Microsoft KB Archive/816944

= &quot;Unexpected Error 0x8ffe2740 Occurred&quot; Error Message When You Try to Start a Web Site =

Article ID: 816944

Article Last Modified on 11/21/2006

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APPLIES TO


 * Microsoft Internet Information Services 5.1

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SUMMARY
When you try to use Internet Information Services Manager (IIS Manager) to start a Web site, the Web site does not start, and you may receive the following error message:

Unexpected error 0x8ffe2740 occurred



CAUSE
This behavior may occur if a port conflict exists on the system. By default, IIS uses port 80 for HTTP communication. If an application other than IIS is running and is using port 80 on the same IP address, you may receive the error message when you try to use IIS Manager to start the Web site.



RESOLUTION
To resolve this problem, you can do either of the following:
 * In IIS Manager, change the port bindings for the Web site to a port other than port 80.
 * Stop the application that is using port 80, and then start the Web site from IIS Manager.



MORE INFORMATION
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

You can use third-party tools like TCPView or FPort to identify the other application that is using port 80.

Additional query words: IIS 5.1, 0x8ffe2740, start IIS

Keywords: kbprb KB816944

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