Note In Windows Server 2008 and in Windows Vista with Service Pack 1 (SP1), the system allows for a maximum of ten half-open TCP connections at any time.
How to enable the half-open TCP connections limitImportant This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
- Click Start, type regedit in the Start Search box, and then click regedit.exe in the Programs list.If you are prompted for an administrator password or for confirmation, type your password, or click Continue.
- Locate and then double-click the following registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\EnableConnectionRateLimiting
- In the Value data box, type 1, and then click OK.
- Exit Registry Editor.
- Restart the computer.