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Daniel Petri

Petri Contributor

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.

See Daniel's bio: https://www.linkedin.com/in/danielpetri


Password Control and Bulk Modify for Active Directory

Last Update: Sep 19, 2023

One of the most tedious day-to-day tasks for Active Directory administrators in medium to large organizations is the management of user accounts and their respective information, things such as resetting user passwords, clearing account lockouts, updating of phone numbers and additional information. It’s true that in Windows Server 2003/2008, Active Directory Users and Computers allows…

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Import and Export Lists of Servers with Windows Server 2012 Server Manager

Last Update: Sep 01, 2023

Too many cooks in the kitchen? Learn to import/export server lists using Windows Server 2012 Server Manager to share a server list between many sysadmins.

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How to Disable the Windows 10 Lock Screen

Last Update: Jun 02, 2023

Daniel Petri shows us how to make signing into Windows 10 a bit easier by disabling the lock screen.

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Enabling Secure LDAP on Windows Server 2008/2012 Domain Controllers: Configuration

Last Update: Feb 13, 2023

We’re back with our two-part series on enabling secure LDAP on Windows Server 2008/2012 DCs! In part 2, we cover LDAPS configuration.

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Quickly Edit Environment Variables in Windows 8

Last Update: Dec 05, 2022

Need to quickly edit environment variables in Windows 8? Learn three ways to do exactly that in this step-by-step tutorial article by Daniel Petri.

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Recovering Deleted Items in Active Directory

Last Update: Nov 21, 2022

Active Directory is a hierarchical database that holds information about the network’s resources such as computers, servers, users, groups and more. The main purpose of Active Directory is to provide central authentication and authorization services. Normal administrative tasks when working with Active Directory include creating, managing, moving, editing and sometimes – deleting – various objects…

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List all Users and Groups in Domain

Last Update: Nov 07, 2022

There are many tools and utilities designed to do so, but none are native W2K GUI. There are no graphical or command line utilities that produce comprehensive reports on groups, users and permissions included with the Windows Operating System or the Resource Kit. The NET commands and the Windows Resource Kit ADDUSERS.EXE and PERMS.EXE utilities…

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Logon Locally User Right

Last Update: Oct 31, 2022

How can I easily give someone the Log On Locally user right on a Windows 2000 and Windows Server 2003 Domain Controllers? In Windows 2000 (and Windows Server 2003) servers that are configured as Domain Controllers only 5 groups have the right to log on locally on the computer. Those groups are: Administrators, Account, Print,…

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Display Last Logged On Information for Windows 8.1

Last Update: Oct 31, 2022

Learn how to display last logged on information for Windows 8 and 8.1 in this quick how-to article by Petri IT Knowledgebase founder Daniel Petri.

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Display Last Interactive Logon Information in Windows Server 2008/2012

Last Update: Oct 31, 2022

Need to know if someone’s trying to sneak onto your system? Discover how to use last interactive logon information in Windows Server 2008/2012 to track those attempts.

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