The Remove-EdgeSubscription cmdlet removes an Edge Subscription. After you remove the Edge Subscription, synchronization of information from the Active Directory directory service to Active Directory Application Mode (ADAM) stops. All the accounts that are stored in ADAM are removed, and the Edge Transport server is removed from the source server list of any Send connector.
Edge Transport servers are subscribed to an Active Directory site by using the Edge Subscription process. You remove an Edge Subscription when an Edge Transport server is being replaced or when a server is compromised. You must perform this procedure on the Edge Transport server and on the Hub Transport server to completely remove the Edge Subscription.
To run the Remove-EdgeSubscription cmdlet, the account you use must be delegated the following:
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Exchange Organization Administrator role
To perform the following procedure on a computer that has the Edge Transport server role installed, you must log on by using an account that is a member of the local Administrators group on that computer.
For more information about permissions, delegating roles, and the rights that are required to administer Microsoft Exchange Server 2007, see Permission Considerations.