How to assign Impersonation Rights to a User in Exchange 2007

What are the commands to assign Impersonation Rights to a User in Exchange 2007?

Here are the commands that are required to run to assign the Impersonation rights to a user: Update the following entries to be specific to the environment:

[RetainUser] - The user that will be assigned to this Role. This user must already exist as a non-admin user.

Once update, it may look like the following:

Get-ClientAccessServer | Add-AdPermission -User Retain -ExtendedRights ms-Exch-EPI-Impersonation Get-MailboxDatabase | Add-AdPermission -User Retain -ExtendedRights ms-Exch-EPI-May-Impersonate Get-MailboxServer | Add-ADPermission -User RetainUser -ExtendedRights Send-As, Receive-As, ms-Exch-Store-Admin

These commands must be run an each Exchange Server in the environment. This user should now have Impersonation rights that can be used in Retain.

This article was originally published in the GWAVA knowledgebase as article ID 2566.