Protocol Docs RTM
That's right - version 1.0 of the Exchange Server Protocol Documentation has been published in the MSDN:
http://msdn.microsoft.com/en-us/library/cc307725(EXCHG.80).aspx
Here's the press release:
http://www.microsoft.com/presspass/press/2008/jun08/06-30InteropUpdatePR.mspx?rss_fdn=Press%20Releases
And the page with links to all the licenses if you want to make use of the documentation:
http://www.microsoft.com/about/legal/intellectualproperty/protocols/default.mspx
As noted before, support for this documentation is conducted through the forums. Enjoy
