Let’s take the following example: We have an Exchange 2010 User who is traveling a lot (Sales person for example). On his Mailbox we have a Retention Policy for 60 days on his Inbox and 2 years on his other Folders. User takes his Outlook offline (traveling). Some of his Emails expire...

You just installed Exchange 2007 or 2010 in coexistence with Exchange 2003 in order to proceed to migration. When performing tests you realise that you are unable to send any e-mail to the Public folders that are not yet replicated on the new server(s), or worse, you try to replicate the public folders...

Just stumbled upon an interessting issue in Exchange 2010. Consider the following Scenario: Exchange 2010 + Outlook 2010 or Outlook 2003 or Outlook 2007 Organizer creates a Meeting request, his calendar settings in Outlook look like this ( Default Reminders are turned OFF ): ...