This document explains how to install, register, update, reinstall, and troubleshoot the Acronis Backup Agent for Windows and Linux systems.
Platform: Acronis Cyber Protect Cloud
1. Install Acronis Backup Agent on Windows
Procedure
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Log in to the Acronis Cyber Protect Cloud console.
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Navigate to Devices.
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Click Add > Windows.

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Download the Windows Backup Agent installer.
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Copy the installer to the target Windows server.
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Run the installer with administrative privileges.
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Accept the license agreement and complete the installation.
- Register the server to the Acronis console using the Registration Info.
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The agent will automatically register with the Acronis console if the installer is linked to your tenant.
2. Install Acronis Backup Agent on Linux
Procedure
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Log in to the Acronis Cyber Protect Cloud console.
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Navigate to Devices.
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Select Add > Linux.
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Download the Linux agent package or copy the installation command.
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Transfer the installer to the target Linux server.
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Install the package using the appropriate package manager.
RHEL/CentOS
Ubuntu/Debian
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Complete the installation.
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The server will automatically appear in the Acronis console after successful registration.
3. Register a Device in Acronis
Procedure
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Log in to the Acronis console.
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Navigate to Devices.
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Select Add Device.
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Download the appropriate Backup Agent.
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Install the agent on the target machine.
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After installation, the device automatically registers using the tenant credentials embedded in the installer.
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Refresh the Devices page to confirm the system appears.
4. Remove a Device from Acronis
Procedure
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Log in to the Acronis console.
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Navigate to Devices.
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Select the required device.
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Click Actions > Delete or Remove.
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Confirm the removal.
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If the server is being decommissioned, uninstall the Backup Agent from the operating system.
5. Update the Acronis Agent
Procedure
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Open the Acronis console.
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Navigate to Devices.
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Select the device requiring an update.
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If an update is available, click Update Agent.
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Wait for the update process to complete.
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Confirm the agent status returns to Online.
6. Reinstall the Acronis Agent
Procedure
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Uninstall the existing Acronis Backup Agent from the operating system.
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Restart the server if required.
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Download the latest Backup Agent from the Acronis console.
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Run the installer.
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Complete the installation.
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Confirm the device registers successfully in the Acronis console.
7. Troubleshoot Acronis Agent Offline
Resolution
If a device shows as Offline in the Acronis console:
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Verify the server is powered on.
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Confirm internet connectivity.
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Ensure the Acronis Managed Machine Service is running.
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Restart the Acronis agent service.
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Verify firewall or proxy settings are not blocking communication.
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Check DNS resolution to Acronis cloud services.
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If the issue persists, reinstall the Backup Agent.
8. Troubleshoot Device Not Appearing in Console
Resolution
If the device does not appear after installation:
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Verify the installation completed successfully.
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Confirm the correct tenant installer was used.
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Ensure the server has outbound internet access.
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Restart the Acronis agent service.
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Check for firewall or proxy restrictions.
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Wait a few minutes and refresh the Devices page.
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If the device still does not appear, reinstall the agent using the latest installer.