If you are trying to install Sharepoint and you received this error follow this link, Jie Li from Microsoft has published a posting for this just a few hours ago and he say’s that they will release a hotfix for the missing ‘allowInsecureTransport” in a few days.
This is the future home of the link:
http://blogs.msdn.com/opal/archive/2009/11/16/installation-notice-for-sharepoint-2010-public-beta.aspx
The hofix links for OS are: (Windows Server 2008 (Also covers Vista), Windows Server 2008 R2 – link not activated yet (Also covers Windows 7)
