动态主机配置协议( DHCP)^{(Dynamic Host Configuration Protocol (DHCP))}是一种客户端/服务器协议，它基本上可以通过以太网^(Ethernet)或WiFi连接到互联网。如果您收到错误消息“ Windows 无法在本地计算机上启动 DHCP 客户端^{(Windows could not start the DHCP client on Local Computer)}”，或者DHCP 客户端服务在^{(DHCP Client Service)}Windows 11/10中给出错误 5 访问被拒绝^{(Error 5 Access is Denied)}消息，请阅读本指南以解决问题。

DHCP 客户端服务^{(DHCP Client Service)}给出拒绝访问^{(Access Denied)}错误

DHCP 客户端可作为服务使用，并将 IP 地址、Mac 地址^{(Mac address)}、域名等配置信息传递给计算机。如果此服务停止或操作系统无法访问它，计算机将不会收到动态 IP 地址和DNS更新。

1]检查DHCP的权限

要授予注册表项的完全权限^{(give full permission to the Registry key)}，请单击“开始^(Start)”按钮，然后在“搜索”框中键入regedit。

右键单击 regedit.exe，然后单击以管理员身份运行。^(Run)如果出现提示，请输入您的用户名和密码，然后单击确定。

浏览到以下键：

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dhcp\Configurations

右键单击配置^{(Configurations)}项，然后单击权限。

在组^(Group)或用户名下，选择您的帐户。

在权限中的允许列下，^{(Allow column in Permissions,)}确保选中完全控制^{(Full Control)}和读取^(Read)框。

单击应用，然后单击确定。

如果您的名字不存在，请单击添加按钮^{(Add Button)}。然后在计算机上输入您的用户名，然后添加它。然后申请权限^{(Permissions)}。

接下来，导航到以下键：

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dhcp

右键单击DHCP键，然后单击权限，然后单击高级^(Advanced)。在Name列下，单击声明MpsSvc的列，然后单击 Edit。

单击确定^{(Click OK)}关闭窗口，然后单击应用^(Apply)，然后单击确定。

如果MpsSvc不在列表中，请单击添加^(Add)，然后搜索“ NT SERVICE\mpssvc ”。添加^(Add)这个，并申请上述权限。

2]重新启动DHCP服务

应用所有权限后，这是您应该执行的最后一项检查。打开services.msc找到DHCP Client服务，查看是否处于运行状态。单击^(Click)停止，然后重新启动。^(Stop)另外，请确保其启动^(Startup)类型设置为自动^(Automatic)。许多其他网络服务都依赖它，如果失败，其他网络服务也会失败。

让我们知道这些提示是否有助于您解决问题^{(Let us know if these tips helped you to resolve your problem)}

相关阅读^{(Related read)}：Windows 无法启动服务。访问被拒绝。

DHCP Client Service gives Access Denied error in Windows 11/10

The Dynamic Host Configuration Protocol (DHCP) is a client/server protocol which essentially makes it possible to connect to the internet over Ethernet or WiFi. If you receive an error message “Windows could not start the DHCP client on Local Computer,” or if the DHCP Client Service gives an Error 5 Access is Denied message in Windows 11/10, then read this guide to fix the problem.

DHCP Client Service gives Access Denied error

DHCP Client is available as a service and passes configuration information like IP address, Mac address, domain name, etc. to the computer. If this service stops or the OS is not able to access it, the computer will not receive dynamic IP addresses and DNS updates.

1] Check Permissions for DHCP

To give full permission to the Registry key, click the Start button, then type regedit in the Search box.

Right-click regedit.exe, then click Run as administrator. If prompted, enter your user name and password and click OK.

Browse to the following key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dhcp\Configurations

Right-click on the Configurations key, and click Permissions.

Under Group or user names, select your account.

Under the Allow column in Permissions, make sure the Full Control and Read boxes are checked.

Click Apply, then click OK.

In case your name is not there, click on Add Button. Then type your username on the computer, and add it. Then apply for the Permissions.

Next, navigate to the following key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dhcp

Right-click on the DHCP key, then click Permissions, then click Advanced. Under the Name column, click the one that states MpsSvc, then click Edit.

Click OK to close the window, then click Apply, then click OK.

If MpsSvc is not in the list, click on Add, and then search for “NT SERVICE\mpssvc.” Add this, and apply for above-stated permissions.

2] Restart DHCP Service

Once all the permissions are applied, here is one last check you should perform. Open services.msc and locate DHCP Client service, and check if it is in running state. Click on Stop, and then start it again. Also, make sure that its Startup type is set to Automatic. Many other networking services depend on it, and if this fails so will others.

Let us know if these tips helped you to resolve your problem

Related read: Windows could not start Service. Access Is Denied.

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