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: Sep 17, 2024
One of the most frequent questions on virtualization forums that deal with server deployments is the question of how should one deploy their Active Directory domain controllers. Should they be deployed on stand-alone separate servers, should they be kept on separate physical servers, or should they be run inside virtual machines that are hosted on…

Last Update: Jul 07, 2025
Remotely accessing your servers and workstations through terminal services or RDP is an easy method of doing your job from a remote location, or gaining access to specific published applications that have been published on your servers. However, without properly investing in securing these types of RDP connections, you could be compromising the security and…

Last Update: Sep 17, 2024
In the past year notebooks have outsold desktop computers for the first time. If you have Outlook both on your Desktop computer and on your notebook (or netbook), then you’ll want to have the same e-mails, contacts and calendars and both machines. This article provides a step-by-step tutorial on how to do exactly that with…

Last Update: Dec 03, 2024
How do I deploy SP1? Service Pack 1 (SP1) includes installation files that you can extract from the XPsp1.exe file. This file contains all of the service pack binary files that have been updated for SP1; it also contains the Update.exe program file. XPsp1.exe is a self-extracting compressed file. You can extract all of the…

Last Update: Sep 24, 2024
A word about working with Group Policy Objects (GPOs) and Terminal Servers Recently I had a long conversation with one of my clients about the proper way for using GPOs. I think my readers could benefit from the stuff that was said there. Naturally, the client’s name and details are not an issue and are…

Last Update: Nov 19, 2024
As described in the previous articles in this series, Active Directory snapshots in Windows Server 2008 allow an administrator to create snapshots of the Active Directory database. By using them, you can view the data inside such a snapshot and use it to restore or inspect data without the need to start the server…

Last Update: Jun 27, 2025
I decided to write this article after I bought myself a brand new, state of the art, laptop from Dell. I’m talking about 2.33 GHz Core Duo, 4 GB of fast RAM, a 7200 RPM SATA hard disk, and all the other necessary hardware. And yet, when I booted up the pre-installed Windows Vista Ultimate…

Last Update: Nov 19, 2024
Seattle, Washington – November 21, 2005 – Acunetix, a leading security software company focused exclusively on helping enterprises secure their web applications and web sites, today announced the next-generation version of Acunetix Web Vulnerability Scanner, which provides a comprehensive solution to detecting system vulnerabilities that are frequently exploited by hackers. Acunetix Web Vulnerability Scanner provides…