Tag Archives: NAP

Microsoft, SBS 2008, Service Pack 2, Service Pack 2, Service Pack 2, Small Business Server 2008, Windows, Windows Server 2008

Dhcpssvc.dll – Pre Service Pack 3 Revision History for Windows Server 2008 SP2 and Windows Small Business Server 2008 (SBS 2008)

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Dhcpssvc.dll – Pre Service Pack 3 Revision History for Windows Server 2008 SP2 and Windows Small Business Server 2008 (SBS 2008)

14-Dec-2011 – 6.0.6002.22755 – Dhcpssvc.dll – x86/x64 – http://support.microsoft.com/kb/2632816 – A Windows Server 2008 R2-based or Windows Server 2008-based DHCP server cannot lease IP addresses if the server cannot reach any RWDCs in an Active Directory domain environment

09-Nov-2011 – 6.0.6002.22740 – Dhcpssvc.dll – x86/x64 – http://support.microsoft.com/kb/2616864 – DHCP Server service crashes randomly in Windows Server 2008 or in Windows Server 2008 R2

18-Jul-2011 – 6.0.6002.22681 – Dhcpssvc.dll – x86/x64 – http://support.microsoft.com/kb/2479424 – A Windows Server 2008 or Windows Server 2008 R2 NAP-enabled DHCP server incorrectly issues fully accessible IP addresses to Windows XP Service Pack 3 clients that are not NAP compliant

26-Jun-2009 – 6.0.6002.22158 – Dhcpssvc.dll – x86/x64 – http://support.microsoft.com/kb/972962 – A DHCPv6 server that is running Windows Server 2008 may drop the DHCP relay-forwarded packets if these packets contain some unknown options

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

Dhcpssvc.dll – Pre Service Pack 2 Revision History for Windows Server 2008 R2 SP1 and Windows Small Business Server 2011 (SBS 2011)

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Dhcpssvc.dll – Pre Service Pack 2 Revision History for Windows Server 2008 R2 SP1 and Windows Small Business Server 2011 (SBS 2011)

01-Dec-2012 – 6.1.7601.22178 – Dhcpssvc.dll – x64 – http://support.microsoft.com/kb/2789970 – DHCP service freezes when a high rate of DHCP DISCOVER packets is sent to a DHCP server that is running Windows Server 2008 R2

01-Dec-2012 – 6.1.7601.18016 – Dhcpssvc.dll – x64 – http://support.microsoft.com/kb/2789970 – DHCP service freezes when a high rate of DHCP DISCOVER packets is sent to a DHCP server that is running Windows Server 2008 R2

08-Oct-2012 – 6.1.7601.22128 – Dhcpssvc.dll – x64 – http://support.microsoft.com/kb/2761544 – An update is available for the DHCP server role in Windows Server 2008 R2

19-Oct-2011 – 6.1.7601.21842 – Dhcpssvc.dll – x64 – http://support.microsoft.com/kb/2632816 – A Windows Server 2008 R2-based or Windows Server 2008-based DHCP server cannot lease IP addresses if the server cannot reach any RWDCs in an Active Directory domain environment

14-Sep-2011 – 6.1.7601.21818 – Dhcpssvc.dll – x64 – http://support.microsoft.com/kb/2616864 – DHCP Server service crashes randomly in Windows Server 2008 or in Windows Server 2008 R2

16-Aug-2011 – 6.1.7601.21791 – Dhcpssvc.dll – x64 – http://support.microsoft.com/kb/2598526 – Client computers do not obtain an IP address when they request a DHCP lease from a Windows Server 2008 R2-based DHCP server

14-May-2011 – 6.1.7601.21728 – Dhcpssvc.dll – x64 – http://support.microsoft.com/kb/2479424 – A Windows Server 2008 or Windows Server 2008 R2 NAP-enabled DHCP server incorrectly issues fully accessible IP addresses to Windows XP Service Pack 3 clients that are not NAP compliant

17-Mar-2011 – 6.1.7601.21685 – Dhcpssvc.dll – x64 – http://support.microsoft.com/kb/2523974 – The DHCP Server service stops responding during the shutdown process when the DHCP Server service is running under a heavy load in Windows Server 2008 R2

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