Win2003 iis6.0 site cannot be opened, server or DNS error (connections_refused) _win server is not found

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A server or DNS error was not found.

Ping can ping, Telnet 80 port also no problem. Look at the Httperror under LogFiles and find a lot of "36_connections_refused" error messages.

Baidu searched the next "_connections_refused" to find the official Microsoft Solution, HTTP://SUPPORT.MICROSOFT.COM/KB/934878/ZH-CN solution is as follows:
1. Enter the registration form, enter the specific item: Hkey_local_machine\system\currentcontrolset\services\http\parameters
2. New DWORD value, enter name "Enableaggressivememoryusage"
3. The modified value is 1.
4. Start-run, enter CMD. Enter the cmd window.
5. Execution: net stop http/y
6. Implementation: Iisreset/restart
IIS issues are resolved.

ImportantThis section, method, or task contains steps that tell you how to modify the registry. However, serious problems may occur if the registry is improperly modified. Therefore, make sure that you follow these steps carefully. The additional protection is modified before the registry is backed up. You can then restore the registry when 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:

322756 (http://support.microsoft.com/kb/322756/) How to back up and restore in the Windows registry

To work around this problem, add the Enableaggressivememoryusage registry key to the following registry subkey:

Hkey_local_machine\system\currentcontrolset\services\http\parameters

Then, set the Enableaggressivememoryusage registry key to 1

To do this, follow these steps:

2. Click Launch , click in Run , type in Registry Editor, Open the box, and then click OK
4. Click the following registry subkey:
   Hkey_local_machine\system\currentcontrolset\services\http\parameters
6. On the edit point to the menu new , and then click Two-byte values
8. Type enableaggressivememoryusage, and then press ENTER.
10. Click on the Edit menu to modify
12. Type 1 in the Value data box , and then click OK
14. Click the file on the menu to exit the Registry Editor.
15. The
16. restarts the HTTP service. To do this, follow these steps:
    1. , click to type Span class= "Userinput" >cmd the box, and then click .
    2. net stop http/y, and then press ENTER.
    3. iisreset/restart, and then press ENTER.