“HTTP Error 404.8 – Not Found” when accessing the Plus Pack features

This article applies to the following products:
     Messageware Plus Pack 2007

 

SUMMARY

 

When accessing any of the Plus Pack features in OWA, the following error occurs:

 

  “HTTP Error 404.8 – Not Found”

 

CAUSE

 

This error is related to the Request Filtering feature configured on the Web server, which allows an Exchange administrator to deny access to a particular directory in a requested URL.

 

RESOLUTION

 

1.     On the Exchange server, launch notepad and open the following file:

\Windows\System32\inetsrv\config\applicationHost.config

2.     Perform a search for the <requestFiltering> element, followed by searching for the <hiddenSegments> element

3.     In the <hiddenSegments> element, delete the entry that matches the directory that is specified in the requested URL

4.     Save the file and exit from notepad

 

MORE INFORMATION

 

For additional information regarding this behavior, see the web site below

 

Error message when you try to visit a Web page that is hosted on IIS 7.0: "HTTP Error 404.8 – HIDDEN_NAMESPACE"
http://support.microsoft.com/kb/942047/

 

This article applies to the following products:
     Messageware Plus Pack 2007