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Enable/Disable NICs from Windows command line

First thing to do is to get or list all NICs available on the system.
This must be done by opening or running the command in an elevated command prompt.
Check out links below on how to open an Elevated Command Prompt.
https://quickbytesstuff.blogspot.com/2014/10/open-elevated-command-prompt.html
https://quickbytesstuff.blogspot.com/2018/06/how-to-open-elevated-command-prompt.html

Why need to open an elevated CMD?
Some commands needs to be run by a person who understands what he or she is doing.
Or simply, some commands are for Sys Admin or IT personnel who are tasked to control or manage the system. So, commands has to be run on a elevated cmd which has an admin privileges.
Here's how to enable or disable NIC interfaces on a Windows system via CLI. First, open an Elevated CMD.
Then need to list, show or get all the available NIC on the system.

Get NIC list and index number:

wmic nic get name, index

Sample Output of the above command:
C:\WINDOWS\system32>wmic nic get name, index
Index Name
0 Microsoft Kernel Debug Network Adapter
1 Intel(R) Wi-Fi 9X200 1160MHz
2 Bluetooth Device (Personal Area Network)
3 Microsoft Wi-Fi Direct Virtual Adapter
4 WAN Miniport (SSTP)
5 WAN Miniport (IKEv2)
6 WAN Miniport (L2TP)
7 WAN Miniport (PPTP)
8 WAN Miniport (PPPOE)
9 WAN Miniport (IP)
10 WAN Miniport (IPv6)
11 WAN Miniport (Network Monitor)
12 Microsoft Wi-Fi Direct Virtual Adapter

Enable NIC with index number: (eg: 1)

wmic path win32_networkadapter where index=1 call enable

Sample output for enabling the NIC Interface via command line if there is no error:

C:\WINDOWS\system32>wmic path win32_networkadapter where index=1 call disable
Executing (\\DESKTOP-2022NTS2\root\cimv2:Win32_NetworkAdapter.DeviceID="1")->enable()
Method execution successful.
Out Parameters:
instance of __PARAMETERS
{
ReturnValue = 0;
};

Disable NIC with index number: (eg: 1)

wmic path win32_networkadapter where index=1 call disable

Sample output for disabling the NIC Interface via command line:

C:\WINDOWS\system32>wmic path win32_networkadapter where index=1 call disable
Executing (\\DESKTOP-2022NTS2\root\cimv2:Win32_NetworkAdapter.DeviceID="1")->disable()
Method execution successful.
Out Parameters:
instance of __PARAMETERS
{
ReturnValue = 0;
};

Sample output if the command did not execute successfully.

C:\WINDOWS\system32>wmic path win32_networkadapter where index=7 call disable
Executing (\\DESKTOP-2022NTS2\root\cimv2:Win32_NetworkAdapter.DeviceID="7")->disable()
ERROR:
Description = Invalid method Parameter(s)

One possible reason that the command will throw an error, if the NIC is not properly configured or not in use and of course other issues that might occur.
Another reason for disable command not to work, if the commands is not executed on an admin command prompt mode or elevated CMD.
Sample output if the command is not executed on an elevated CMD.

C:\Users\chris>wmic path win32_networkadapter where index=1 call disable
Executing (\\DESKTOP-36QNTS2\root\cimv2:Win32_NetworkAdapter.DeviceID="1")->disable()
Method execution successful.
Out Parameters:
instance of __PARAMETERS
{
ReturnValue = 5;
};

It shows returnvalue of 5, which is most probably equals to "access denied".

Till next time. Cheers! God bless and stay safe.

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