"Automatically Update email addresses ....... recipient policy" works only in one direction

In Exchange 2003 environment , the option:

Automatically Update email addresses based on recipient policy

seems to work only in one direction.In other words , if a new recepient policy is added then all SMTP addresses will change after sometime but if the same entry is deleted then the SMTP addresses stay unchnaged!

By the way , what is the default update interval for changes to take effect and appear on AD user properties?
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Alan HardistyConnect With a Mentor Co-OwnerCommented:
If a new recipient policy is added, it is usually applied immediately, then the Recipient Update Service will update the email addresses accordingly a short while afterwards (as long as it is working properly).
If you delete an email address, a new one will not be generated unless you right-click on the recipient policy and click Apply Now.  This then forces the Recipient Update Service to re-generate the email addresses.
You can change the Interval of the Recipient Update Service by following this article (the default is to always run):
tigermattConnect With a Mentor Commented:

The behaviour you describe is by design. If you remove an address entry from a Recipient Policy, it will not remove the address from users who already have that address. This is primarily to ensure users are not accidentally disassociated from an email address they use, causing inbound email to potentially go undelivered.

Alan is correct with regard to removing an email address from a user account -- re-running the Recipient Policy will cause that address to re-appear for that user. However, if the address template is removed from the recipient policy itself, you need to use ldifde and a combination of other commands to remove that address from users who already have it. The article at http://support.microsoft.com/kb/318774 can be adapted quite easily to accomplish this.

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