I am using OLAP OleDB provider (or ADOMD.NET - doesn't make difference) to connect to SSAS through HTTP. IIS is configured to accept on Basic Authentication.
The thing works, but there is a problem. Every request issued by OleDB provider first tries anonymous authentication and only when it is rejected it goes with basic authentication. So it works, but every request is composed of at least two roundtrips.
Any idea how to persuade OleDB client to use basic authentication from start?
Miha Markic [MVP C#] http://blog.rthand.com
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