How to Enable or Disable Scan Mapped Network Drives with Microsoft Defender in Windows 10
Starting with Windows 10 version 2004, Windows Defender Antivirus as been renamed to Microsoft Defender Antivirus.
Windows Security is built-in to Windows 10 and includes an antirvirus program called Microsoft Defender Antivirus.
Microsoft Defender Antivirus helps protect your PC against malware (malicious software) like viruses, spyware, and other potentially unwanted software. Malware can infect your PC without your knowledge: it might install itself from an email message, when you connect to the Internet, or when you install certain apps using a USB flash drive, CD, DVD, or other removable media. Some malware can also be programmed to run at unexpected times, not only when it's installed.
You can set a Run full scan on mapped network drives group policy that allows you to manage whether or not Microsoft Defender scans for malicious software and unwanted software in the contents of mapped network drives when running a full scan.
Mapped network drives can always be scanned during a quick scan and custom scan.
This tutorial will show you how to enable or disable Microsoft Defender to include mapped network drives during a full scan in Windows 10.
You must be signed in as an administrator to enable or disable scan mapped network drives during a full scan.
Contents
- Option One: To Enable or Disable Scan Mapped Network Drives during Full Scan in PowerShell
- Option Two: To Enable or Disable Scan Mapped Network Drives during Full Scan in Group Policy
- Option Three: To Enable or Disable Scan Mapped Network Drives during Full Scan using a REG file
1 Open an elevated PowerShell.
2 Copy and paste the command below you want to use into PowerShell, and press Enter. (see screenshots below)
(Enable)
Set-MpPreference -DisableScanningMappedNetworkDrivesForFullScan 0
OR
(Disable)
Set-MpPreference -DisableScanningMappedNetworkDrivesForFullScan 1
3 When finished, you can close PowerShell if you like.
The Local Group Policy Editor is only available in the Windows 10 Pro, Enterprise, and Education editions.
All editions can use Option One or Option Three.
1 Open the Local Group Policy Editor.
2 Navigate to the location below in the left pane of Local Group Policy Editor. (see screenshot below)
Computer Configuration/Administrative Templates/Windows Components/Windows Defender Antivirus/Scan
OR
(Windows 10 version 2004 and higher)
Computer Configuration/Administrative Templates/Windows Components/Microsoft Defender Antivirus/Scan
3 In the right pane of Scan in Local Group Policy Editor, double click/tap on the Run full scan on mapped network drives policy to edit it. (see screenshot above)
4 Do step 5 (enable) or step 6 (disable) below for what you would like to do.
A) Select (dot) Enabled, click/tap on OK, and go to step 7 below. (see screenshot below)
A) Select (dot) Not Configured or Disabled, click/tap on OK, and go to step 7 below. (see screenshot below)
Not Configured is the default setting.
7 When finished, you can close the Local Group Policy Editor if you like.
The downloadable .reg files below will add and modify the DWORD value in the registry key below.
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Scan
DisableScanningMappedNetworkDrivesForFullScan DWORD
0 or (delete) = enable scan
1 = disable scan
1 Do step 2 (enable) or step 3 (disable) below for what you would like to do.
A) Click/tap on the Download button below to download the file below, and go to step 4 below.
Enable_scan_mapped_network_drives_in_WD_full_scan.reg
Download
This is the default setting.
A) Click/tap on the Download button below to download the file below, and go to step 4 below.
Disable_scan_mapped_network_drives_in_WD_full_scan.reg
Download
4 Save the .reg file to your desktop.
5 Double click/tap on the downloaded .reg file to merge it.
6 When prompted, click/tap on Run, Yes (UAC), Yes, and OK to approve the merge.
7 Restart the computer to apply.
8 If you like, you can now delete the downloaded .reg file.
That's it,
Shawn
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