Feel Free To Use It

The TCP Optimizer is a program designed to provide an easy, intuitive interface for tuning TCP and IP related parameters in the Windows Registry. It takes into account all related RFCs, the Microsoft TCP/IP implementation oddities, verifies all Registry locations for the same TCP/IP parameters (ICS Sharing, AOL protocol MTU, etc), only ads the necessary Registry parameters, and overall aids in making the whole "tweaking for speed" experience a breeze. It is downloadable from here: SG TCP Optimizer.

In the following chapters, you will find short descriptions of all the settings and all aspects of the functionality of the TCP Optimizer. In addition to this documentation, you can also check the TCP Optimizer FAQ, as well as the SG Tweaking forum. We'd also appreciate any feedback about the program, please contact the webmaster or post in our forums with any suggestions for additions or changes to either the program or this documentation.


If you do not feel like reading the entire documentation below, or you simply need the tweaks NOW, without spending time in learning the meaning of all those settings, you can use the Optimizer by following these short instructions:

- Choose your maximum Connection Speed from the slider bar (the maximum available bandwidth, in kilobits per second)
- Choose your Network Interface, or check to Modify All Network Adapters
- Pick "Optimal settings" from the radio-buttons near the bottom of the program
- Click on the "Apply changes" button and reboot

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The Optimizer can do all the rest for you (including a backup of the current registry settings, so you can revert the changes if you wish). The new version of the program includes a preview of all changes after hitting the "Apply changes" button and before actually editing the Windows Registry.

You can also use the Optimizer to easily apply custom values, test with different settings, and learn a bit more about tweaking and TCP/IP in general. We strongly recommend getting familiar with the settings, and learning what aspects of your connection they affect first. Also, note that some of the program tabs (Largest MTU, BDP, Latency) can be used as a learning tool without making any changes to the Windows Registry.

The 3 radio buttons at the bottom of the program show the relevant "Current settings" as set in the Windows Registry, the Optimizer recommended "Optimal settings", or allow for "Custom settings" for the more advanced user to test with different values.

Please see the following chapters for definitions and detailed descriptions of all options in the TCP Optimizer.

Windows 9x/ME/2K/XP/XP-SP2/2k3


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