Using the above & network performance is nothing short of shocking ?!? Broadcom TOE nics ? (all TOE enabled nics will prob need these edits)

It looks like that due to the fact that SP2 includes Scalable networking pack, the Checksum offloading stuff and Receive Side Scaling might be causing some issues and the symptoms you will see is slow file copies, problems accessing web sites and DHCP issues where your workstations won’t pick up an IP address, Secure NAT and VPN issues especially with Premium boxes. To disable this do the following:

To disable checksum offloading:

From the registry you can do:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

Click Edit, point to New, and then click DWORD Value.

Type DisableTaskOffload as the entry name, and then press ENTER.

Right-click DisableTaskOffload, and then click Modify.

In the Value data box, type a value of 1 , and then click OK.

Disable RSS (Receive side scaling)

http://support.microsoft.com/kb/912222/en-us

1. Click Start, click Run, type regedit , and then click OK.
2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
3. On the Edit menu, point to New, click DWORD Value, and then type EnableRSS .
4. Double-click EnableRSS, type 0 , and then click OK.

More From pstilgoe

• How to auto populate InfoPath forms using the people picker
• SBS 2003 SP2 Broadcom Event ID 1053 1054 RPC Errors !!
• Cannot open firewall on SBS 2003 ipnat.sys

Ask pstilgoe To Recommend Your Posts