如果当您尝试将Windows 服务器^{(Windows Server)}提升为域控制器^{(Domain Controller)}(DC) 时，在您提交先决条件后并且在Windows执行最终验证时，您收到错误消息Verification of Prerequisites for Domain Controller Promotion failed，您可以尝试修复在这篇文章中解决这个问题。

发生此错误时，您将无法将服务器升级为 DC。请注意，如果您安装了Active Directory 证书服务^{(Active Directory Certificate Services)}( AD CS )，则预计会出现此问题。

验证域控制器^{(Domain Controller)}升级的先决条件失败

DCPromo（域控制器启动器）是Active Directory中的一个工具，用于安装和删除Active Directory 域 服务^(Services)并提升域控制器。DCPromo在^(DCPromo)Active Directory中构建林和域，自Windows 2000以来的每个版本的Windows Server中都可以找到它。

如果您遇到此问题，您需要执行 3 步修复，其中涉及您首先删除ADCS角色。其次，您然后将服务器提升到 DC。第三，您现在可以重新安装AD CS角色。

让我们看一下分步指南。

请执行下列操作：

• 打开服务器管理器^{(Open Server Manager)}。
• 单击管理^(Manage)。
• 在上下文菜单中，选择 删除角色和功能^{(Remove Roles and Features)}。
• 在“删除角色和功能向导^{(Remove Roles and Features Wizard)}”中，单击左侧窗格中的服务器角色。^{(Server Roles)}
• 在向导^(Wizard)中间的角色^(Roles)窗格下，取消选中 Active Directory 证书服务^{(Active Directory Certificate Services)}下的证书颁发机构^{(Certification Authority)}。
• 在出现的弹出窗口中，单击删除功能^{(Remove Features )}按钮。
• 接下来，当您看到您为Active Directory 证书服务^{(Active Directory Certificate Services)}选择的角色已被删除时，您可以单击关闭^(Close)按钮退出删除角色和功能向导。^{(Remove Roles and Features Wizard)}

现在您可以重试将服务器提升到域控制器 -^{(Domain Controller –)}这一次，操作应该成功完成，没有任何错误。成功将服务器提升为域控制器^{(Domain Controller)}后，您可以重新安装我们在上一步中删除的Active Directory 证书服务^{(Active Directory Certificate Services)}( AD CS )。

希望这可以帮助！

Verification of prerequisites for Domain Controller promotion failed

If when yoυ attempt to promote a Windows Server to a Domain Controller (DC), after you submit the Prerequisites and while Windows is performing the final verification, you receive the error message Verification of prerequisites for Domain Controller promotion failed, you can try the fix in this post to resolve this issue.

When this error occurs, you will be unable to promote the server to DC. It should be noted that this issue is expected to occur if you’ve Active Directory Certificate Services (AD CS) installed.

Verification of prerequisites for Domain Controller promotion failed

DCPromo (Domain Controller Promoter) is a tool in Active Directory that installs and removes Active Directory Domain Services and promotes domain controllers. DCPromo, which builds forests and domains in Active Directory, is found in every version of Windows Server since Windows 2000.

In the event you’re faced with this issue, you need to perform a 3-step fix which involves you first remove the ADCS role. Secondly, you then promote the server to DC. And thirdly, you can now reinstall the AD CS role.

Let’s take a look at the step-by-step guide.

Do the following:

• Open Server Manager.
• Click Manage.
• In the context menu, select Remove Roles and Features.
• In the Remove Roles and Features Wizard, click Server Roles on the left pane.
• Under the Roles pane in the middle of the Wizard, uncheck Certification Authority under Active Directory Certificate Services.
• On the pop-up that appears, click Remove Features button.
• Next, you can click the Close button to exit Remove Roles and Features Wizard when you see that your selected roles for Active Directory Certificate Services has been removed.

Now you can retry promoting the server to Domain Controller – this time, the operation should complete successfully without any error. Once you have successfully promoted the server to Domain Controller, you can then reinstall the Active Directory Certificate Services (AD CS), which we removed in the previous step.

Hope this helps!

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