The PDC Emulator
The PDC Emulator is one of the five Flexible Single Master Operations (FSMO) roles found in an Active Directory (AD) forest. There is only one Domain Controller (DC) in each …
Moving the DHCP Database
Moving the DHCP Server Database from one server to another is a fairly simple task. The first step is to export the DHCP database from the server that is running …
Restoring AD Deleted Objects Without a Recycle Bin
One of the tasks detested by many AD administrators is the recovery of deleted objects. Recovery efforts typically include restarting a production domain controller in Directory Services Restore Mode, getting …
Configuring Oracle VirtualBox for Windows 8
So, I used Oracle’s VirtualBox because I had some difficulty running this guest OS on Microsoft’s Virtual PC as well as VMWare’s Workstation. At first, I did have some trouble …
Network Topologies
Network topology is the pattern of interconnections of the various elements of a computer network. Network topologies may be physical or logical in design. Physical topology refers to the physical …
CIDR and Subnetting
Classless Inter Domain Routing (CIDR) is a method for assigning IP addresses without using the standard IP address classes like Class A, Class B or Class C. CIDR is a …
How to Install Microsoft DOS 6.22
MS-DOS, short for Microsoft Disk Operating System, is a non-graphical command line operating system created for PC-compatible computers. MS-DOS was first introduced by Microsoft in 1981. MS-DOS 6.22 was released …
Disabling Automatic IP Addressing (APIPA)
Automatic Private IP Addressing (APIPA), is a feature of Windows (except Windows NT) operating systems. With APIPA, DHCP clients can automatically self-configure their IP configuration with an IP address and …
Windows TCP/IP Configuration Overview
TCP/IP is a network protocol. It defines the language (rules) that your computer uses to communicate with other computers on the network. While most network devices on the local area …
SMTP Commands: How to Send Email Using Telnet
If you have ever needed to run a test to verify if your SMTP server can relay email, a simple way of doing so without having to load another SMTP server or …
Creating a Pop-up Message using VBScript
The Popup method produces a pop-up message box that can display a message to a user for a specified amount of time. If the message time is omitted or set …
How to Configure Proxy Settings in Internet Explorer
What is a Proxy? A proxy server acts as an accelerator and a security barrier between your internal network and the Internet. As users access the Internet via the proxy …