保留存储^{(Reserved Storage)}是Windows 11/10中的一项功能。此功能的主要目标是确保在下载Windows 10 更新^(Update)时 Windows PC 不会耗尽存储空间。但是，它仅由Windows 10 安装^(Setup)过程启用，用于新安装或重置 Windows。在这篇文章中，我们将展示如何使用DISM命令来启用或禁用Windows 11/10中的保留存储^(Storage)。最好的部分是您现在可以按需启用或禁用它，这意味着它不依赖于Windows 安装^{(Windows Setup)}过程。

从Windows 10 v2004 2020 年 5 月^{(May 2020)} 更新^(Update)开始，Microsoft通过在^(Microsoft)DISM命令中添加额外选项，让任何人都可以轻松了解Windows 10中的预留存储。^{(Windows 10)}

使用DISM^(DISM)禁用或启用保留存储

让我们看看如何使用命令提示符^{(Command Prompt)}或PowerShell在^(PowerShell)DISM命令行中使用新的ReservedStorageStat参数来管理Windows 11/10中的预留存储^{(Reserved Storage)}。

DISM或部署映像服务^{(Deployment Image Servicing)}和管理^(Management)是一个命令行工具。它用于挂载和服务Windows映像。它也可用于修复正在运行的操作系统中的问题。使用以下步骤管理Windows中的保留存储。

使用管理员权限打开命令提示符^{(Command Prompt)}或PowerShell

要启用 Resverd 存储：

DISM.exe /Online /Set-ReservedStorageState /State:Enabled

要禁用保留存储：

DISM.exe /Online /Set-ReservedStorageState /State:Disabled

完成后，要检查预留存储^{(Reserved Storage)}功能的状态，您可以执行：

DISM.exe /Online /Get-ReservedStorageState

虽然更改应立即应用，但您始终可以重新启动以检查它是启用还是禁用。

有时您可能会收到DISM 错误 87^{(DISM error 87)}，说明该选项不存在。在这种情况下，您需要使用 cleanup-image 选项执行DISM命令，然后重试。如果正在进行Windows 10 更新^(Update)下载，也会出现该错误。

最后，该命令适用于在线Windows 映像^{(Windows Images)}或 Windows 10 PC，但不适用于离线映像。如果保留的存储正在使用中，它也将不起作用，并且将返回错误：

This operation is not supported when reserved storage is in use. Please wait for any servicing operations to complete and then try again later.

如果您愿意，也可以通过注册表启用保留存储^{(enable Reserved Storage via Registry)}并减小大小。

如果您尝试在除Windows 10 v2004 之外的任何其他版本上运行，它会抛出错误消息：

Error: 87. The set-reservedstoragestate option is unknown.

选项Set-ReservedStorageState^{(Set-ReservedStorageState)}和Get-ReservedStorageState会发生这种情况。

我希望这篇文章很容易理解，并且您能够使用DISM命令禁用或启用Windows 10中的^{(Windows 10)}保留存储^{(Reserved Storage)}功能。

Disable or Enable Reserved Storage using DISM command line

Reserved Storage is a feature in Windows 11/10. The primary goal of this feature is to make sure that Windows PC does not run out of storage space when it is time to download Windows 10 Update. However, it was only enabled by the Windows 10 Setup process either for new installation or when you reset Windows. In this post, we will show how you can use the DISM commands to enable or disable Reserved Storage in Windows 11/10. The best part is that you can now enable or disable it on demand which means it does not depend on the Windows Setup process.

Starting with Windows 10 v2004 May 2020 Update, Microsoft has made it easy for anyone to find out about Reserved Storage in Windows 10 by adding extra options in the DISM command.

Disable or Enable Reserved Storage using DISM

Let us see how to use the new ReservedStorageStat parameter in the DISM command-line using Command Prompt or PowerShell to manage Reserved Storage in Windows 11/10.

DISM or Deployment Image Servicing and Management is a command-line tool. It is used to mount and service Windows images. It can also be used to fix problems in a running operating system as well. Use the following steps to manage the reserved storage in Windows.

Open Command Prompt or PowerShell with admin permission

To enable Resverd Storage:

DISM.exe /Online /Set-ReservedStorageState /State:Enabled

To disable Reserved Storage:

DISM.exe /Online /Set-ReservedStorageState /State:Disabled

Once done, to check the status of the Reserved Storage feature, you can execute:

DISM.exe /Online /Get-ReservedStorageState

While the changes should apply instantly, you can always restart to check if it was enabled or disabled.

At times you may get a DISM error 87 saying that the option doesn’t exist. In that case, you will need to execute the DISM command with the cleanup-image option and then try again. The error also occurs if there is an ongoing Windows 10 Update downloading.

Lastly, the command works for online Windows Images or on Windows 10 PC but not on offline images. It will also not work if the reserved storage is in use, and will return an error:

This operation is not supported when reserved storage is in use. Please wait for any servicing operations to complete and then try again later.

It is also possible to enable Reserved Storage via Registry and reduce the size if you wish.

If you try to run on any other version, apart from Windows 10 v2004, it will throw an error saying:

Error: 87. The set-reservedstoragestate option is unknown.

It will happen for options Set-ReservedStorageState and Get-ReservedStorageState.

I hope the post was easy to follow, and you were able to disable or enable the Reserved Storage feature in Windows 10 using DISM commands.

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