Notifications are not sent to distribution groups

KB1701 | Last review: Sep 22, 2014 | Netwrix Auditor | All versions
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Symptoms If a user`s e-mail address is specified as a recipient, notifications work.
If a distribution group is specified as the recipient, notifications do not come through
 
Cause This is related to authentication settings.

By default, even if the Exchange receive connector accepts anonymous SMTP, sending to distribution groups requires clients to be authenticated.

 
Resolution There are two solutions:
  1. Configure SMTP authentication in the settings of the Netwrix Management console
SMTP authentication settings in Netwrix Auditor
  1. Disable "require authentication" option in distribution group options as follows
  1. Launch Exchange Management console
  2. Navigate to MS Exchange - Recipient configuration - Distribution groups
  3. Select the required distribution group and open its Properties
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  1. Go to Mail Flow Setting tab
  2. Select Message Delivery Restrictions from the list and open its Properties
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  1. Uncheck Require that all senders are authenticated and click OK
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Alternatively you can run the following command via Exchange Management Shell:

Set-Mailbox -RequireSenderAuthenticationEnabled $false -Identity %group%,     where %group% is like dynamic.group@example.com
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