Repairing DHCP Client Service Access Denied Error

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If you receive an access denied message when you start the DHCP client server, it is probably because the privilege set has been changed. Some programs do this, such as third-party firewall applications.

DHCP or Dynamic Host Configuration Protocol is a network protocol used to automatically assign IP addresses.

The error often occurs after trying to execute the ipconfig /renew command at the command prompt, and it can be difficult to solve Windows problems using this method. Below are some methods that work for other users, so try them and hopefully solve your problem!

Disabling the firewall


  • Hold down the Windows icon key and press X. Scroll up the menu and click on Control Panel.
  • Click on System and Security
  • Click Enable or disable the Windows firewall.
  • Select this option to disable the Windows firewall (not recommended) for private and public network settings, then click OK.

Using Regedit


To add permissions again, you must open your program to modify the registry.

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– Click on Start, then on Run.
– Type “regedit” and press Enter.
– Access the following folders


– Right-click and select Permissions to add permissions.
– Adding the local service or network account
– Give him full control rights.
– Access DHCP customer service under Services
– Check again whether the connected user is using the correct user name. In this case, it must be a local or network service.
– Restart DHCP client service.

Updating or resetting your network drivers


To be honest, updating and resetting the driver are two opposite actions, but it all depends on which driver brought the error to your computer. If you are using older drivers that are no longer supported on your computer, an update is almost certain to solve the problem.

However, if the problem occurs after you have updated your driver in one way or another, a look back may be sufficient until a new, safer driver is available. You must also update or reset the network device to which you are connecting to the Internet (wireless, Ethernet, etc.), but do the same process, none of them should do any harm.

  1. First of all, you must uninstall the driver you currently have installed on your computer.
  2. Type “Device Manager” in the search box next to the Start Menu button to open the Device Manager window. You can also use Windows + R to open the Run dialog box. Type devmgmt.msc in the field and click OK or Enter.
  3. Expand the Network Adapters section. This will display all network adapters currently installed on the machine.

Restart the DHCP service

As soon as all authorizations have been applied, a final check is carried out. Open services.msc and search for DHCP client service and check if it is in working order. Click Stop, then restart it. Also make sure that its start type is set to Automatic. Many other network services depend on it, and if they do not, others will.

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