Manually converting a Mail User to a Remote User Mailbox

The changes that need to be made are: Configure the user attribute targetaddress to contain the remote routing address for the mailbox. This should be in the format  Set the msExchRemoteRecipientType attribute for the user account to equal 4. Set the msExchRecipientDisplayType attribute for the user account to equal-2147483642. (yes, this is a negative value) Set the msExchRecipientTypeDetails attribute for the user account […]