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HOWTO change the default email address in Exchange Server 2007?

Changing the default email address in Exchange Server 2003 is easy. Just add the new email address and set as default. But not in Exchane Server 2007.

Here's a simple steps to change your default email address in Exchange Server 2007 for your client.
  1. First open the Exchange Management Console
  2. Go to Recipient Configuration, Mailbox, double click on the user mailbox you want to manage.
  3. In User properties, click on E-Mail Addresses tab, click Add.
  4. In SMTP address, type the email address. For example,, then click on OK. You will see it added to your email address list.
  5. Still in User Properties, you will see the Set as Reply in grey color (or disabled)
  6. Uncheck the "Automatically update e-mail addresses based on email address policy". You will the Set as Reply enabled.
  7. Now select the email address that you want to use as default or your primary email address.
  8. Click Ok to complete.
  9. You need to update the email address in your Active Directory (AD) for this specific user to make the changes.
  10. Enjoy.
If you ask, why uncheck the "Automatically update e-mail addresses based on email address policy" and what is the effect to your email system?

Answer: Any changes to your Hub Transport policy will not be enforce to the users you uncheck the automatically update e-mail address policy.

If this is not accepted within your organization policy, then you need to create the user using the correct email address.


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