Applies to:
Windows Server 2008 R2 RTM
Note: You should check http://support.microsoft.com for the latest version of the different files.
List of Network related hotfixes post RTM for Windows Server 2008 R2 as of April 2011:
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 http://support.microsoft.com/?id=2525390 Update(s): Tcpip.sys Fwpkclnt.sys
Supersedes: 2521175 2519736 2519644 2511305 2477730 2472264 2470853 2465772 2386184 2381191 2344959 2175609 20228625 983528 The TCP receive window autotuning feature does not work correctly in Windows Server 2008 R2 or in Windows 7 981889 A Windows Filtering Platform (WFP) driver hotfix rollup package is available for Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2 981889 981180 981344 979612 979223 978886 978622 977342 977067 976527
2028827 The applications that use the TDI driver for network traffic may stop responding in Windows Server 2008 R2 or in Windows 7 Update(s): Tdx.sys 6.1.7600.20713
Supersedes: 981344 978622
981889 A Windows Filtering Platform (WFP) driver hotfix rollup package is available for Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2 http://support.microsoft.com/?id=981889 Update(s): Netio.sys
Supersedes: 981889 981275 979223 A nonpaged pool memory leak occurs when you use a WFP callout driver in Windows Vista, Windows 7, Windows Server 2008, or in Windows Server 2008 R2 978886 976759 974598
2508429 2492806 A Windows Vista-based, Windows Server 2008-based, Windows 7-based or Windows Server 2008 R2-based computer that shares some files and some folders may not respond to file share requests http://support.microsoft.com/?id=2492806 Update(s): Srv.sys
Supersedes: 982214 980135 975512 Some SMB clients cannot access cluster file shares but they can access non-cluster file shares that are located on a computer that is running Windows Server 2008 or Windows Server 2008 R2 971468 951418
2508429 MS11-020: Vulnerabilities in SMB Server could allow remote code execution: April 12, 2011 http://support.microsoft.com/?id=2508429 Update(s): Srv2.sys
Supersedes: 2493869 2492806 2473205 2394911
2508429 MS11-020: Vulnerabilities in SMB Server could allow remote code execution: April 12, 2011 http://support.microsoft.com/?id=2508429 Update(s): srvnet.sys
Supersedes: 2492806 982214 980135 971468
2511455 MS11-019: Vulnerabilities in SMB Client could allow remote code execution: April 12, 2011 http://support.microsoft.com/?id=2511455 Update(s): Mrxsmb.sys
Supersedes: 2473205 2029054 983458 982860 980232
2511455 MS11-019: Vulnerabilities in SMB Client could allow remote code execution: April 12, 2011 http://support.microsoft.com/?id=2511455 Update(s): Mrxsmb10.sys
Supersedes: 2473205 2444558 2444328 2194664 2064460 983458 You cannot save documents to a folder or change the permission settings of folders on a SMB 1.0-based remote server from a Windows-based computer that has security update 980232 (MS10-020) installed 980232 978251
2511455 MS11-019: Vulnerabilities in SMB Client could allow remote code execution: April 12, 2011 http://support.microsoft.com/?id=2065362 Update(s): Mrxsmb20.sys
Supersedes: 2494418 2473205 2065362 An application which calls the ReadFile function on a named pipe server may stop responding when you run the application on a computer that is running Windows Vista, Windows Server 2008, Windows 7 or Windows Server 2008 R2 2029054 2028965 982860 A computer that is running Windows 7 or Windows Server 2008 R2 takes four minutes to open a Microsoft Office 2003 document from a network share 981711 980232 978251
2434932 Temporary files do not synchronize correctly to a non-DFS share on a server from a client computer that is running Windows 7 or Windows Server 2008 R2 http://support.microsoft.com/?id=2434932 Update(s): Rdbss.sys
Supersedes: 2265716 A computer that is running Windows Server 2008 R2 or Windows 7 stops responding randomly Note: Not a rdbss.sys hotfix but speaks about a deadlock 2254637 "0x0000007F" Stop error occurs when the connection to some shared files is lost on a computer that is running Windows Vista, Windows Server 2008, Windows 7 or Windows Server 2008 R2 981872 Access to a redirected folder or a home drive disconnects regularly on a computer that is running Windows Server 2008 R2 and Windows 7 981711 980663 980232 978251
983620 You cannot access a DFS share through a mapped network drive on a computer that is running Windows 7 or Windows Server 2008 R2 http://support.microsoft.com/?id=983620 Update(s): Dfsc.sys 6.1.7600.20714
2401588 Remote procedure call service crashes on a computer that is running Windows Server 2003 SP2, Windows Vista, Windows Server 2008, Windows 7 or Windows Server 2008 R2 http://support.microsoft.com/?id=2401588 Update(s): Rpcss.dll
2457402 You experience delays with an application or service that uses NTDSA APIs for passing changes from RWDC data centers to RODC data centers http://support.microsoft.com/?id=2457402 Update(s): rpcrt4.dll
Supersedes: 2401588 Remote procedure call service crashes on a computer that is running Windows Server 2003 SP2, Windows Vista, Windows Server 2008, Windows 7 or Windows Server 2008 R2 979150 RPC function error in Windows Server 2008 R2 and in Windows 7: "0x0000000E RPC_S_OUT_OF_MEMORY"
2529956 Windows Server 2008 R2 installation may hang if more than 64 logical processors are active http://support.microsoft.com/?id=2529956 Update(s): ndis.sys
Supersedes: 2482122 2471472 An NDIS device cannot be failed over on a fault-tolerant system that is running Windows 7 or Windows Server 2008 R2 after you suddenly remove another NDIS device 981765 The network performance is not as fast as expected on a computer that has NUMA-based processors and that is running Windows Server 2008 R2 or Windows 7 977977 RSS network throughput performance decreases on Windows Server 2008 R2-based computers that have more than 32 processors 976373 A computer that is connected to an IEEE 802.1X authenticated network through a VOIP phone does not connect to the correct network after you resume it from Hibernate mode or Sleep mode
967891 Error message when you use applications that are based on legacy Transport Driver Interface (TDI) filter drivers on a computer that is running Windows 7 Beta or Windows Server 2008 R2: "STOP 0x000000D1 http://support.microsoft.com/?id=967891 Update(s): afd.sys
2550576 STOP 0xC4 may occur in tcpipreg.sys following a reboot after Driver Verifier is enabled on Windows 7 SP1 or Windows Server 2008 R2 SP1 http://support.microsoft.com/?id=2550576 Update(s): tcpipreg.sys
Supersedes: 2470853 2386184 981889 979612 978886