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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.

Daniel is currently Senior Training Manager at Semperis.

LATEST

Remove Windows 2000/XP/2003 but Keep Windows 98

I have a dual-boot configuration. How can I remove Windows 2000/XP/2003 from my system while keeping Windows 98? To remove a Windows XP, Windows 2000 or Windows Server 2003 installation while retaining Windows 98 do the following: Boot from the Win9x Startup Disk Type: FDISK /MBR Type: SYS C: Reboot Remove the Windows 2000/XP/2003 files…

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Enable Sound in Windows Server 2003

Last Update: Sep 24, 2024

How can I enable sounds in Windows Server 2003? My sound does not work. All drivers are installed and the Device Manager reports it is working properly. Why isn’t it working? Windows Server 2003 Enterprise edition has the sound drivers disabled by default. Windows Server 2003 Standard edition does not, thus you CAN hear sounds…

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Remove Windows 98 but Keep Windows 2000/XP/2003

I have a dual-boot configuration. How can I remove Windows 9X from my system while keeping Windows 2000/XP/2003? To remove a Windows 98 installation while retaining Windows XP, Windows 2000 or Windows Server 2003 do the following: Boot from the NT/2000/XP/2003 CD Choose “Repair” Select “Inspect Boot Sector” Reboot Edit BOOT.INI and remove old entries…

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Enable Telnet on Windows Server 2003

Last Update: Sep 24, 2024

Windows Server 2003 has the Telnet disabled by default (and so good that it does!) To have the Telnet service running on Windows Server 2003 follow the next steps: Go to the Services applet in Administrative Tools (or click Start, then Run, and type "services.msc" (without quotes) and click OK). Find the "Telnet" service, right-click…

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Removing S/MIME Control in OWA 2003

Last Update: Jun 30, 2025

How can I remove (uninstall) the S/MIME Control component in Outlook Web Access (OWA) 2003 SP2? One of the new features of Outlook Web Access in Exchange Server 2003 is the ability to encrypt and digitally sign messages when using OWA. In order to do so, you will need to install the S/MIME Control in…

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Enable Theme Support in Windows Server 2003

Last Update: Sep 24, 2024

How can I enable theme support in Windows Server 2003? Windows Server 2003 has the theme support services disabled by default. To enable themes on Windows Server 2003 follow the next steps: Go to the Services applet in Administrative Tools (or click Start, then Run, and type "services.msc" (without quotes) and click OK). Find the…

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How To Enable Windows Vista Aero Graphics

Last Update: Sep 24, 2024

Aero is the new hardware-based graphic interface in Windows Vista that includes a ton of eye candy on the new desktop.  Aero stands for Authentic, Energetic, Reflective, And Open. It is intended to be cleaner and more powerful for the user. When you do a clean install of Windows Vista its possible that your video…

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Rename Windows Server 2008 Domain Controllers

This question has attracted my eyes a few times on different forums, so I decided to write an article about it. Choosing the right name for your servers is one of the steps that should be taken into account when designing a new network, or when deploying new servers. You should be totally aware of…

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Enabling Telnet Client in Windows Server 2008 and Windows Vista

  Telnet Client allows a computer to connect to a remote Telnet server and run applications on that server. Once logged on, a user is given a command prompt that can be used as if it had been opened locally on the Telnet server’s console. Commands that you type at the Telnet client command prompt…

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 Encrypted files using Cygwin and OpenSSL

Last Update: Dec 03, 2024

Using Cygwin, the free open-source terminal emulator, in coordination with OpenSSL, you can create cross-platform encrypted files. The files created using Cygwin can be exported using mobile media including thumb drives, CDs, external hard drives, etc. Cygwin and OpenSSL are bundled in the download of Cygwin. The following tutorial (although demonstrated using Windows Vista) can…

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Add “Remove Temporary Files” and “Run Disk Cleanup” to right-click menu

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…

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Enterprise Print Management in Windows Server 2008, Part 1

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…

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