The recommendation is to set the task to run as Administrator

The backup plan creation of a Hyper-V virtual machine fails after updating Acronis Backup & Recovery 10 Build 11345 to Build 11639

In a backup plan you specify explicitly what data to back up and apply it to one machine, in a backup policy you create a template with parameters of what to back up and can apply it to multiple machines

Make the Acronis Managed Machine Service run under the correct user account. Check that the network share is accessible

Make sure that the network share is accessible and that the Acronis Managed Machine Service is running under an account with enough privileges

Acronis Storage Node does not support swapped drives. Managed vaults should only be created in permanent locations

When editing a task, you may see a message to retype your credentials

Manual backup to DVD works, however the scheduled one fails

The backup task fails to run with incorrect credentials

This is a known issue. As a workaround, use custom scheme instead

Create a backup plan to have the backups saved to the root of the USB disk or to a certain folder on the disk

This article describes how to create a custom backup plan

Keep a copy of your backup archive in the virtual machine format ready for instant recovery

The user account, under which Acronis Managed Machine Service is running, has no Back up files and directories and Restore files and directories privileges

It is recommended to use administrator credentials (user is better to have at least Backup Operators or Administrators membership) when you create a backup plan.

When you create a backup plan, the product by default sets the access credentials of the user under which you are currently logged in on the current machine or connect to a remote machine with Acronis Agent.

To set the credentials explicitly, you will need to click Show plan's credentials under Plan parameters:

This is a known issue. As a workaround, run the backup plan manually

As a workaround, restart the Acronis Management Server Service

The backup settings window is not supposed to be maximized

The differential and incremental backups are automatically deleted only when the full backup is deleted

There is no progress bar shown on a disabling or enabling operation

How to export and import local and centralized backup tasks

Backup plan created by Administrator was edited or deleted by a non-Administrator user. Recreate backup plan. It is recommended not to install Management Console on managed machines.

During an update or an upgrade the default value of the setting "Number of Simultaneous VM Backups" can become 0. As a result, machine backups cannot be performed


1) After upgrading from Acronis Cyber Backup 12.5, protection plans are missing


A new plan can be created, but cannot be started: nothing happens when clicking on Run now, or the message "Queued" is displayed

2) Upgrade log (C:\ProgramData\Acronis\UpgradeTool\<upgrade-date&time>) contains error(s) "POR: Cannot access property by path '.Hash'"


You upgraded from Acronis Cyber Protect 12.5 to Acronis Cyber Protect 15.

When you try to edit an existing protection plan or create a new plan with Backup module enabled, the following error is displayed:

At least two drives must be specified in multistreaming options


Issue in the product: Tapes entry in the registry contains invalid value after the upgrade.

This issue will be fixed in future versions of the product.


As a workaround, rename the faulty registry key:


You create or edit a protection plan. 

When you press Create or Save, the operation hangs with "Optimizing plan for device". 

The protection plan is applied eventually, after 10-15 minutes of processing.


Issue in the product.


This issue has been fixed in Acronis Cyber Protect 21.07.