BugZero | Veeam BugID kb4715 - Backup of Powered-Off VM in Proxmox Fails When HA ...

Veeam - Defect ID: kb4715

Backup of Powered-Off VM in Proxmox Fails When HA Status is Stopped

Veeam - Defect ID: kb4715

Backup of Powered-Off VM in Proxmox Fails When HA Status is Stopped

Last updated on February 5th, 2026

BugZero Risk Score
9.8 High

Overall: 9.8

Severity: 10.0

Community: 8.7

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Bug Details

Description

Challenge

The backup of a powered-off VM within a Proxmox environment where High Availability (HA) is enabled but the HA status is Stopped, fails with the error: Failed to perform backup: Failed to connect the NBD server to the hypervisor host.

Cause

The job fails because the High Availability (HA) status is set to "stopped." As documented in the Proxmox documentation, in the stopped state, "The CRM tries to keep the resource in stopped state, but it still tries to relocate the resources on node failures." This configuration prevents backups of powered-off virtual machines, resulting in errors.

Solution

To resolve this issue and allow the job to complete for powered-off VMs, reconfigure the Veeam Plugin for Proxmox to lock VMs during backup, informing the CRM not to trigger a stop operation.

Change history

2026-02-05 Added: 11, 9.5, 10, 7.0, 6.5, 12, 9.0, 6.1, 5.0, 12.1, 12.2, 8.0, 13

2026-02-05 Added: 6.5, 6.1, 5.0, 8.0, 7.0, 10, 9.0, 12.2, 11, 12, 9.5, 13, 12.1

2026-02-05 Added: 8.0, 6.1, 7.0, 5.0, 10, 6.5, 12, 12.1, 12.2, 13, 11, 9.0, 9.5

2026-02-05 Added: 5.0, 8.0, 11, 6.1, 13, 10, 12, 9.5, 9.0, 7.0, 6.5, 12.2, 12.1

2026-02-05 Added: 3, 13, 1

2026-02-05 Added: 3, 1, 13

2026-02-05 Added: 6.5, 12, 9.0, 12.2, 7.0, 9.5, 8.0, 13, 11, 5.0, 10, 12.1, 6.1

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

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2026-02-05 Added: 13, ALL

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2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

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2026-02-05 Added: 13, ALL

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2026-02-05 Added: 13, ALL

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2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 13, ALL

2026-02-05 Added: ALL, 13

2026-02-05 Added: 6.1, 11, 9.0, 7.0, 13, 12.1, 8.0, 6.5, 5.0, 12, 10, 9.5, 12.2

2026-02-05 Added: 3, 13, 1

2026-02-05 Added: 13, 3, 1

2026-02-05 Added: 1, 3, 13

2026-02-05 Added: 12, 12.1, 8.0, 7.0, 6.5, 10, 11, 12.2, 5.0, 9.5, 13, 9.0, 6.1

2026-02-05 Added: 12.1, 6.5, 12.2, 11, 9.5, 9.0, 13, 10, 12, 6.1, 5.0, 7.0, 8.0

2026-02-05 Added: 6.1, 5.0, 9.0, 7.0, 6.5, 11, 8.0, 12, 12.1, 9.5, 10, 12.2, 13

2026-02-05 Added: 13, 3, 1

2026-02-05 Added: 6.1, 12.2, 7.0, 10, 9.0, 5.0, 13, 12.1, 9.5, 8.0, 11, 6.5, 12

2026-02-05 Added: 11, 9.0, 7.0, 9.5, 6.5, 10, 8.0, 12.2, 12.1, 13, 12, 6.1, 5.0

2026-02-05 Added: 1, 3, 13

2026-02-05 Added: 7.0, 5.0, 12.2, 8.0, 6.5, 13, 6.1, 11, 12, 9.0, 10, 9.5, 12.1

2026-02-05 Added: 13, 1, 3

2026-02-05 Added: 13, 3, 1

2026-02-05 Added: 3, 1, 13

2026-02-05 Added: 13, 3, 1

2026-02-05 Added: 7.0, 9.0, 13, 12.1, 12, 11, 9.5, 10, 6.5, 6.1, 5.0, 8.0, 12.2

2026-02-05 Added: 13, 3, 1

2026-02-05 Added: 9.5, 12.1, 13, 12, 8.0, 6.5, 11, 9.0, 6.1, 5.0, 7.0, 10, 12.2

2025-09-24 Added: 13

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: ALL, 13

2025-09-24 Added: 13, ALL

2025-09-24 Added: 13

2025-09-23 Added: 13

No changes to display

2025-01-30 Added: 13

2025-01-30 Added: 12.3.2, 12.3.1, 12.3

2025-01-30 Added: 13

Relevant Products

Click on a version to see all relevant bugs

Affected versions:9.5, 12.1, 12.3.1, 13, 12, 8.0, 6.5, 11, 9.0, 6.1, 5.0, 7.0, 12.3.2, 10, 12.3, 12.2

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Affected versions:9.5, 12.1, 12.3.1, 13, 12, 8.0, 6.5, 11, 9.0, 6.1, 5.0, 7.0, 12.3.2, 10, 12.3, 12.2

Fixed versions: No known fixed versions

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Veeam - Defect ID: kb4715

Backup of Powered-Off VM in Proxmox Fails When HA Status is Stopped

Veeam - Defect ID: kb4715

Backup of Powered-Off VM in Proxmox Fails When HA Status is Stopped

Last updated on February 5th, 2026

BugZero Risk Score9.8 High

Bug Details

Challenge

Cause

Solution

Top Veeam Defects

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BugZero Risk Score
9.8 High