IT Knowledgebase Articles

What’s my Exchange 2000/2003 Version?

Last Update: Dec 03, 2024

How can I tell if I am running Exchange Enterprise server or Standard server? Exchange 2000/2003 Standard edition differs from the Enterprise edition in quite a few aspects. Among them is the 16GB database size limit, lack of Clustering support, lack of ability to act as a Front-End server (this limit was in fact removed…

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What’s my Exchange 2000 SP Version?

Last Update: Dec 03, 2024

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…

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What’s CIDR?

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…

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What is ASR in Windows XP and Windows Server 2003?

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:…

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What’s APIPA?

Last Update: Jul 04, 2025

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…

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What’s Active Directory Cleanup Wizard

Last Update: Sep 17, 2024

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…

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What’s a Trojan Horse?

Last Update: Sep 17, 2024

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…

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Well Known Port Numbers

Last Update: Sep 17, 2024

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…

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Welcome Screen Does Not Appear in XP

Last Update: Sep 17, 2024

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…

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Windows 2000 Domain Rename

Last Update: Jul 04, 2025

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…

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