An update to turn off default SNP features is available for Windows Server 2003-based and Small Business Server 2003-based computers

Issues:
After you install Windows Server 2003 Service Pack 2 (SP2) or Windows Server 2003 Scalable Networking Pack (SNP) on a computer that has a TCP/IP Offload-enabled network adapter, you may experience many network-related problems.

To manually disable RSS and TCP Offload yourself, follow these steps:

1. Click Start, click Run, type regedit, and then click OK.
2. Locate the following registry subkey:
3. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
4. Right-click EnableTCPChimney, and then click Modify.
5. In the Value data box, type 0, and then click OK.
6. Right-click EnableRSS, and then click Modify.
7. In the Value data box, type 0, and then click OK.
8. Right-click EnableTCPA, and then click Modify.
9. In the Value data box, type 0, and then click OK.
10. Exit Registry Editor, and then restart the computer.