如果您的Windows Defender抛出一条错误消息，提示“扫描期间跳过的项目，则原因可能是您在扫描设置中添加了排除^{(added an Exclusion)}项，或者您的系统上禁用了网络扫描。如果您遇到此问题，您可能需要在Windows 11/10Windows Defender中启用^{(Windows Defender)}网络^(Network)扫描才能解决该问题。

在快速扫描和完整扫描期间都会出现错误消息。

在Windows Defender^{(Windows Defender)}中启用网络^(Network)扫描

有三种方法可以在Windows 11/10Windows Defender中禁用或启用^{(Windows Defender)}网络^(Network)扫描。这些中的每一个都将允许网络扫描。

1. PowerShell 方法
2. 组策略方法
3. 注册表编辑器方法

根据Windows版本和您的权限，您可以选择其中之一。

1] PowerShell方法

以管理员权限^{(PowerShell with admin privileges)}启动PowerShell

键入并执行命令：

Set-MpPreference –DisableScanningNetworkFiles 0

此命令没有输出，因此您必须从网络复制文件并查看是否仍然收到错误消息。

如果要禁用它，请将其设置为1。

2]组策略方法

打开组策略编辑器并转到：

Computer Configuration > Administrative templates > Windows components > Windows Defender Antivirus > Scan.

双击 扫描网络文件 ^{(Scan network files )}并将选项设置为已 启用。^(Enabled.)然后点击，确定。

启用该设置后，将扫描所有网络文件。

默认设置是不扫描任何网络文件。

3]注册表编辑器方法

如果您使用的是Windows Home，您可以尝试更改注册表值，因为您无法使用组^(Group) 策略^(Policies)。

打开注册表编辑器^{(Registry Editor)}并导航到：

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender

右键单击Windows Defender并创建一个名为Scan的^{( Scan)}密钥^(Key)（文件夹）

在扫描下，创建一个名为DisableScanningNetworkFiles的新^{(DisableScanningNetworkFiles)}DWORD

将 DWORD 的值设置为0以启用扫描。

关闭注册表，下次从网络复制文件时；它将被扫描。

您可以复制密钥并将其导入另一台计算机以立即应用它。

我希望这篇文章很容易理解，现在可以扫描网络文件。^{(I hope the post was easy to follow and can now scan the network files.)}

提示^(TIP)：您还可以在 Windows 11/10 上使用 Windows Defender 扫描映射的网络驱动器。^{(scan Mapped Network Drives with Windows Defender)}

How to enable Network scanning in Windows Defender on Windows 11/10

If your Wіndowѕ Defender throws up an error message saying, “Items skipped during the ѕcan then the cause could be that you added an Exclusion to your Scan settings or if you have network scanning disabled on your system. If you face this issue, you may need need to enable Network scanning in Windows Defender on Windows 11/10 to resolve the problem.

The error message appears during both quick and full scans.

Enable Network scanning in Windows Defender

There are three ways to disable or enable Network scanning in Windows Defender on Windows 11/10. Each of these will allow network scanning.

1. PowerShell Method
2. Group Policy Method
3. Registry Editor Method

Depending on the Windows version, and your privileges, you can choose one of them.

1] PowerShell Method

Launch PowerShell with admin privileges

Type and execute the command:

Set-MpPreference –DisableScanningNetworkFiles 0

There is no output for this command, so you will have to copy a file from the network and see if you still receive the error.

If you want to disable it, set it to 1.

2] Group Policy Method

Open Group Policy editor and go to:

Computer Configuration > Administrative templates > Windows components > Windows Defender Antivirus > Scan.

Double-click Scan network files and set the option to Enabled. Then click, OK.

Once you enable the setting, all network files will be scanned.

The default setting is not to scan any of the network files.

3] Registry Editor Method

If you are using Windows Home, you can try changing registry values as Group Policies are not available for you.

Open Registry Editor and navigate to:

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender

Right-click on Windows Defender and create a Key (folder) with name Scan

Under scan, create a new DWORD with name DisableScanningNetworkFiles

Set the value of the DWORD to 0 to enable scanning.

Close the Registry, next time you copy a file from the network; it will be scanned.

You can copy the key and import it into another computer to apply it instantly.

I hope the post was easy to follow and can now scan the network files.

TIP: You can also scan Mapped Network Drives with Windows Defender on Windows 11/10.

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