Sometimes, it can be usefull to disable access to the Exchange server for a specific mailbox. For exemple, in order to forbid Outlook Web App (Outlook on the Web for Exchange 2016) but you do not want to disable the user account. Or you can prestage the mailbox and only allow access to a specific date/ time.
This can also be used during a migration to another mail system: when the user is migrated, you can disable all access to force the user on the new messaging system. And prevent any email sent by the old Exchange.
Exchange Disable access
Let’s see how to disable all access for a mailbox using ECP or Exchange Powershell:
If you manage one or several file servers in your infrastructure, you may have the will to customize the Access Denied error message displayed to users. This feature can be used since Windows 8 and Windows Server 2012. It is called Access-Denied Assistance.
Access Denied Custom Message
Access-Denied Assistance can be useful if you want to simplify the process to grant folder permissions to users. Sometime, the user does not know the full path, neither rights needed.
With Access-Denied Assistance, shared folder administrator will receive an email with all information required. No more call for user access.
Let’s see how to do that with Server 2012 R2.