Follow these instructions to enable Ethernet control surfaces for Windows systems:
Go to the Start Menu, right-click the Network item, and then choose Properties.
Right-click on the relevant Local Area Connection, and then choose Properties.
Click on Install, select "Protocol" and click the "Add" button.
Click on Have Disk.
Point to the DigiNet.inf file in the C:\Program Files\ directory of your Local Disk.
Follow the on-screen instructions to complete the installation.
Restart the computer.
If this error continues you may also need to manually create a new Registry key. Please contact Avid Customer Care for help with this, or if you want to attempt this yourself, follow these instructions:
Create a new text file entitled "DigiNet_Security.reg" with the following text:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DigiNet\Security]
"Security"=hex:01,00,14,80,a0,00,00,00,ac,00,00,00,14,00,00,00,30,00,00,00,02,\
00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
00,00,02,00,70,00,05,00,00,00,00,00,14,00,30,00,03,00,01,01,00,00,00,00,00,\
01,00,00,00,00,00,00,14,00,fd,01,02,00,01,01,00,00,00,00,00,05,12,00,00,00,\
00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,20,02,00,00,00,\
00,14,00,8d,01,02,00,01,01,00,00,00,00,00,05,04,00,00,00,00,00,14,00,8d,01,\
02,00,01,01,00,00,00,00,00,05,06,00,00,00,01,01,00,00,00,00,00,05,12,00,00,\
00,01,01,00,00,00,00,00,05,12,00,00,00
Install this Registry key by double-clicking on it and following the instructions. You will need Administrator privileges to install the key.
上面是官方文档