The DSForum post, EventID 26 & 27 : KDC: suitable keys, has been consolidated into the following TechNet Wiki article:

Please look the article over and let us know what you think.  You can edit the Wiki article directly or provide a comment stating what you think should be corrected.  As always, your feedback is encouraged and greatly appreciated.

Davanand Bahall - MSFT

Active Directory Documentation Team