MS Exchange Server 2003 Question: How do I limit which Outlook client versions can access my server? MS Exchange Server 2003 Interview QuestionAnswer: You need to create the Disable MAPI Clients registry value to disable MAPI client access. Previous QuestionNext QuestionWhy do the storage quota settings not take effect immediately?How do I disable the “Automatically update e-mail addresses based on recipient policy” on all users or contacts?