You Had Me At EHLO... : 'Requesting data from the Exchange server...' or 'Outlook is trying to retrieve data…' client messages

You Had Me At EHLO... : 'Requesting data from the Exchange server...' or 'Outlook is trying to retrieve data…' client messages: "Requesting data from the Exchange server...' or 'Outlook is trying to retrieve data…' client messages"

Good article from the Exchange team with good links on troubleshooting this annoying issue.