Outlook 2010 free/busy via HTTP...

Posted on 2011-02-16
Medium Priority
Last Modified: 2012-05-11
I want to share my free/busy calendar information with users outside my exchange server. I configured Outlook 2010 to write my free/busy information (.vfb file) to my web server and it seems to work fine.  I then configured one of my Outlook contacts to point to http://mywebsite/file.vfb.  However, Outlook won't read this file.  When I try to see the free busy information of the contact, it just shows \\\\\\\\\\\\\\\\\\\\\\\\\ in a strip across the screen.  Please help.
Question by:dpjansen
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Expert Comment

ID: 34910943
Have you followed these steps?

Can you read the free busy file manually with a web browser?

Author Comment

ID: 34911038
I have followed the steps.  I cannot read the file via a browser.  If gives me a a 404 error... file or directory cannot be found.  I have verified that the file exists.  :(

Expert Comment

ID: 34911316
I'm going to take a wild guess, as you haven't mentioned, that you are using IIS on this webserver of yours. Now IIS only shows specific file mime types, so you'll need to add it to add .vfb files to that list

IIS6 (Windows 2003) will not serve content it does not have registered.  Outlook will create .VFB files and .VFB is not a registered file type in IIS6.  Therefore you need to create a .VFB entry in IIS's "MIME TYPES".  You can do this at the server, website or folder level:

   1. On the WEBSITE and FOLDER levels you can access the MIME types from the HTTP HEADERS
   2.MIME types are editable at the SERVER level by right clicking on the server name, selecting PROPERTIES, then clicking the MIME TYPES button.

Click the NEW button, and enter .VFB as the EXTENSION and TEXT/CALENDAR as the MIME TYPE.

After this change, up will need to stop/start the World Wide Web service to have IIS6 recognize the updated MIME TYPE list.

Accepted Solution

dpjansen earned 0 total points
ID: 34938313
I fixed it.  Instead of using a .vfb extension, I published the calendar file with a .txt extension.  Now I can see it via HTTP.

Author Closing Comment

ID: 34978008
I was able to to fix this using a different file extension

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