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Microsoft has released an update to address an issue with all versions of Windows Server 2003. As is explained in detail in Knowledge Base Article 910481 network communications may stop responding when Windows Server 2003 is used to implement Winsock Direct is a fast System Area Network (SAN) environment. Other possible problems include data corruption, access violation errors, or other unexpected network communications behavior.
View: Knowledge Base Article 910481
Download: Download Update for Windows Server 2003 x86 (KB910418) Download: Download Update for Windows Server 2003 x64 (KB910418) Download: Download Update for Windows Server 2003 Itanium Based Systems (KB910418)