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: Dec 03, 2024
It seems that Outlook 2007 wrongfully displays e-mail messages that are written in plain text. When the local system locale is one of right-to-left format, the e-mail is displayed from right to left in the preview pane, and also when you open it in a separate window even if the email isn’t written in a right-to-left type of language. In this article, MVP Daniel Petri explains how to correct this issue and have your emails display properly.

Last Update: Dec 03, 2024
Windows Virtual PC provides the capability to run multiple Windows environments from your Windows 7 desktop. In this article by MVP Daniel Petri, learn the steps for installing Windows XP Mode (also known as XPM) on your Windows 7 computer.

Last Update: Nov 19, 2024
Windows Virtual PC is a feature of Windows 7 (Professional, Ultimate, and Enterprise) that allows you to run multiple Windows environments from your Windows 7 desktop. In this article by MVP Daniel Petri, learn the impressive new features and installation steps for this latest version of Virtual PC.

Last Update: Nov 19, 2024
Windows Server 2003 includes support for a startup switch (entered in the Boot.ini file) that lets you tune the allocation of use of memory and memory address space. This small change can have significant benefits for Exchange Server… learn all about it in this article by MVP Daniel Petri.

Last Update: Jul 29, 2025
In this article, MVP Daniel Petri walks through the process of SMTP authentication using the SMTP-AUTH login command. Get detailed instructions and examples for connecting users to your mail server via this method.

Last Update: Sep 04, 2024
Unfortunately, there’s always potential for a software malfunction that cannot be repaired by using a Safe Mode boot or a system repair. When this happens, you may need to restore your system from a previously backed-up system image. In this article, MVP Daniel Petri walks you through the process specifically for Windows 7.

Last Update: Nov 19, 2024
While there are plenty of 3rd-party tools that allow you to find the exact uptime of your system, there are also several tools that are either built-in to Windows Server 2008, or can be used quite easily. This article walks through seven such methods for finding your server’s uptime.

Last Update: Nov 19, 2024
If you’re having Internet connectivity issues, if you’re looking to call your ISP’s support, and want to have some details about the speed of your Internet connection, or if you’re simply curious to see how fast your Internet connection really is, then this tip is for you.

Last Update: Dec 03, 2024
Learn how to do a clean installation of Microsoft Office along with SP1/SP2 updates at the same time with this step-by-step article on slipstreaming Office 2007 by MVP Daniel Petri.

Last week, MVP and Exchange expert Daniel Petri was given the position of leader for Israel’s Unified Communication User Group. With Daniel’s lead, this UG will focus on the upcoming Exchange Server 2010, preparing Israel’s IT Pros for the launch event. During the UG’s meetings, new sessions will be presented, and round table ask-the-experts events…

Last Update: Nov 19, 2024
System Center Virtual Machine Manager (SCVMM or VMM for short) 2008 is Microsoft’s management tool for Hyper-V and Virtual Server 2005. In this article by MVP Daniel Petri, learn how to resolve a persistent “Needs Attention” Hyper-V status with two quick downloads.

Last Update: Sep 04, 2024
One of the most handy tricks in Windows Vista (and previous operating systems) is the My Computer shortcut. In this article, MVP Daniel Petri shows you how to quickly access any folder on your computer through a cool toolbar shortcut.