Traffic to and from Palo Alto Networks firewall will stop working after Azure SKU upgrade from Basic to Standard

Traffic to and from Palo Alto Networks firewall will stop working after upgrade the SKU (Stock Keeping Unit)from Basic to Standard.

• Palo Alto VM Firewalls
• Supported PAN-OS
• Microsoft Azure

• The issue is caused when Network Security Groups is not associated with the Palo Alto Networks VM Firewall's interfaces and upgrade of SKU is completed as per Azure recommendation

• The difference is documented in the Microsoft Documentation.

1. Create Network Security Groups and associate to each Network Interface that needs Public IP addresses.
2. For details Refer to the following link: Network security groups.

Upgrade a public IP address using the Azure portal