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How can I tell what SP is installed on my Exchange 2000 server? Go to your server in Exchange System Manager, right-click your server, choose Properties, and on the General tab make a note of the version number. Each version of Exchange Server includes a build number so that you can easily identify which version…

The Classless Inter Domain Routing (CIDR) standard is already in effect and most newer routers supports it. In a few years it is likely to be the way IP addressing is handled. It is already becoming common for ISP and major providers to use this scheme. The old Classfull IP Addressing scheme provided for Class…

What is the ASR feature in Windows XP/2003? How do I use it? If you run a  Windows XP Pro or Windows Server 2003 computer and you wish to backup the system you can use a new feature called Automated System Recovery (ASR). The ASR process allows to restore the system disk (usually the C:…

A Windows-based computer that is configured to use DHCP can automatically assign itself an Internet Protocol (IP) address if a DHCP server is not available. For example, this could occur on a network without a DHCP server, or on a network if a DHCP server is temporarily down for maintenance. With this feature, a Windows…

In Exchange 2000, what is the Active Directory Cleanup Wizard and what is it good for? MSKB 270652 has the following information: The Active Directory Account Cleanup Wizard is a utility designed to merge duplicate Microsoft Windows NT accounts that are created when multiple directories are migrated or upgraded to Active Directory. The Active Directory…

What is a Trojan Horse and what threat does it pose? Since "Trojan Horses" (or Backdoors) have been in the news just recently, the term probably sounds familiar to you. But perhaps you’re not quite sure what a Trojan Horse is and what damage it is capable of doing to your system. Trojan Horses, of…

I will probably build a whole section out of this page later this month. For now here is a list of all the "Well Known Port Numbers" based upon RFC1700 and http://www.iana.org/assignments/port-numbers Do you want to perform searches for ports that are used by Trojans and Viruses? Try the Trojan port search engine found on…

Why doesn’t the Welcome Screen in XP appear when I turn on my computer? On a Windows XP-based computer that is part of a workgroup and has the Fast User Switching feature enabled, the computer may start without displaying the “Welcome” logon screen. The Guest account is not relevant when Windows determines if there is…

Can I rename my Windows 2000 Domain? The short answer is YES and NO. 🙂 You can rename a Windows 2000 Server AD Domain only if it’s still configured as a Mixed mode domain. Note: Windows Server 2003 AD Domains CAN be renamed (see Windows 2003 Domain Rename page for more info). MS KB 292541…

In our previous article, “VMware Versions Compared“, we compared the various products in VMware’s product line. For example, the difference between VMware Server, Workstation, and Server ESX. In this article, we will focus specifically on the VMware ESX product line and the VMware virtualization suite called VMware Infrastructure. With a variety of VMware Infrastructure suites…

The Command Prompt is a native Windows program that lets you execute commands without using a GUI. You can accomplish pretty much every task in the Command Prompt as you can with the GUI and a mouse. The Command Prompt gets its roots (arguably) from a combination of UNIX and MS-DOS. Consider it “Windows without…

With the new Aero Theme Microsoft introduced 3D look to windows, something that Mac OS X users have had for quite a while. With Aero, the user can view the 3rd dimension of a window by flipping the window by pressing the Windows Logo key + TAB. The overall appearance of the Windows Vista desktop…