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

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

10-Oct-2013 – 6.1.7601.22477 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2896146 – Packet loss occurs when MTU is below 576 and PMTU discovery is enabled on your Windows 7 SP1 or Windows Server 2008 R2 SP1

13-Jul-2013 – 6.1.7601.22383 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2871565 – “C000021B” error when you inject an NBL that contains multiple net buffers in Windows 7 SP1 or Windows Server 2008 R2 SP1

06-Jul-2013 – 6.1.7601.22378 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2868623 – MS13-065: Vulnerability in ICMPv6 could allow denial of service: August 13, 2013

04-Jun-2013 – 6.1.7601.22348 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2851149 – “0x000000D1 DRIVER_IRQL_NOT_LESS_OR_EQUAL” Stop error on a Windows 7 SP1 or Windows Server 2008 R2 SP1-based computer

04-Jun-2013 – 6.1.7601.22348 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2738401 – Raw packet is discarded after a UDP broadcast packet is received on a computer that is running Windows 7 or Windows Server 2008 R2

08-May-2013 – 6.1.7601.22319 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2845690 – MS13-049: Vulnerability in kernel-mode driver could allow denial of service: June 11, 2013

03-Jan-2013 – 6.1.7601.18042 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2871565 – “C000021B” error when you inject an NBL that contains multiple net buffers in Windows 7 SP1 or Windows Server 2008 R2 SP1

03-Jan-2013 – 6.1.7601.18042 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2868623 – MS13-065: Vulnerability in ICMPv6 could allow denial of service: August 13, 2013

03-Jan-2013 – 6.1.7601.18042 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2851149 – “0x000000D1 DRIVER_IRQL_NOT_LESS_OR_EQUAL” Stop error on a Windows 7 SP1 or Windows Server 2008 R2 SP1-based computer

03-Jan-2013 – 6.1.7601.18042 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2845690 – MS13-049: Vulnerability in kernel-mode driver could allow denial of service: June 11, 2013

03-Oct-2012 – 6.1.7601.22124 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2750841 – An IPv6 readiness update is available for Windows 7 and for Windows Server 2008 R2

12-Sep-2012 – 6.1.7601.22112 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2754804 – FTP client does not establish a passive-mode FTP connection to an IPv4 FTP server in Windows 7 or in Windows Server 2008 R2

06-Sep-2012 – 6.1.7601.22108 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2752370 – “0x000000D1” Stop error when you perform a network-related operation on a computer that is running Windows 7 or Windows Server 2008 R2

06-Sep-2012 – 6.1.7601.22108 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2738401 – Raw packet is discarded after a UDP broadcast packet is received on a computer that is running Windows 7 or Windows Server 2008 R2

22-Aug-2012 – 6.1.7601.17939 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2754804 – FTP client does not establish a passive-mode FTP connection to an IPv4 FTP server in Windows 7 or in Windows Server 2008 R2

22-Aug-2012 – 6.1.7601.17939 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2750841 – An IPv6 readiness update is available for Windows 7 and for Windows Server 2008 R2

14-Jul-2012 – 6.1.7601.22056 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2727330 – Default gateway is set to 0.0.0.0 if you start a Windows 7-based or Windows Server 2008 R2-based computer from an iSCSI boot device

09-Jul-2012 – 6.1.7601.22047 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2733445 – Incorrect time is displayed in a device that uses ICMP to synchronize time information with a Windows 7-based or Windows Server 2008 R2-based computer

09-Jun-2012 – 6.1.7601.22015 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2722392 – “0x000000F4” Stop error when you run the Device Fundamental tests in Windows 7 or in Windows Server 2008 R2

30-Mar-2012 – 6.1.7601.21954 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2688338 – MS12-032: Vulnerability in TCP/IP could allow elevation of privilege: May 8, 2012

09-Mar-2012 – 6.1.7601.21939 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2665206 – Slow performance when you enable IPsec encryption on a specific TCP port number in Windows 7 or in Windows Server 2008 R2

11-Feb-2012 – 6.1.7601.21921 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2675785 – Data transfer speed is slow in Windows 7 or in Windows Server 2008 R2

01-Feb-2012 – 6.1.7601.21912 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2665809 – You cannot exclude ports by using the ReservedPorts registry key in Windows Server 2008 or in Windows Server 2008 R2

14-Jan-2012 – 6.1.7601.21898 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2655087 – Network adapter responds to ARP or NS requests for incorrect IP addresses in Windows 7

07-Jan-2012 – 6.1.7601.21893 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2553549 – All the TCP/IP ports that are in a TIME_WAIT status are not closed after 497 days from system startup in Windows Vista, in Windows 7, in Windows Server 2008 and in Windows Server 2008 R2

03-Jan-2012 – 6.1.7601.21889 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2661010 – IP packets are not routed through a Windows Server 2008 R2–based LAN router in a VLAN environment

23-Dec-2011 – 6.1.7601.21883 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2654852 – Security event 5157 is logged incorrectly if you stop the Windows Firewall service in Windows Server 2008 R2

21-Dec-2011 – 6.1.7601.21881 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2639793 – “0x000000C2” Stop error occurs when you use IPsec on a computer that is running Windows Server 2008, Windows Vista, Windows Server 2008 R2 or Windows 7 in a network that uses IPsec NAT-T security

02-Nov-2011 – 6.1.7601.21853 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2639824 – Multicast packets are dropped in Windows 7 or in Windows Server 2008 R2

06-Oct-2011 – 6.1.7601.21833 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2621067 – The first-returned IP address is incorrect when you use the getaddrinfo function on a multi-homed computer that is running Windows Vista, Windows Server 2008, Windows 7, or Windows Server 2008 R2

01-Oct-2011 – 6.1.7601.21830 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2582281 – Slow failover operation if no router exists between the cluster and an application server

29-Sep-2011 – 6.1.7601.21828 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2588516 – MS11-083: Vulnerability in TCP/IP could allow remote code execution: November 8, 2011

13-Aug-2011 – 6.1.7601.21789 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2582284 – New VPN connections establish a session that has a smaller MTU value than expected in Windows Server 2008 R2 or in Windows 7

13-Aug-2011 – 6.1.7601.21789 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2459530 – Event ID 5719 and event ID 1129 may be logged when a non-Microsoft DHCP Relay Agent is used

12-Jul-2011 – 6.1.7601.21768 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2570170 – Performance issue when you enable the AuthNoEncap policy to handle large payloads in a network environment in Windows 7 or in Windows Server 2008 R2

21-Jun-2011 – 6.1.7601.21754 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2563894 – MS11-064: Vulnerabilities in TCP/IP Stack Could Allow Denial of Service: August 9, 2011

18-Jun-2011 – 6.1.7601.21751 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2569391 – IPv6 DAD state does not switch back to Preferred state from Deprecated state in Windows Vista, in Windows Server 2008, in Windows 7, or in Windows Server 2008 R2

25-May-2011 – 6.1.7601.21734 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2469100 – Manually added route table entries are deleted unexpectedly when you delete an additional IP address in Windows Vista, in Windows 7, in Windows Server 2008 or in Windows Server 2008 R2

10-May-2011 – 6.1.7601.21724 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2523881 – You cannot establish an IPsec tunnel to a computer that is running Windows 7 or Windows Server 2008 R2 through a NAT device

06-May-2011 – 6.1.7601.21722 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2547057 – IP packets are not routed through a Windows Server 2008 R2–based LAN router in a VLAN environment

25-Apr-2011 – 6.1.7601.21712 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2503665 – MS11-046: Vulnerability in Windows AFD.sys could allow elevation of privilege: June 14, 2011

22-Apr-2011 – 6.1.7601.21710 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2524732 – An IPsec connection to back-end databases from a WTT application times out in Windows 7 or in Windows Server 2008 R2

19-Mar-2011 – 6.1.7601.21687 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2511305 – Network throughput is not scaled up correctly if high-bandwidth PCI Express adapters and four or more processor sockets are used in Windows Server 2008 R2

19-Mar-2011 – 6.1.7601.21687 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2525390 – The SACK option is always set to “true” even if network adapter does not support SACK for offloaded connections in Windows 7 or in Windows Server 2008 R2

19-Mar-2011 – 6.1.7601.21687 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2519736 – Stop error message in Windows Server 2008 R2 SP1 or in Windows 7 SP1: “STOP: 0x0000007F”

17-Mar-2011 – 6.1.7601.21685 – Fwpkclnt.sys – x64 – http://support.microsoft.com/kb/2519644 – Stop code in the tcpip.sys driver on a computer that is running Windows Server 2008 R2: 0x000000D1

05-Mar-2011 – 6.1.7601.21675 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2470853 – IGMP v1 membership report packets are sent to incorrect destinations on a computer that is running Windows Server 2008, Windows Vista, Windows 7 or Windows Server 2008 R2

20-Jan-2011 – 6.1.7601.21645 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2472264 – You cannot customize some TCP configurations by using the netsh command in Windows Server 2008 R2

17-Jan-2011 – 6.1.7601.21643 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2477730 – The TCP Chimney Offload feature fails on all network adapters in Windows Server 2008 R2 or in Windows 7 if you disable or change the properties of a network adapter

15-Jan-2011 – 6.1.7601.21642 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2465772 – An application or service that uses Winsock API or Winsock Kernel API may randomly stop responding in Windows Server 2008 R2 or in Windows 7

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2727330 – Default gateway is set to 0.0.0.0 if you start a Windows 7-based or Windows Server 2008 R2-based computer from an iSCSI boot device

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2661010 – IP packets are not routed through a Windows Server 2008 R2–based LAN router in a VLAN environment

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2655087 – Network adapter responds to ARP or NS requests for incorrect IP addresses in Windows 7

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2588516 – MS11-083: Vulnerability in TCP/IP could allow remote code execution: November 8, 2011

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2569391 – IPv6 DAD state does not switch back to Preferred state from Deprecated state in Windows Vista, in Windows Server 2008, in Windows 7, or in Windows Server 2008 R2

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2563894 – MS11-064: Vulnerabilities in TCP/IP Stack Could Allow Denial of Service: August 9, 2011

20-Nov-2010 – 6.1.7601.17757 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2553549 – All the TCP/IP ports that are in a TIME_WAIT status are not closed after 497 days from system startup in Windows Vista, in Windows 7, in Windows Server 2008 and in Windows Server 2008 R2

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2547057 – IP packets are not routed through a Windows Server 2008 R2–based LAN router in a VLAN environment

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2519736 – Stop error message in Windows Server 2008 R2 SP1 or in Windows 7 SP1: “STOP: 0x0000007F”

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2511305 – Network throughput is not scaled up correctly if high-bandwidth PCI Express adapters and four or more processor sockets are used in Windows Server 2008 R2

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2503665 – MS11-046: Vulnerability in Windows AFD.sys could allow elevation of privilege: June 14, 2011

20-Nov-2010 – 6.1.7601.17514 – Fwpkclnt.sys – x86/x64 – http://support.microsoft.com/kb/2465408 – Applications or services cannot update their routing tables after they receive route change notifications in Windows Server 2008 R2 or in Windows 7

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