Remote Access IP ARP Driver (wanarp) Service Defaults in Windows 10

Remote Access IP ARP Driver.

Default Settings

Startup type:
Windows 10 Home 1507Manual
Windows 10 Pro 1507Manual
Windows 10 Education 1507Manual
Windows 10 Enterprise 1507Manual
Windows 10 Home 1511Manual
Windows 10 Pro 1511Manual
Windows 10 Education 1511Manual
Windows 10 Enterprise 1511Manual
Windows 10 Home 1607Manual
Windows 10 Pro 1607Manual
Windows 10 Education 1607Manual
Windows 10 Enterprise 1607Manual
Windows 10 Home 1703Automatic
Windows 10 Pro 1703Automatic
Windows 10 Education 1703Automatic
Windows 10 Enterprise 1703Automatic
Windows 10 Home 1709Automatic
Windows 10 Pro 1709Automatic
Windows 10 Education 1709Automatic
Windows 10 Enterprise 1709Automatic
Windows 10 Home 1803Automatic
Windows 10 Pro 1803Automatic
Windows 10 Education 1803Automatic
Windows 10 Enterprise 1803Automatic
Windows 10 Home 1809Automatic
Windows 10 Pro 1809Automatic
Windows 10 Education 1809Automatic
Windows 10 Enterprise 1809Automatic
Windows 10 Home 1903Automatic
Windows 10 Pro 1903Automatic
Windows 10 Education 1903Automatic
Windows 10 Enterprise 1903Automatic
Windows 10 Home 2004Automatic
Windows 10 Pro 2004Automatic
Windows 10 Education 2004Automatic
Windows 10 Enterprise 2004Automatic
Windows 10 Home 20H2Automatic
Windows 10 Pro 20H2Automatic
Windows 10 Education 20H2Automatic
Windows 10 Enterprise 20H2Automatic
Windows 10 Home 21H1Automatic
Windows 10 Pro 21H1Automatic
Windows 10 Education 21H1Automatic
Windows 10 Enterprise 21H1Automatic
Windows 10 Home 21H2Automatic
Windows 10 Pro 21H2Automatic
Windows 10 Education 21H2Automatic
Windows 10 Enterprise 21H2Automatic
Display name:Remote Access IP ARP Driver
Service name:wanarp
Service type:kernel
Error control:normal
Group:NDIS
Path:%SystemRoot%\System32\DRIVERS\wanarp.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wanarp

Default Behavior

Remote Access IP ARP Driver is a kernel device driver. It is starting only if the user, an application or another service starts it in all editions of Windows 10 1507, Windows 10 1511, Windows 10 1607. This service is starting automatically when the operating system starts in all editions of Windows 10 1703, Windows 10 1709, Windows 10 1803, Windows 10 1809, Windows 10 1903, Windows 10 2004, Windows 10 20H2, Windows 10 21H1, Windows 10 21H2.

If Remote Access IP ARP Driver fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the wanarp service has failed to start due to the error.

Restore Default Startup Configuration of Remote Access IP ARP Driver

1. Run the Command Prompt as an administrator.

2. Depending on the version of your operating system, copy the commands below, paste them into the command window and press ENTER.

For Windows 10 1507 Home, Windows 10 1507 Pro, Windows 10 1507 Education, Windows 10 1507 Enterprise, Windows 10 1511 Home, Windows 10 1511 Pro, Windows 10 1511 Education, Windows 10 1511 Enterprise, Windows 10 1607 Home, Windows 10 1607 Pro, Windows 10 1607 Education, Windows 10 1607 Enterprise:
sc config wanarp start= demand

For Windows 10 1703 Home, Windows 10 1703 Pro, Windows 10 1703 Education, Windows 10 1703 Enterprise, Windows 10 1709 Home, Windows 10 1709 Pro, Windows 10 1709 Education, Windows 10 1709 Enterprise, Windows 10 1803 Home, Windows 10 1803 Pro, Windows 10 1803 Education, Windows 10 1803 Enterprise, Windows 10 1809 Home, Windows 10 1809 Pro, Windows 10 1809 Education, Windows 10 1809 Enterprise, Windows 10 1903 Home, Windows 10 1903 Pro, Windows 10 1903 Education, Windows 10 1903 Enterprise, Windows 10 1909 Home, Windows 10 1909 Pro, Windows 10 1909 Education, Windows 10 1909 Enterprise, Windows 10 2004 Home, Windows 10 2004 Pro, Windows 10 2004 Education, Windows 10 2004 Enterprise, Windows 10 20H2 Home, Windows 10 20H2 Pro, Windows 10 20H2 Education, Windows 10 20H2 Enterprise, Windows 10 21H1 Home, Windows 10 21H1 Pro, Windows 10 21H1 Education, Windows 10 21H1 Enterprise, Windows 10 21H2 Home, Windows 10 21H2 Pro, Windows 10 21H2 Education, Windows 10 21H2 Enterprise:
sc config wanarp start= auto
sc start wanarp

3. Close the command window and restart the computer.

The wanarp service is using the wanarp.sys file that is located in the C:\Windows\System32\DRIVERS directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.