IT Knowledgebase Articles

As you all probably know by now, Vista’s new Aero Theme is one of the cool features of Microsoft’s current operating system. The Aero Theme has, however, some drawbacks. You can read more about these issues in my “Aero Theme is bad, disable it” article. The Aero theme has one major drawback you might want…

Virtual machine technology enables multiple operating systems to run concurrently on a single machine. Microsoft Hyper-V, a key feature of Windows Server 2008, enables one or more operating systems to run simultaneously on the same physical system. Hyper-V provides scalability and high performance by supporting features like guest multi-processing support and 64-bit guest and host…

This article is a non-direct continuation of the “What is a Public Key Infrastructure (PKI)?” found on the Petri IT Knowledgebase. Public-Key Cryptography and One-Way Functions As written in previous articles, Public-Key cryptography (as opposed to symmetric key cryptography) relies on one-way functions, which are functions that are easy to calculate but hard to invert…

The Internet Protocol version 4 (IPv4) (RFC791) there is a field, called "Protocol", to identify the next level protocol. This is an 8 bit field. In Internet Protocol version 6 (IPv6) (RFC1883 and RFC2460) this field is called the "Next Header" field. Protocol Numbers  0 HOPOPT IPv6 Hop-by-Hop Option 1 ICMP Internet Control Message 2…

One of the major headaches when dealing with Active Directory is the issues of accidental deletion of objects by un-trained or malicious people. Of course one must have the right permissions in Active Directory in order to be able to delete any object from it, but this does happen now and then. For example, you…

Microsoft’s newest operating system, Windows Server 2008, has only been released for a few weeks. The new OS features a new version of IIS, Server Core, Virtualization, Security, and all new Management features. Train Signal has released a 6+ hour course on DVD and is currently giving this away for free with any order. The…

Problems in Synchronizing a Pocket PC with Exchange Server 2003 when using SSL and Forms-Based Authentication in OWA As written in my other article (How to Synchronize a Pocket PC with Exchange 2003?), Exchange Server 2003 has many new features tailored for mobile users. One of them is ActiveSync which can be used to establish…

Windows 2000/XP/2003 added the ability to cache DNS lookup results in the client’s cache. This cache can be viewed by typing ipconfig /displaydns in the command prompt: Windows IP Configuration ddlnetwork.net —————————————- Record Name . . . . . : ddlnetwork.net Record Type . . . . . : 1 Time To Live . ….

As I discussed in my previous article – “Share Calendars with Local Users using Internet Publishing“, Outlook 2007 has improved calendar sharing using Office Online. You can share your calendar with everyone, or with only designated people, by publishing your Internet Calendars to Office Online. You can publish and share your calendars with others by…

How can I pre-configure the default language for the folder names inside my mailbox? If you use Microsoft Outlook Web Access to log on to a mailbox for the very first time, the following folders are always created in English: Calendar Journal Tasks Notes Contacts Only the standard Messaging Application Programming Interface (MAPI) folders are…