Exchange – “You must close all dialog boxes before you can close Exchange Management Console”
KB ID 0000478 Problem Seen on Exchange 2010 SP1 running on Windows Server 2008 R2. Whenever you attempt to close the Exchange Management console you see the following error. You must close all dialog boxes before you can close Exchange Management Console Even though there are no dialog boxes open! Solution Essentially this is a Bug in Internet Explorer 9. To stop this happening you have 3 choices. Option 1 Hotfix released 18/10/11 1....