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NC373i - Multifunction NICs Experience Slow Performance with TOE RSS SNP


After installing Microsoft Windows 2003 with Service Pack 2 (SP2) or Microsoft Windows 2003 Scalable Networking Pack (SNP) on a server that has TCP/IP Offload enabled, you will experience network communication issues.

The following list includes a few network-related issues that the server may experience:

  • Remote Desktop Protocol (RDP) cannot be used.

  • A client cannot be joined to a domain.

  • The server cannot connect to the Exchange server.

  • Network performance is slow.

  • Network performance is slow when communicating with a Microsoft Windows Vista system.

  • Performance is slow when logging to the domain.

  • Intermittent RPC communications failures are experience.

  • The server stops responding.

  • The server runs low on non-paged pool memory.


From the Network Configuration Utility, disable TOE and RSS .

At the same time, install the HotFix from Microsoft Knowledge Base Article 948496, An update to turn off default SNP features is available for Windows Server 2003-based and Small Business Server 2003-based computers . Click here to view Microsoft Knowledge Base Article 948496 and download the HotFix at Non-HP site

NOTE: Advise the customer that any time they upgrade the NIC and NCU driver that they need to re-install the HotFix.

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