Recently Microsoft released Windows Live Writer, a blog authoring tool from its BETA hell to, well, Live. The tool has a lot of promise and is a vast improvement over the default editor in Community Server.
If you are a corporate user of this software that uses Community Servers integrated login module, you were out of luck, sort of until I discovered a forum post by Telligent employee Kevin Harder.
Windows Live Writer and Integrated authentication – Community Server
Windows Live Writer does not natively support integrated logins at this point and requires a username and password to setup a Community Server Weblog account. To do this you need to perform one of the following workarounds.