Microsoft Outlook maintains a list of formerly used email addresses which is used for the automatic completion feature. If one of these “nicknames” becomes corrupted it can cause any emails to that address to bounce. If this happens, the proper way to fix itis is to delete the corrupted entry and retype the email address in the To… field.
How to remove a corrupted nickname cache entry
Open a new email message.
Type the first few characters of the nickname cache entry that you want to remove from the cache.
When the entry appears in the list of suggested names, use the Up and Down arrow keys on your keyboard to move the highlight to the entry you want to remove.
Hit the Delete key on your keyboard to remove it from the list.
I thought this was a great article that Technet published. My favorites? Continuous Availability via DAGs and one they don’t mention, the ability to have some users internal and some hosted in the “cloud” ….seamlessly.
See the details in the link… in short.. YES, Exhange 2010 is supported on all major hypervisors! Lewan & Associates has done many Exchange 2007 implementations on virtual hardware and we’re gearing up for some very exciting Exchange 2010 installations and upgrades!