IIS cannot find the server, and static pages cannot access a large number of connections_refused error prompts _win server

Windows 2003 IIS Server access occurs when the Web page cannot be displayed, and the Web page title bar prompts for the server. The problem is still occurring when you view the IIS server is functioning properly, the IIS service is running properly, and restarting IIS. Intranet 127.0.0.1 Access or can not display the Web page, dynamic pages can not be accessed, even HTML static pages can not be accessed. The initial estimate was a denial of service attack that caused the server to reject any connection.

Ask online to view the HTTP error log (C:\WINDOWS\system32\LogFiles\HTTPERR).
Sure enough, a lot of number_connections_refused (deny connection) errors were found in the HTTP error log.

Workaround:

1, start running Regedit open the registry, first back up the registry
2, Find Hkey_local_machine\system\currentcontrolset\services\http\parameters
3. On the Edit menu, point to New, and then click DWORD Value.
4, type Enableaggressivememoryusage, and then press Enter.
5, in the Edit menu, click Modify.
6, type 1 in the Value data box, and then click OK.
7, exit Registry Editor.
8, restart the HTTP service. Click Start, click Run, type cmd in the Open box, and then click OK.
9, type net stop http/y at the command prompt, and then press ENTER.
10, type Iisreset/restart at the command prompt, and then press ENTER.

Ok. If the problem persists, reboot the server directly.

But after we solve the problem discovery because the site is in the application pool of the request queue limit , limited to 1000, according to their own site traffic, determined to 5000-10000 on the resolution, the default of 1000 indeed a little less