1. You create a master image of a UEFI machine

2. You start to deploy this image to the same machine via a deployment task from OS Deploy Server

3. OS Deploy Server logs contain the following error:

Internal error: write outside of allowed area


Issue in the product


1) You created a Linux-based Acronis Bootable Media on a flash drive. 

2) You boot the target machine(s) from this bootable media and initiate the deployment.

2) Deployment fails with the following error:

Failed to resolve the selected disk.

Cannot deploy to removable media.


Specifics of product design.

If Acronis Bootable media is created on a flash drive, Acronis Agent detects the flash drive as Disk 1 and attempts to deploy to it instead of the fixed disk.

There are three implementations of Acronis Cyber Protect Cloud.

Acronis Hosted

Fully Acronis hosted solution (both storage and management sides are run by Acronis – i.e. storage is our Cloud DCs, management – our management and authentication servers infrastructure).



  1. You installed Acronis Snap Deploy 5 using extracted MSI files
  2. When you attempt the deployment, it fails with the following error:

    No Acronis Snap Deploy 5 License Server installed on

Starting with Update 1, Acronis Cyber Backup 12.5 (both Standard and Advanced) provides a convenient tool for remote installation and update of Windows Agents on multiple machines.

Prepare a list of machines where Agent for Windows should be installed

Create a .csv file containing hostnames or IP addresses and access credentials, one machine per line:

 host1 user1 password1 unit_path1
 host2 user2 password2 unit_path2
 host3 user3 password3 unit_path3

Make sure that the antivirus software running in your environment does not block Acronis products. See Acronis Software: Making Acronis Products Compatible with Antivirus Software

Under specific circumstances, the software may crash. It is very important to report a crash instead of trying to workaround it. Normal workflow for a crash problem is the following:

Because Acronis products work with the storage system of an operating system on a very low level, there is a small risk that different conflicts on this level can lead to an operating system crash during backup or other operations. Please follow the instructions below to troubleshoot these issues, depending on what operating system is being used..


You have installed Acronis Cyber Protect 15 software and attempt to deploy Agent for Scale Computing HC3 (Virtual Appliance);

Deployment of the Agent for Scale Computing HC3 (Virtual Appliance) instantly fails with the following error:

Failed to download the virtual appliance. Check the Internet connection on host <hostname> or download the file...