Microsoft KB Archive/187650

= Error: "Server Returned Invalid or Unrecognized Response" =

Article ID: 187650

Article Last Modified on 6/23/2005

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APPLIES TO


 * Microsoft Internet Information Server 4.0
 * Microsoft Proxy Server 2.0 Standard Edition

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This article was previously published under Q187650



We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:

http://www.microsoft.com/technet/security/prodtech/IIS.mspx



SYMPTOMS
When using Microsoft Internet Explorer, you may receive the following error message:

Internet Explorer cannot open internet site . Server returned invalid or unrecognized response.



CAUSE
Web publishing has been disabled in Proxy Server.



WORKAROUND

 * 1) Start the Internet Service Manager (ISM), which loads the Internet Information Server snap-in for the Microsoft Management Console (MMC).
 * 2) Click Web Proxy, then click Properties on the Action menu.
 * 3) On the Publishing tab, click to select the Enable Web Publishing check box.
 * 4) Click OK, and then quit the MMC.

Additional query words: browser client turn turned off IE MSIE MS OWA Outlook Web Access XCLN

Keywords: kbprb KB187650

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