http://blogs.technet.com/b/essentialbusinessserver/archive/2009/03/20/outlook-presents-multiple-prompts-for-authentication-in-ebs.aspx[Today's post come to us courtesy of Mark Stanfill] You may receive multiple prompts for authentication from Outlook clients connected to an EBS Messaging Server at roughly 5 minute intervals.&#160; Both local and Outlook Anywhere clients can encounteren-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/essentialbusinessserver/archive/2009/03/20/outlook-presents-multiple-prompts-for-authentication-in-ebs.aspx#3217246Tue, 24 Mar 2009 11:27:50 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3217246EBS 2008: Troubleshooting Outlook multiple prompts for authentication<p>PingBack from <a rel="nofollow" target="_new" href="http://www.ditii.com/2009/03/24/ebs-2008-troubleshooting-outlook-multiple-prompts-for-authentication/">http://www.ditii.com/2009/03/24/ebs-2008-troubleshooting-outlook-multiple-prompts-for-authentication/</a></p> <img src="http://blogs.technet.com/aggbug.aspx?PostID=3217246" width="1" height="1">