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You receive an error message when you use FrontPage with URLScan

View products that this article applies to.


When you try to use the FrontPage client to connect to a Web site or to publish a Web site, you receive the following error message, and the Web site is not opened:
The Web server at http://address does not appear to have the FrontPage server extensions installed.
where http://address is a server having the following configuration:
  • The server is running Microsoft Internet Information Services (IIS).
  • The FrontPage Server Extensions are installed on the server.
  • The URLScan utility is installed.

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When you install the URLScan utility, the Urlscan.ini file that lists default settings is installed. The default settings deny requests from FrontPage to access the server.

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You can use the FrontPage Server Extensions if you edit the settings in the Urlscan.ini file. To do this, follow these steps:
  1. Locate the Urlscan.ini file in Windows Explorer. By default, this file is created in the following folder:
    where Drive represents the drive letter of your hard disk.
  2. Create a copy of the file and name it Urlscan.old.
  3. In Notepad, open the original copy of the Urlscan.ini file.
  4. Locate the [Options] section. Change the AllowDotInPath=0 setting to AllowDotInPath=1.
  5. Locate the [AllowVerbs] section. Change the ;OPTIONS verb to OPTIONS. (Removing the semicolon uncomments the line.)

    NOTE: If URLScan 2.1 is installed, you do not need to make this change. This was corrected in URLScan 2.1. URLScan 2.1 is available at the following Microsoft web site: If you have URLScan 2.0, you need to make this change. Version 2.0 is included on the compact disc.
  6. Save the file to replace the original.
  7. Stop and restart IIS services.
    236166 Using NET STOP and NET START Commands to Force IIS Services to Re-Read the Registry
    202013 Internet Information Services 5.0 Command-Line Syntax for Iisreset.exe
  8. Test the ability to connect with FrontPage.
If you encounter further difficulties with other IIS functionality while URLScan is running, set EnableLogging=1 in the [Options] section of Urlscan.ini and then restart IIS. If any errors occur, check the last entries in the Urlscan.log file for information about what requests are being rejected.

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More information

URLScan protects your server from attacks by turning off functionality that is not being used by the server. The default settings in the Urlscan.ini file, included in the downloadable file, assume that the server is serving only Active Server Pages (ASP) and static content, such as Hypertext Markup Language (HTML) pages and images. It also assumes that you are not using the following technologies:
  • CGI (.exe) executables
  • WebDAV
  • Index Server
  • Internet or HTTP-based printing
  • Server Side Includes (SSI)
If you need to use any of these technologies, you will need to change the Urlscan.ini file accordingly.

For additional information about installing and configuring URLScan, click the following article number to view the article in the Microsoft Knowledge Base:
307608 Using URLScan on IIS
309394 How To Use URLScan with FrontPage 2000

Other Settings That May Affect FrontPage

  • Specifying an AlternateServerName prevents FrontPage from connecting or publishing, even if it is configured to return the actual Web server name.
  • Setting RemoveServerHeader=1 also prevents FrontPage from connecting or publishing.
  • For the CGI-based FrontPage Hit Counter Web component to function, you need to enable the use of files with the .exe extension in the Urlscan.ini file. Because this allows other CGI applications to execute as well, the administrator should consider using an ISAPI or ASP-based hit counter. For additional information about using an ASP-based hit counter with FrontPage, click the article number below to view the article in the Microsoft Knowledge Base:
    309008 HOW TO: Use the ASP PageCounter Component in FrontPage 2000
    To allow requests for files with the .exe extension, set one of the following configurations:
    • If you set UseAllowExtensions=0, then comment out or remove .exe from the [DenyExtensions] section of the Urlscan.ini file.

    • If you set UseAllowExtensions=1, then add .exe to the [AllowExtensions] section of the Urlscan.ini file.
  • Setting AllowLateScanning=1 loads URLScan as a low priority filter. This allows URLScan to be loaded below the FrontPage down-level compatability filter, Fpexedll.dll. For additional information about the Fpexedll.dll filter and URLScan, click the following article numbers to view the articles in the Microsoft Knowledge Base:
    189799 Frequently asked questions about Fpexedll.dll
    309394 How To Use URLScan with FrontPage 2000

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Keywords: KB307976, kbprb, kberrmsg, kbopenfile, kbwebserver, kbwebpublishing

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Article Info
Article ID : 307976
Revision : 5
Created on : 1/31/2007
Published on : 1/31/2007
Exists online : False
Views : 463