How to tell which authentication protocols can be used with WebDAV.

When you do an anonymous POST to the “exchange” virtual folder, you will get back a response which will tell you about which authentication protocols are supported.  Each “WWW-Authenticate:” header in the response tells you which type of authentication method is supported.  If you get back a 440 Login Timeout with no “WWW-Authenticate:” headers and…

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WebStoreExplore 1.8.3 is now public

In the past, the team I belong to has made vailable “super samples” which provide a broad range of coverage-by-example around specific messaging APIs – these are often referred to as API Explorers.  Two examples of these are MFCMAPI (for Extended MAPI) and EWSEditor (Exchange Web Services).  There is a third one which has been used internally for…

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WebDAV FBA Authentication Sample Explained.

 Here is some basic information on how FBA authentication is done with WebDAV.  To provide some insight into how this works, you should look at the sample code of KB891748 and review it with the explanation below.  Note that if you are going against Exchange 2007, you should reconsider using FBA authentication since FBA authentication…

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WebDAV and OWA Authentication Settings

With any login issue, it’s important to know which authentication protocols are valid.  You  have to code to an authentication protocol which can be used.   The authentication settings for OWA and WebDAV are tied together under Exchange 2000 and 2003.  Because of this, developers run into issues with WebDAV not being able to authenticate…

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WebDAV: XML DOM vs managed classes.

I’ve seen a lot of issues with using the MSXML DOM when trying to get credentials from the owaauth.dll for FBA authentication.  The managed classes seem to work all the time and in all versions.  However, the MSXML DOM wont always reuturn cookies and sometimes just plain fails in the calls.  Each version of MSXML…

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How WebDAV – Use Basic Authentication with WebDAV even when FBA is enabled.

Some customers (developers) wish to use Basic Authentication when Forms Based Authentication (FBA) is enabled for Outlook Web Access (OWA). If OWA’s FBA is enabled, all WebDAV access needs to be FBA authenticated – which means significant changes need to be done to the code – not to mention the testing. The changes and testing…

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Welcome to WebDAV 101

Welcome to WebDAV 101.  Here you will find information on WebDAV and other Messaging APIS which you might not find elsewhere.   WebDAV 101 Training/White Paper: Attached is a document which provides a good introduction to WebDav for Exchange.  It’s bascily a white paper or training paper on WebDAV for Exchange.  You will find information on the…

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