"When full Access permissions are added to a mailbox in Exchange the permissions are replicated in Archive Manager,
However
When the permissions on a mailbox in Exchange are removed this will not be replicated to the mailbox in Archive Manager. "
With the following Configuration Console Setting Enabled:
Property - 'Directory Connector Import Mailbox Permissions'
Value - 'True'
Example:
It would be trying to remove User C to align with the permissions set in Exchange.
Note:
In Archive Manager 5.5 this behaviour was changed and permissions are now removed from Archive Manager when removed from Exchange.