在这篇文章中，我们研究了为什么Windows 10和Windows Server中的漫游用户^{(Roaming user profiles)}配置文件与早期版本的Windows中的^(Windows)漫游用户配置文件^{(Roaming user profiles)}不兼容。我们还将提供建议以帮助解决此问题。

漫游用户配置文件不兼容

当您尝试在使用Windows 7中的漫游配置文件的环境中部署Windows 10时，您会遇到以下行为：

使用具有现有Windows 7或Windows 8.1 配置文件的用户帐户首次登录到基于Windows 10的计算机后，Windows 10中的组件将读取并更改配置文件状态。此外，某些Windows 7、Windows 8.1 或Windows 10功能可能无法按预期工作，因为预期的配置文件状态不存在。例如，开始^(Start)菜单不会启动。Cortana，任务栏^(Taskbar)没有响应。并且缺少任务栏图标。 

此外，当您尝试使用相同的用户帐户登录到基于Windows 7的计算机时，在^{(Windows 7)}Windows 10中执行的用户配置文件修改可能无法在Windows 7或Windows 8.1 中按预期工作。

Windows 10中漫游用户配置文件版本控制不兼容问题的原因

默认情况下，Windows 10 客户端使用“ v5 ”配置文件文件夹扩展名。在早期版本的Windows上，默认版本是“ v2 ”。

此问题是由于您使用具有现有Windows 7、Windows 8 或Windows 8.1 配置文件的用户帐户首次登录基于Windows 10 的计算机后，“v5”或“ v6 ”版本的配置文件已创建。

要解决此问题，Microsoft建议您确保不要禁用Profile Versioning。

默认情况下，配置文件版本控制在Windows 10、Windows Server 2016和更高版本的Windows中启用。

此行为是设计使然，并且由于配置文件版本之间的不兼容性而实施。如果使用漫游配置文件的用户帐户同时登录Windows 10和更早版本的Windows，则每种版本类型都必须有一个配置文件。

您可以找到有关强制配置文件的更多信息。这里。

I hope you find this guide useful enough!

Roaming user profiles versioning incompatibility issues in Windows 10

In this post, we examine why Roaming user profiles in Windows 10 and Windows Server are incompatible with Roaming user profiles in earlier versions of Windows. We will also provide recommendations to help resolve this issue.

Roaming user profiles are incompatible

When you try to deploy Windows 10 in an environment that uses roaming profiles in Windows 7, you experience the following behavior:

After you use a user account that has an existing Windows 7 or Windows 8.1 profile to log on to a Windows 10-based computer for the first time, the components from Windows 10 read and change the profile state. Also, certain Windows 7, Windows 8.1 or Windows 10 features may not work as expected because the expected profile state isn’t present. For example, the Start menu does not start. Cortana, Taskbar is unresponsive. And taskbar icons are missing. 

Additionally, when you try to use the same user account to log on to a Windows 7-based computer, the user profile modification that was performed in Windows 10 may not work as expected in Windows 7 or Windows 8.1.

Cause of roaming user profiles versioning incompatibility issues in Windows 10

By default, Windows 10 clients use a “v5” profile folder extension. On earlier versions of Windows, the default version was “v2“.

This issue is caused by after you use a user account that has an existing Windows 7, Windows 8, or Windows 8.1 profile to log on to a Windows 10-based computer for the first time, a “v5” or “v6” version of the profile is created.

To resolve this issue, Microsoft suggests you make sure that you do not disable Profile Versioning.

By default, profile versioning is enabled in Windows 10, Windows Server 2016 and later versions of Windows.

This behavior is by design and was implemented because of the incompatibilities between profile versions. If user accounts that use roaming profiles log on to both Windows 10 and earlier versions of Windows, there must be a profile for each version type.

You can find more information about Mandatory Profiles. here.

I hope you find this guide useful enough!

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