I’d like to apologize for not having any new KB articles to post for the past several weeks; some changes have been going on with the tools I use to find this information.

Here are the most recent networking-related KB articles since my last entry on May 13th. I apologize in advance for any duplicates:

2029054 An application which calls the ReadFile function on a named pipe server may stop responding when you run the application on a Windows Vista or on a Windows Server 2008-based client computer

2028684 A shared file is truncated when you write data to the file by using a computer that is running Windows Server 2003 if the file is stored on a third-party SMB file server and if the file is larger than 4 GB

2028625 Only one of the clients that are behind the same NAT device can create L2TP VPN connections to a VPN server that is running Windows Server 2008 R2

2023170 An access violation exception occurs in the "NdrClientCall2" function in Windows Vista or in Windows Server 2008

2028773 The multicast packets are not fragmented by using the specified MTU value that is set in the registry in Windows Server 2003 SP2

2028685 A VPN connection requires more than 60 seconds to be created in Windows Server 2008 R2 or in Windows 7 if IKEv2 is the default protocol and if the UDP 4500 port is disabled

2028827 The applications that use the TDI driver for network traffic may stop responding in Windows Server 2008 R2 or in Windows 7

981889 A Windows Filtering Platform (WFP) driver hotfix rollup package is available for Windows Vista

2028771 The DHCP Server service may stop responding in Windows Server 2008 R2

981765 The network performance is not as fast as expected on a computer that has NUMA-based processors in Windows Server 2008 R2 or in Windows 7

979614 Description of a reliability update for the TCP Chimney Offload feature in Windows Server 2008 and in Windows Vista

981964 You experience low performance when you access many small files on an SMB version 1 protocol-enabled remote server from a Windows Vista or Windows Server 2008-based client computer

983528 The TCP receive window autotuning feature does not work correctly in Windows Server 2008 R2 or in Windows 7

2028749 A "Set Network Location" dialog box appears when you first log on to a domain-joined Windows 7-based client computer

983457 IP Helper service memory leak in Windows Server 2008 or in Windows Vista

2028666 The DNS Server service may start without a valid IP address in Windows Server 2008 R2 if you configure the computer to use a dynamic IP address

980259 The SNMP service does not respond to any SNMP requests after a Group Policy refresh in Windows Vista or in Windows Server 2008

982922 Data corruption occurs when you use an IPsec NAT-T connection in Windows Vista SP2 or in Windows Server 2008 SP2

2064460 The "BackupRead" function randomly fails together with error code 58 in Windows Server 2008 R2 or in Windows 7

2028240 Windows client and server operating system compatibility with DNSSEC enabled root servers

981879 Fix: You are not prompted to supply new credentials when you try to log on to a WebDav folder by using incorrect saved credentials in Windows Vista or Windows Server 2008

2026070 Self-to-Self traffic is blocked by a Legacy IPsec rule which blocks traffic from any IP address to any other IP address

- Mike Platts