Renowned as the creator of the acclaimed Petri IT Knowledgebase back in 1999 Daniel Petri has become a distinguished figure in the IT realm, recognized for delivering reliable, expertise-driven content. This website - www.petri.com - not only embodies Daniel's extensive technical skills but also stands as a symbol of his dedication to sharing knowledge and guiding professionals through the dynamic world of information technology.
Over the past 25 years, Daniel Petri's career is characterized by his unwavering commitment to quality IT training, provision of diverse solution architectures, and maintaining a customer-first approach that ensures high levels of satisfaction. Daniel's client-centric mindset has always been a cornerstone of his career, delivering concrete results that spur his clients' growth and success. Daniel's strong technical writing skills are evidenced by the thousands of technical documents, help guides, manuals, and articles he has penned, all drawing from his broad IT and security-oriented background.
Daniel is currently Senior Training Manager at Semperis.

Last Update: Mar 19, 2025
Microsoft defines the Windows Experience Index as the following: “The Windows Experience Index is a new feature built into Windows Vista that is designed to help you better understand how well Windows Vista and other software will perform on your PC. Your computer, running Windows Vista, is assigned a rating number called a “base score”…

Last Update: Dec 03, 2024
GFI recently announced the latest version of their anti-spam solution called “version 14”. I have used MailEssentials for many years and I am excited about some of the new features. For example, version 14 offers improved anti-spam technology, “SpamRazer” – an additional anti-spam engine, improved performance, and a real-time dashboard. You can download a free…

GFI LANguard N.S.S. is a leading security scanner that also offers patch management. Security scanning and patch management go hand in hand: Using one tool to do both makes the process more intuitive and more manageable for the administrator. GFI LANguard N.S.S. can use the Microsoft Software Update Services (SUS) tool to maintain a centralized…

Last Update: Sep 17, 2024
GFI LANguard Network Security Scanner – more info Identify & remotely install missing patches on your network with GFI LANguard Network Security Scanner. Free version available for download! Automatically detect security vulnerabilities on your network GFI LANguard Network Security Scanner (N.S.S.) checks your network for all potential methods that a hacker might use to attack…

Last Update: Jun 27, 2025
GFI MailArchiver GFI MailArchiver is a powerful yet easy-to-use email archiving solution that will allow you to archive all internal and external email into a central archive store. The simplicity of the product allows you to then easily manage the email archive stores from the web-based application, and also to allow users to browse and…

Last Update: Sep 17, 2024
GFI MailEssentials for Exchange/SMTP – more info GFI launches GFI MailEssentials for Exchange/SMTP 10: The acclaimed server-based anti-spam tool just got better Improved efficiency in spam filtering techniques and essential mail archiving options London, UK, 1 July 2004 – GFI has announced the release of GFI MailEssentials for Exchange/SMTP 10. This new version of GFI’s…

Last Update: Sep 17, 2024
GFI Network Server Monitor 7 New GFI Network Server Monitor 7 enables enhanced complex monitoring tasks for small, medium and large enterprises. London, UK, 20 October 2005 – GFI today announced the release of GFI Network Server Monitor 7, developed to meet the needs of enterprises of all sizes. The new upgrade features a…

Last Update: Dec 03, 2024
Greylisting seems to be the right method to effectively lower the spam levels your mail servers get daily. Read more about it on my Combating Spam with Greylisting article. There are quite a few Greylisting implementations available for a wide variety of SMTP mail servers. So far I was only able to find one freeware…

Last Update: Sep 17, 2024
What are the Windows Server 2003 Hardware/System requirements? Review the table on this page to determine the minimum and recommended system requirements needed to run Windows Server 2003, Standard Edition, Enterprise Edition, Datacenter Edition, and Web Edition. Requirement Standard Edition Enterprise Edition Datacenter Edition Web Edition Minimum CPU Speed 133 MHz 133 MHz for x86-based…

Last Update: May 24, 2025
Harnessing the power of Ambiguous Name Resolution (ANR) Understanding ANR The computer industry loves acronyms. Acronyms save time, instead of having to utter long sentences and waste time; you can speak the latest buzzword in the form of an acronym and in addition to saving time you will also sound cool… The following article deals…

Last Update: Jun 27, 2025
Hebrew (and Arabic) messages sent from Outlook Web Access (OWA) 2003 have subject lines made of question marks (????) The following article deals with an issue that Hebrew or Arabic speakers have when sending messages by using Outlook Web Access (OWA) 2003. This issue causes certain machines using OWA to send email messages that have…

Last Update: Nov 19, 2024
HFNetChk is a command-line tool that enables an administrator to check the patch status of all the machines in a network from a central location. The tool does this by referring to an XML database that’s constantly updated by Microsoft. HFNetChk can be run on Windows NT 4.0 or Windows 2000 systems, and will scan…