On Windows 2003 Server, you may face an issue with the “DHCP Client” service. It keep failing at startup, causing a lot of troubles and instability of system services. If you (and probably did) follow the Microsoft TechNet article # 895149 (http://support.microsoft.com/kb/895149 and it didn’t work for you, then you may try the following: The … تابع قراءة DHCP Client Service Failed, Access Denied on Windows Server 2003