Delete the Acronis Managed Machine Service (MMS) logs and Acronis Agent backup policies to resolve the issue
Adding a machine to the Acronis Management Server fails with "The machine has already been registered". However the machine is not in the Acronis Management Server
If you add a machine with Acronis Agent by its IP Address, then Acronis Management Console will not be able to connect to it after the Acronis Agent's IP changes
You need to have Order ID and a serial number to retrieve the registration E-mail
To get an installation serial number of a boxed product, you need first to activate it at the Acronis web site
There are permanent and trial serial numbers of Acronis Recovery for Microsoft Exchange