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Slow Network or Internet Download and Read Speeds using Intel Network Adapter

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You may find that Network and/or Internet speeds are very slow when using an Intel Network Adapter.

This appears to be an issue with the Speed and Duplex settings, after a Driver update or installation you may notice that the Speed and Duplex is set to 100 Mbps Full Duplex.

100 Mbps Full Duplex

 

 

 

 

 

 

 

 

 

 

When running a LAN Speed Test it only reports a Read speed of 5 Mbps and Internet Speed tests also report terrible Download rates.

LANSpeedTestSlow

 

 

 

 

 

 

 

 

 

 

Upon changing the Speed and Duplex setting to Auto Negotiation the issue is resolved

Auto Negotiation

 

 

 

 

 

 

 

 

 

LAN speed test and www.speedtest.net results after making this change both indicate the issue is resolved

LANSpeedTestFixed

speedtestresult

Microsoft, SBS 2011, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 1, Service Pack 3, Small Business Server 2011, Windows, Windows 7, Windows Server 2008 R2

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

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

06-Sep-2012 – 6.1.7601.22108 – Acpi.sys – x86/x64 – http://support.microsoft.com/kb/2752407 – Screen brightness changes and you cannot adjust the screen brightness after you resume a laptop from sleep mode in Windows 7 or Windows Server 2008 R2

06-Sep-2012 – 6.1.7601.17950 – Acpi.sys – x86/x64 – http://support.microsoft.com/kb/2752407 – Screen brightness changes and you cannot adjust the screen brightness after you resume a laptop from sleep mode in Windows 7 or Windows Server 2008 R2

07-Sep-2011 – 6.1.7601.21812 – Acpi.sys – x86/x64 – http://support.microsoft.com/kb/2601456 – Device Manager does not display a drive after you hot-swap the drive between slots on a PCI-E switch in Windows 7 or in Windows Server 2008 R2

07-Sep-2011 – 6.1.7601.17686 – Acpi.sys – x86/x64 – http://support.microsoft.com/kb/2601456 – Device Manager does not display a drive after you hot-swap the drive between slots on a PCI-E switch in Windows 7 or in Windows Server 2008 R2

08-Mar-2011 – 6.1.7601.21677 – Acpi.sys – x86/x64 – http://support.microsoft.com/kb/2508054 – “0x0000005C” Stop error code or assertion failure in the startup process if you enable Driver Verifier in Windows Server 2008 R2

08-Mar-2011 – 6.1.7601.17574 – Acpi.sys – x86/x64 – http://support.microsoft.com/kb/2508054 – “0x0000005C” Stop error code or assertion failure in the startup process if you enable Driver Verifier in Windows Server 2008 R2

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

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

05-May-2012 – 6.1.7601.21988 – Volmgr.sys – x86/x64 – http://support.microsoft.com/kb/2708857 – RDX cartridge disks are not recognized correctly in Windows 7, in Windows Vista, in Windows Server 2008, or in Windows Server 2008 R2

05-May-2012 – 6.1.7601.17836 – Volmgr.sys – x86/x64 – http://support.microsoft.com/kb/2708857 – RDX cartridge disks are not recognized correctly in Windows 7, in Windows Vista, in Windows Server 2008, or in Windows Server 2008 R2

24-Nov-2011 – 6.1.7601.21866 – Volmgr.sys – x86/x64 – http://support.microsoft.com/kb/2647409 – Remote Desktop Services sessions are not kept alive as expected in Windows Server 2008 R2

07-Sep-2011 – 6.1.7601.21812 – Volmgr.sys – x86/x64 – http://support.microsoft.com/kb/2601456 – Device Manager does not display a drive after you hot-swap the drive between slots on a PCI-E switch in Windows 7 or in Windows Server 2008 R2

16-Jul-2011 – 6.1.7601.21772 – Volmgr.sys – x86/x64 – http://support.microsoft.com/kb/981156 – RemoteApp applications are displayed as black windows when you restart the applications in a Remote desktop connection in Windows Server 2008 R2

11-Jun-2011 – 6.1.7601.21744 – Volmgr.sys – x86/x64 – http://support.microsoft.com/kb/2550978 – “0x0000007B” Stop error after you replace an identical iSCSI network adapter in Windows Server 2008 R2 SP1 or in Windows 7 SP1

15-Jan-2011 – 6.1.7601.21642 – Volmgr.sys – x86/x64 – http://support.microsoft.com/kb/2640309 – “STOP: 0x000000B8” error when you try to shut down or hibernate a computer that is running Windows Vista, Windows Server 2008, Windows 7 or Windows Server 2008 R2

15-Jan-2011 – 6.1.7601.21642 – Volmgr.sys – x86/x64 – http://support.microsoft.com/kb/2490742 – A “0x000000B8” Stop error occurs when you try to shut down or hibernate a computer that is running Windows 7 or Windows Server 2008 R2

18-Dec-2010 – 6.1.7601.21624 – Volmgr.sys – x86/x64 – http://support.microsoft.com/kb/2470949 – The RegQueryValueEx function returns a very large incorrect value for the “Avg. Disk sec/Transfer” performance counter in Windows Server 2008 R2 or in Windows 7

Cisco, Microsoft, SBS 2003, SBS 2008, SBS 2011, Small Business Server 2003, Small Business Server 2008, Small Business Server 2011, Windows, Windows 7, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP

A Windows Based Computer that is connected to your network via an IP Phone (NAP-Enabled) may not connect to the same VLAN after resume from hibernation

This issue applies to Windows XP – SP3, Windows Vista – SP2, Windows Server 2008 – SP2, Windows Server 2008 R2 – SP1 and Windows 7 – SP1.

This issue occurs on networks that use IEEE 802.1X authentication where the client computer or server machine is connected or bridged via a NAP-Enabled device such as an IP or VoIP Phone Handset.

The issue will not be resolved for Windows XP because it is now outside the mainstream support cycle.  Hotfixes for the other operating systems listed above can be obtain via Microsoft KB 976373 http://support.microsoft.com/kb/976373