Post date: May 16, 2012 6:26:29 PM
Small Business Server 2011 Slow to Boot and Several Services Fail to Start
includes correct instructions on how to disable IPv6
http://blogs.technet.com/b/sbs/archive/2011/02/18/small-business-server-2011-slow-to-boot-and-several-services-fail-to-start.aspx