Windows Firewall Inbound Port Configuration for Proxmox Backup (code 1962)

Situation

An image-based backup plan finishes with the following warning: Windows Firewall inbound port configuration for Proxmox backup (Code: 1962). The backup plan fails due to a firewall restriction: port 8007 is blocked for incoming connections from the Proxmox host

Cause

The backup plan fails due to a Windows Firewall restriction: port 8007 is blocked for incoming connections from the Proxmox host.

Solution

Windows Firewall inbound port can be open by clicking the solution in the warning message. This creates a new inbound rule for Windows Defender Firewall:

You also can create a new inbound rule for Windows Defender Firewall manually according to your requirements.

How to Create an Inbound Rule for Windows Defender Firewall

1. Open Windows Defender Firewall - Press Win + R, type wf.msc, and press Enter. (This opens Windows Defender Firewall with Advanced Security)
2. In the left panel, click Inbound Rules
3. In the right panel, click New Rule.
4. Configure the new inbound rule for the local 8007 port.

3. Configure and apply the rule.