Exchange 2010: Message Approval not working

Exchange 2010: Message Approval not working

Recently one of our customers logged a ticket with the following error when trying to send mail to an all users group that has moderation on: “This message can’t be moderated because the approval system is too busy and can’t accept messages now....
Exchange 2013: Install failed on Frontend Transport

Exchange 2013: Install failed on Frontend Transport

Scenario: When we introduce a new version of Exchange the first thing that needs to be done is that the Schema and AD need to be prepared for the new version. Run this from a domain controller or from a server with the RSAT-Tools installed: As shown above everything...
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