settings are now correctly listed in the Vision Control Center
  • Morphological filtering settings are now correctly listed in the Vision Control Center
  • Civilization V no longer experiences random crashes when run in DirectX® 10 and DirectX® 11 modes
  • Enabling the ‘Edge Detect’ filter in Resident Evil 5 or Just Cause 2 no longer generates a random application crash
  • Battlefield 3 no longer hangs when MSAA is enabled
  • Saints Row III no longer experiences random hangs
  • Rage no longer experiences intermittent hangs when Crossfire is enabled
  • Dragon Age 2 textures no longer flicker when run in DirectX® 9 mode in Crossfire configurations with vsync enabled
  • Crysis Warhead and Battlefield Bad Company 2 no longer experience random crashes when Crossfire is enabled
  • Texture flickering is no longer experienced when playing Battlefield Bad Company 2 in DirectX® 11 mode

KNOWN ISSUES

Known issues under the Windows® 7 operating system

The following section provides a summary of open issues that may be experienced under the Windows® 7 operating system in the latest version of AMD Catalyst™. These include:

  • Vsync may be disabled after task switching when playing Rage
  • Skipping in game cinematics while playing Dragon Age 2 in DirectX® 11 mode may cause stuttering
  • Dirt 3 may experience flickering with Crossfire enabled and run in 3D stereo mode
  • Battlefield – Bad Company 2 may experience random flickering when run in DirectX® 11 mode

Known Issues under the Windows® Vista Operating System

The following section provides a summary of open issues that may be experienced under the Windows® Vista operating system in the latest version of AMD Catalyst™. These include:

  • Windows® Aero options may be missing after installing the latest driver
"Blue Screen of Death", Blue Screen of Death, Blue Screen View, BSOD, Crash Dump, Microsoft, Nirsoft, SBS 2003, SBS 2008, SBS 2011, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 2, Service Pack 2, Service Pack 2, Service Pack 2, Service Pack 3, Service Pack 3, Small Business Server 2003, Small Business Server 2008, Small Business Server 2011, Windows, Windows 2000, Windows 7, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP, XP Mode

Troubleshoot a Blue Screen of Death BSOD or Crash Dump on a Microsoft Windows Operating System

It’s probably the thing we all dread most, evereything has been working great for weeks/months/years and then suddenly your machine starts randomly crashing to a Blue Screen of Death or BSOD

All is not lost though as Windows will often generate its own crash dump a report of what happened to cause the crash, this is often invaluable when it comes to finding the cause and fixing it.

A company called Nirsoft offer a great little utility called Blue Screen View, you can download it from here ttp://www.nirsoft.net/utils/blue_screen_view.html

This program will automatically analyse the default Mini Dump and Crash Dump locations and then pull back a summary of the driver or system file that was most likley the cause of your crash.  In many cases it’s then just a simple case of removing the offending software, updating/downgrading the device driver or installing a software patch/hotfix.