DHCP Client – Error 5: Access is denied.

I’ve had this on a few windows 2003 machines, where the “DHCP client” service refuses to start and prompts with an access denied window.

Unsure of the cause at this point (it may be a security patch), but here is the fix…

Give the local “network service” account full rights to the following registry key;

hkey_local_machine\system\currentcontrolset\services\dhcp

Now try starting the service, should work. In some cases you may also need to add the rights to the following key..

hkey_local_machine\system\currentcontrolset\services\tpip

Done.

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