Exchange 2007 with Outlook 2003 Public Folders

[avvia]

I get error message when start Outlook and use Microsoft Exchange Server 2007 mailbox, it won't allow me to connect Exchange 2007. Error message : "Your Exchange Server administrator has blocked the version of Outlook that you are using. Contact your administrator for assistance".

[Macarenas]

• This behavior occurs when one or more of the following conditions are true: You do not have an existing public folder tree.
• MAPI is disabled for your mailbox.
• Encryption is required for the Exchange connection.
• Cached Exchange Mode is required for your mailbox.
• RPC/HTTP mode is disabled for your mailbox.
• Your version of Outlook is specifically blocked by Exchange 2007.

[JonathanD]

First you need to uninstall Office and Go to run type regedit. If there is any problem in registry KEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\7.0 then delete any Outlook folders in the above tree. Reinstall Office - it should now work.