Specifies the data backup server NIC port to avoid affecting business

1. First, to ensure that the source and destination bak card is connected to the backup server PBX, ensuring the physical layer is correct;

2. When the backup destination server is hyper-v virtual machine, you need to bind to migrate virtual network adapter card bak physical machine before they can;

3.hyper-v host virtual switch configuration as screenshots, check the "Allow management operating system to share this network adapter";