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5–Windows Server 2003 and 2008 Driver Installation and Configuration
Windows Server Performance
5-26 NE0154601-00 A
Performance Testing the QLogic Adapter with ntttcp
To enhance Windows Server performance, change these parameters in the order
listed.
1. Enable Windows Server scaling.
Set the TCp1323Opts parameter value to 1. Note that this parameter is not
created by default. For more information about modifying a previously
created parameter, or creating a new parameter, see “Tcp1323Opts
Parameter” on page 5-29.
2. Set the TcpWindowSize parameter.
In the TcpWindowSize parameter window, set the value in the Value Data
box to either 200000 hexadecimal, or 2,097,152 decimal. Be sure to click
either hexadecimal or decimal in the Base box depending on the value
entered.
If the TcpWindowSize parameter does not exist, it can be created using
regedit. See “Setting the TcpWindowSize Parameter” on page 5-32 for
more information.
3. Run ntttcp.
a. On the Start menu, click Run. The Run dialog box opens.
b. Type cmd in the Open: box, and then click the OK button
(Figure 5-20).
Figure 5-20. Run Dialog Box