IT Knowledgebase Articles

Can I encrypt compressed files or folders? Can I compress encrypted files or folders? No. NTFS file compression and file encryption are mutually exclusive because of the way NTFS compression is performed. You can use only one of these options at a time on a file. If the file is compressed and you try to…

ISA Server 2000 was Microsoft’s first attempt at a commercial and full-featured Firewall + Proxy server product, offering features not found in its predecessor, Proxy Server 2.0, nor in most of the third party commercial firewall products at that time and in its price class. A few years later, and after several Service Packs and…

Greylisting is quickly emerging as the new weapon that can be effectively used to fight against spam. Greylisting is somewhat related to whitelisting and blacklisting, but instead of specifying who is on your white or black lists, Greylisting works in a different way. Each time a mailbox receives an e-mail from an unknown contact, that…

Perhaps no problem plagues the Internet as deeply as that of unsolicited junk E-mail, or SPAM. While there’s no doubt that SPAM can be annoying to the end users, SPAM can cause problems for both the network administrators and for those who own or manage a company. The reason for this is that SPAM robs…

In Windows 2000/XP/2003, how can I close many applications at-once? When you’re done working on your computer for the day, you probably close each open application one-by-one. If so, chances are that you’ve wished that you could close all you open applications at the same time. To do so, hold down the [Ctrl] key and…

This section holds a list of classroom related articles written or modified by me, with exception of a few articles grabbed from Microsoft or other resources. Some articles that are written in Hebrew have a note near them.  If you have any interesting articles you want to share, please send me a copy and I…

The tombstone lifetime must be substantially longer than the expected replication latency between the domain controllers. The interval between cycles of deleting tombstones must be at least as long as the maximum replication propagation delay across the forest. Because the expiration of a tombstone lifetime is based on the time when an object was deleted…

Description Do you need to change your organizational print server? You might find the task of updating the clients’ printers’ settings pretty tiring… This utility will update your clients’ printers to the new print server through a logon script. The utility does not affect local printers, Netware printers and network printers from a different print…

How do I change my MSN Messenger (Microsoft Passport) password? I keep getting that question a lot. It seems that a simple task such as changing your own password for the account you’re using on your MSN Messenger is something that was overlooked by the folks that designed the UI. In order to change your…

How can I change my user-account password from a Command Prompt? You can change a Windows User Account password that is on any Windows computer from any other Windows computer regardless of whether the User Account is on a workstation, a stand-alone server, or a Windows domain controller. Additionally, it makes no difference whether the…