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
Description If you ever needed to rename an NT 4.0 group, you probably found that there is no way to do it through User Manager or User Manager for Domains! This tool does it. Requirements: Windows NT 4.0 Current version: 1.0 Download Download [this_link_has_been_removed] (6kb) You need to extract the tool/script found in the downloaded…

Last Update: Sep 17, 2024
Through several registry modifications, you can create an enhanced “right-click” menu for the Recycle Bin. The new options will allow you to delete the temporary files in the following two directories: %UserProfile%AppDataLocalTemp and %SystemRoot%Temp. Additionally, another menu will be created that will allow you to run the disk cleanup utility. Please be aware that this…

Last Update: Dec 03, 2024
Is there a good (free) replacement for the Windows/MSN Messenger program? Yes. I like to work with a cool piece of software called Miranda IM. Miranda IM is a smaller, faster, easier instant messenger with support for multiple protocols. Miranda IM is designed to be resource efficient and easy to use while still providing many…

Last Update: Sep 24, 2024
I’m probably revealing a little too much about my age, but when I first started working with Windows Server, the current version was Windows NT Server 3.5. One of the interesting things about that version of Windows was that like all of its successors, it had the ability to host network print queues. At the…

Last Update: Sep 24, 2024
In a great blog entry by Michael B. Smith, he has outlined a scripted method of obtaining the Mailbox and Public Folder store sizes on all Exchange servers in your organization. As Michael explains, it is a common request is to find out how much disk space Exchange is using in all of the various…

Last Update: Nov 19, 2024
How can I require Windows 98 clients to logon to the domain instead of pressing “cancel” at the welcome screen? By default Windows 9x doesn’t require a valid network username and password combination for a user to bypass the logon and gain access to the local machine. This functionality can be changed to require validation…

Last Update: Nov 19, 2024
What are the network setting required for a computer to join a domain? In order to be able to join a Windows 2000 or Windows Server 2003 domain you must properly configure your XP/W2K computer. Note: XP Home Edition is not designed to join domains; only workgroups. To join domains, use XP Professional version or…

Last Update: Nov 19, 2024
Forgot the Administrator’s Password? – Reset Domain Admin Password in Windows 2000 AD Note: In order to successfully use this trick you must first use one of the password resetting tools available on the Forgot the Administrator’s Password? page. The reason for that is that you need to have the local administrator’s password in order…

Last Update: Nov 19, 2024
One of the first tasks that one performs right after finishing the installation of a new operating system is to install all the required additional applications and change the system’s settings to match their own requirements. One of the most frequently used applications I install on my machine is Adobe Acrobat Reader (see http://www.adobe.com/products/acrobat/readstep2.html for…

Last Update: Nov 19, 2024
Note: In order to successfully use this trick you must first use one of the password resetting tools available on the Forgot the Administrator’s Password? page. The reason for that is that you need to have the local administrator’s password in order to perform the following tip, and if you don’t have it, then the…

Step 1 Restart Windows 2003 in Directory Service Restore Mode. Note: At startup, press F8 and choose Directory Service Restore Mode. It disables Active Directory. When the login screen appears, log on as Local Administrator. You now have full access to the computer resources, but you cannot make any changes to Active Directory. Step 2…

Last Update: Sep 24, 2024
How can I reset the folder views in Windows XP? Sometimes the default folder views in Windows Explorer and My Computer in XP can drive you nuts… The default views in Windows Explorer and My Computer in a out-of-the-box Windows XP computer are not the same as we were used to in W2K and Windows…