Outlook unable to connect to Exchange 2010

  Recently, I was doing a simple Exchange migration from Exchange 2007 to Exchange 2010.  Once I moved all the mailboxes to the new exchange server, we noticed issues with Outlook.  The version of Outlook was 2003. These were the issues being reported: Random Outlook freezing and locking Error – “Your Exchange Server administrator has blocked the version of Outlook that you are using. Contact your administrator for assistance.” Error – “Cannot start Microsoft Office Outlook. Unable to open the Outlook window. The set of folders could not be opened.”[…]

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Exchange 2010 and Outlook 2003 Slowness

It’s been a little while since I have had to migrate Exchange 2003 to 2010, and I ran into a familiar problem again – so I thought I would share. I migrated a couple users over from the Exchange 2003 server onto the Exchange 2010 server, and the next day users were complaining of slowness.  It would take about 30 seconds or more for messages to be deleted, moved, and any sort of update to the mailbox.  It doesn’t seem like much, but when you are upgrading, and the new[…]

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