本教程对于那些想知道如何为Windows 11/10/8.1中的所有用户设置默认用户登录图片的用户^{(set a DEFAULT User Logon Picture for ALL users)}非常方便。可能是办公室计算机的情况，您可能希望在少数计算机上显示默认公司徽标。这可以通过在Windows 注册表^{(Windows Registry)}或组策略^{(Group Policy)}中进行小的更改来轻松实现。

为所有用户设置默认用户登录图片^{(User Logon Picture)}

要一次性更改默认用户帐户图片，请获取要显示为默认登录图片的图片。图像可以是.JPEG、.BMP、.DIB、.RLE或 .PNG 格式。

图像大小应为 125x125px，以便正确显示。如果使用的图像大于此尺寸，则将自动裁剪以适合登录框 - 或者图像可能被截断。

现在，通过文件夹^(Folder)选项^(Options)启用显示^(Show)隐藏文件以更改默认登录图像，因为程序数据^{(Program Data)}存储默认帐户图片 - 默认情况下它是隐藏的。

接下来，导航到以下文件夹：

• Windows 10：C:\ProgramData\Microsoft\用户帐户图片^{(Account Pictures)}
• Windows 8.1：C:\ProgramData\Microsoft\Default帐户图片^{(Account Pictures)}

这里将guest.bmp和user.bmp分别重命名为guest.bmp.bak和user.bmp.bak。

完成此操作后，将要显示为默认登录图片的图像复制粘贴到此处。

关闭帐户图片文件夹。

Now let us see how to set a default User Logon Picture for all users!

使用 Windows 注册表

打开注册表编辑器^{(Registry Editor)}。为此，请按Win+R打开“运行”^(Run)对话框，键入regedit并按 Enter。

导航到以下键：

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer

在右侧面板中，右键单击并选择New > DWORD (32-bit) Value。将其命名为UseDefaultTile。

点击^(Click)修改^(Modify)。_ 将此DWORD（32 位）的数值^{(Enter Value)}数据输入为1 ，然后单击“⁽¹⁾确定”。^{(OK. A)}将添加一个新的注册表项。

完成后关闭注册表编辑器^{(Registry Editor)}并重新启动计算机以应用更改。

系统重启后，所有用户都会出现这个新的默认用户登录图片。

如果您不想保留默认登录图像，则只需转到注册表编辑器并导航到相同的键

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer

并删除UserDefaultTile。

使用组策略

如果您对如何在域环境中处理组策略有基本的了解，那么只需单击几下即可完成这些类型的更改。这些更改将实时影响连接到该域控制器的所有计算机。无需深入注册表即可轻松应用或删除组策略。^{(Group Policy)}

如果您的Windows版本包含Group Policy，则运行gpedit.msc并导航到以下设置：

Computer Configuration > Administrative Templates > Control Panel > User Accounts。

此策略设置允许管理员将系统上所有用户的帐户图片标准化为默认帐户图片。此策略设置的一个应用是将帐户图片标准化为公司徽标。

注意：默认帐号图片存储在 % PROGRAMDATA % \Microsoft\User Account Pictures\user.jpg中。默认访客图片存储在 % PROGRAMDATA % \Microsoft\User Account Pictures\guest.jpg。如果默认图片不存在，则会显示一个空框。

如果启用此策略设置，系统上的所有用户都将显示默认用户帐户图片，不允许自定义。

如果您禁用或不配置此策略设置，用户将能够自定义他们的帐户图片。

双击将默认用户登录图片应用到所有用户^{(Apply the default user logon picture to all users)}，并启用此设置。Click OK/Apply并退出^(Exit)。

希望这对你有用。^{(Hope this works for you.)}

如果您想删除 Windows 中的旧用户帐户图片，请参阅此帖子。

Set a Default User Logon Picture for all Users in Windows 11/10

This tutorіal comes in handy for those users who want tо know how to set a DEFAULT User Logon Picture for ALL users in Windows 11/10/8.1. It could be the case of an office computer, where you may want to display the default company logo on a small number of computers. This can easily be achieved by making small changes in the Windows Registry or the Group Policy.

Set a default User Logon Picture for all Users

To change the default User Account Picture in one go, get a picture that you want to display as the default logon picture. The image can be in .JPEG, .BMP, .DIB, .RLE, or .PNG format.

The image size should be 125x125px, in order to display properly. If the image used is bigger than this size, then it will be automatically cropped to fit the logon frame – or the image could be cut off.

Now, enable Show hidden files via Folder Options in order to change the default logon image, as Program Data stores default account pictures – and it is hidden by default.

Next, navigate to the following folder:

• Windows 10:  C:\ProgramData\Microsoft\User Account Pictures
• Windows 8.1: C:\ProgramData\Microsoft\Default Account Pictures

Here rename guest.bmp and user.bmp as guest.bmp.bak and user.bmp.bak respectively.

Once you have done this, copy-paste the image that you want to show as the default logon picture, here.

Close the Account Picture folder.

Now let us see how to set a default User Logon Picture for all users!

Using Windows Registry

Open the Registry Editor. To do so, press Win+R to open Run dialog box, type regedit and press Enter.

Navigate to the following key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer

In the right panel, right-click and select New > DWORD (32-bit) Value. Give it the name UseDefaultTile.

Click on Modify. Enter Value data as 1 for this DWORD (32-bit) and hit OK. A new registry entries will be added.

Once done close the Registry Editor and restart the computer to apply the changes.

After the system restart, this new default user logon picture will appear for all users.

In case you don’t want to keep the default logon image then simply go to registry editor and navigate to this same key

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer

and delete UserDefaultTile.

Using Group Policy

If you have a basic understanding of how to work on group policy in a domain environment then these kinds of changes can be done in just a few clicks. The changes will affect all the computers connected to that domain controller in real-time. The Group Policy can be easily applied or removed without going deep into the registry.

If your version of Windows includes Group Policy, then Run gpedit.msc and navigate to the following setting:

Computer Configuration > Administrative Templates > Control Panel > User Accounts.

This policy setting allows an administrator to standardize the account pictures for all users on a system to the default account picture. One application for this policy setting is to standardize the account pictures to a company logo.

Note: The default account picture is stored at %PROGRAMDATA%\Microsoft\User Account Pictures\user.jpg. The default guest picture is stored at %PROGRAMDATA%\Microsoft\User Account Pictures\guest.jpg. If the default pictures do not exist, an empty frame is displayed.

If you enable this policy setting, the default user account picture will display for all users on the system with no customization allowed.

If you disable or do not configure this policy setting, users will be able to customize their account pictures.

Double-click Apply the default user logon picture to all users, and enable this setting. Click OK/Apply and Exit.

Hope this works for you.

See this post if you want to remove old User Account Pictures in Windows.

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