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Error message when you try to add an external email address to the safe sender list in OWA in an Exchange Server 2010 SP1 environment

SYMPTOMS
You create a mail-enabled user that has an external email address in a Microsoft Exchange Server 2010 Service Pack 1 (SP1) environment. You try to add the external email address to the safe sender list in Outlook Web Access (OWA). In this situation, you receive the following error message:

This operation fails with the following error Property validation failed. Property = TrustedSendersAndDomains (System.String) Error = "<external e-mail address>" is in your organization and can't be added to Safe Senders and Recipients.

CAUSE
This issue occurs because the external email address is treated as an internal email address.
RESOLUTION
To resolve this issue, install the following update rollup:
2529939 Description of Update Rollup 3 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.
Properties

Article ID: 2457688 - Last Review: 04/06/2011 19:31:00 - Revision: 2.0

  • Microsoft Exchange Server 2010 Service Pack 1
  • kbqfe kbfix kbhotfixrollup kbexpertiseinter kbsurveynew KB2457688
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