Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2

Topic Last Modified: 2011-03-19

Removing a federation trust disables Federation for the Exchange organization. All federated domains, including the domain used for the account namespace, should be removed. To retrieve the list of federated domains and the account namespace, use the Get-AcceptedDomain cmdlet. The federated domains are also listed in the Remove Federation Trust wizard in the Exchange Management Console (EMC).

Looking for other tasks related to Federation? Check out Managing Federation.

Use the EMC to remove a federation trust

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Federation trusts" entry in the Exchange and Shell Infrastructure Permissions topic.

  1. In the console tree, click Organization Configuration.

  2. In the result pane, select the federation trust you want to remove.

  3. In the action pane, click Remove Federation Trust.

  4. On the Remove Federation Trust page, review the federated domains configured to use the trust.

  5. Click Remove to remove the trust.

  6. On the Completion page, review the following, and then click Finish to close the wizard:

    • A status of Completed indicates that the wizard completed the task successfully.

    • A status of Failed indicates that the task wasn't completed. If the task fails, review the summary for an explanation, and then click Back to make any configuration changes.

Use the Shell to remove a federation trust

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Federation trusts" entry in the Exchange and Shell Infrastructure Permissions topic.

This example removes the federated domain contoso.co.uk with the account namespace domain contoso.com.

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Remove-FederatedDomain -DomainName contoso.co.uk
Remove-FederatedDomain -DomainName contoso.com

This example removes the federation trust Microsoft Federation Gateway.

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Remove-FederationTrust "Microsoft Federation Gateway"

For detailed syntax and parameter information, see Remove-FederatedDomain or Remove-FederationTrust.