Symptoms
Consider the following scenario:
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You have the email address of a user whose account is hosted on a computer that is running Microsoft Exchange Server 2010.
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You run the following cmdlet on the Exchange Server 2010 server:
Set-Mailbox - Identity <user name> -EmailAddressPolicyEnabled $False
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The msExchPoliciesExcluded property of the user is set to the GUID of the default email address policy and the msExchPoliciesIncluded property of the user is set to null.
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You run the following cmdlet on the Exchange Server 2010 server:
Update-Recipient - Identity <user name>
In this scenario, the msExchPoliciesIncluded property of the user is incorrectly set to the GUID of the default email address policy. Therefore, the email address of the user is updated unexpectedly.
Note This problem does not occur in Exchange Server 2007 environments.
Resolution
To resolve this problem, install the following update rollup:
2407028 Description of Update Rollup 1 for Exchange Server 2010 Service Pack 1
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information about the Update-Recipient cmdlet, visit the following Microsoft website:
