This is a Microsoft Exchange Server issue
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Dismount the Microsoft Exchange database, and then remount it to resolve the issue
You can download Acronis logo and other media resources from the Acronis website
You can recover separate mailboxes or E-Mails from a backup archive of an Information Store, but the process can be time-consuming
List of limitations for trial versions of Acronis products
How to resolve the situation when Acronis Recovery for Microsoft Exchange Management Console hangs or errors when connecting to an Acronis Agent remotely
Description of how to establish a proper connection to Acronis Agent on Microsoft Exchange Server from Acronis Recovery for Microsoft Exchange Management Console
Install Microsoft Messaging API and Collaboration Data Objects 1.2.1 to solve the issue