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NC373i - Multifunction NICs Experience Slow Performance with TOE RSS SNP

Issue

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.

Solution

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 http://support.microsoft.com/kb/948496. 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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