Authors are ordered by number of posts.

Michael PietroforteMichael Pietroforte (1516)

Michael Pietroforte is the founder and editor of 4sysops. He is a Microsoft Most Valuable Professional (MVP) with more than 30 years of experience in IT management and system administration.

Timothy WarnerTimothy Warner (263)

Timothy Warner is a Microsoft Cloud and Datacenter Management Most Valuable Professional (MVP) who is based in Nashville, TN. Check out his Azure and Windows Server video training at Pluralsight, and feel free to reach out to Tim via Twitter.

Guest AuthorGuest Author (160)

If you want to write a guest post on 4sysops contact us.

Paul SchnackenburgPaul Schnackenburg (153)

Paul Schnackenburg works part time as an IT teacher as well as running his own business in Australia. He has MCSE, MCT, MCTS and MCITP certifications. Follow his blog TellITasITis.

Joseph MoodyJoseph Moody (117)

Joseph Moody is a network admin for a public school system and helps manage 5,500 PCs. He is a Microsoft Most Valuable Professional (MVP) in Cloud and Datacenter Management and blogs at

Kyle BeckmanKyle Beckman (115)

Kyle Beckman works as a systems administrator in Atlanta, GA supporting Office 365 in higher education. He has 17+ years of systems administration experience.

Adam BertramAdam Bertram (94)

Adam is a Microsoft Cloud and Datacenter Management Most Valuable Profressional (MVP) who specializes in Windows PowerShell. You can reach Adam at or on Twitter at @adbertram.

Sander BerkouwerSander Berkouwer (54)

Sander Berkouwer is a Microsoft Certified Professional and a Microsoft Most Valuable Professional (MVP) with over a decade of experience in IT.

Wolfgang SommergutWolfgang Sommergut (47)

Wolfgang Sommergut has over 20 years of experience in IT journalism. He has also worked as a system administrator and as a tech consultant. Today he runs the German publication

Jeffery HicksJeffery Hicks (43)

Jeffery Hicks is a multi-year Microsoft MVP in Windows PowerShell, Microsoft Certified Professional and an IT veteran with 25 years of experience specializing in automation. He works today as an author, trainer and consultant.

Jim JonesJim Jones (40)

Jim Jones has been a SysAdmin for 15 years and is currently working as a Sr. Network Administrator in West Virginia, USA. Honored to be elected a vExpert and Veeam Vanguard, Jim can be found on Twitter @k00laidIT and at his personal site,

Alexander WeissAlexander Weiss (38)

Alexander Weiß currently heads up an IT department, and my main interests include IT governance, cloud computing and IT architecture. Read my blog about Amazon cloud computing.

Vladan SegetVladan Seget (33)

Vladan Seget is as an independent consultant, professional blogger, vExpert 2009-2016, VCAP5-DCA/DCD, VCP, and MCSA. He has been working for over 15 years as a system engineer.

Anil ErduranAnil Erduran (31)

Anil Erduran is a principal consultant and subject matter expert for Hitachi Data Systems EMEA, based in London, UK. He is also a dual category Microsoft Most Valuable Professional in Cloud and Datacenter Management and Microsoft Azure. Anil can be found on Twitter @anil_erduran.

David SteinDavid Stein (31)

David is an author and consultant, working for Endurance IT Services in Virginia Beach, Virginia, specializing in Microsoft enterprise systems and Business Process Automation.

Aaron DentonAaron Denton (31)

Aaron Denton has been working in IT for 10 years. He is a CCNP, MCITP, Enterprise Admin and Enterprise Messaging Administrator on Exchange 2007. Follow his blog itprostuff.

Alex ChaikaAlex Chaika (29)

Alex Chaika is a Microsoft Certified Solution Expert (MCSE) with more than 15 years of experience in IT systems engineering. He currently focuses on PowerShell and VMware PowerCLI.

Jason ColtrinJason Coltrin (24)

Jason Coltrin has been working in IT for more than 17 years. He holds an MCSE 2003 Security+ plus various Palo Alto and SonicWall firewall certifications. He also is an avid Linux administrator and currently works in the finance Industry.

Geoff KendalGeoff Kendal (23)

Geoff Kendal is a Windows/Linux systems administrator, scripter and problem solver, with over 12 years experience, based in Leeds, UK.

Mike TaylorMike Taylor (22)

Mike Taylor has been working in IT for 12 years. He is a Windows administrator, scripter and OS deployment engineer based in London.

Sitaram PamarthiSitaram Pamarthi (20)

Sitaram Pamarthi is working as a Windows Engineer and his special fields of interest are PowerShell, Active Directory, Exchange, and virtualization.

Andrew JacopsAndrew Jacops (20)

Andrew Jacops is a system/network administrator with over ten years experience managing Windows environments and the network infrastructures they run on.

Krishna KumarKrishna Kumar (18)

Krishna Kumar specializes in PowerShell, Exchange and Active Directory. Follow his blog SMTP Port 25.

James BannanJames Bannan (17)

James Bannan is Senior Technical Consultant who specializes in deployment, virtualization and management.

Justin ShinJustin Shin (16)

I have been a Windows administrator for eight years and currently focus on Group Policy, backup, and IIS/Apache administration.

Dan FranciscusDan Franciscus (16)

Dan Franciscus is a systems engineer and VMware Certified Professional (VCP) specializing in VMware, PowerShell, and other Microsoft-based technologies. You can reach Dan at his blog or his Twitter at @dan_franciscus.

Jörgen NilssonJörgen Nilsson (13)

Jörgen is a principal consultant at Onevinn in Sweden. His work focuses on enterprise client management and system management. He is a Microsoft Certified Trainer and a Microsoft Most Valuable Professional (MVP) in Enterprise Mobility. He also speaks at events such as Microsoft TechDays, Microsoft Management Summits, and TechEd.

Alex PazikAlex Pazik (11)

Alexander specializes in Windows deployments and systems management applications such as System Center Configuration Manager and System Center Operations Manager.

Brandon LeeBrandon Lee (10)

Brandon Lee has been in the IT industry 15+ years and focuses on networking and virtualization. He contributes to the community through various blog posts and technical documentation primarily at

James RankinJames Rankin (10)

James is a consultant from the UK, specializing mainly in end-user computing, Active Directory and client-side monitoring. When not implementing projects for his company HTG, he can often be found blogging, writing technical articles and speaking at conferences and user groups.

Tim BuntrockTim Buntrock (9)

Tim Buntrock is one of three enterprise administrators for the Active Directory service of a "global player" in the contact center business. He is a certified engineer for MCTS, MCITP, MCSA and MCPS.

Baki Onur OkutucuBaki Onur Okutucu (8)

Onur is a subject matter expert for Office 365, Azure, and PowerShell technologies. He is the founder of Clouderz Ltd, a cloud consultancy based in London. For eight years in a row, Microsoft has recognized him as a Most Valuable Professional. You can follow Onur on Twitter: @BakiOnur.

Josh RickardJosh Rickard (7)

Josh's primary focus is in Windows security and PowerShell automation. He is a GIAC Certified Windows Security Administrator (GCWN) and GIAC Certified Forensic Analyst (GCFA). You can reach Josh at or on Twitter at @MS_dministrator.

Robert PearmanRobert Pearman (6)

Robert is a small business specialist from the UK and currently works as a system administrator for IT Authority. He has been a Microsoft MVP for seven years and has worked as a technical reviewer for Microsoft Press. You can follow Robert in his blog.

Damien Van RobaeysDamien Van Robaeys (5)

Damien Van Robaeys is a system and desktop engineer who focuses on PowerShell and the Microsoft Deployment Toolkit. You can follow him on Twitter and on his blog.

Stéphane van GulickStéphane van Gulick (4)

Stéphane is an IT engineer from Switzerland, a PowerShell Most Valuable Professional (MVP) and coorganizer of the French PowerShell User Group. He blogs at

Andrew FitzgeraldAndrew Fitzgerald (4)

Andrew Fitzgerald (MCSE, MCSA,CCNA,VCP,SNIA) has worked as an Infrastructure Consultant for 20 years for some of the biggest firms in London. Follow his blog Network Angel.

Micah RairdonMicah Rairdon (4)

I am a PowerShell fanatic currently working in Windows client management at Haworth based out of Holland, MI. I tinker around and document my findings at and you can find me on Twitter @tiberriver256.

Venkat SriVenkat Sri (4)

Venkat Sri is a senior Windows system engineer who specialises in PowerShell, Active Directory and virtualization. On 4sysops, he shares useful PowerShell scripts for system administrators.

Jose SanchezJose Sanchez (4)

Jose Sanchez has 10+ years of hands-on experience in VMware virtualization, storage design, Microsoft technologies and network infrastructure.

Luc FullenwarthLuc Fullenwarth (4)

Luc is working as a system administrator since 1999 at Alcatel-Lucent, at HP, and currently for an European institution. He focuses on Active Directory, Group Policy, security and PowerShell.

Simon SimcicSimon Simcic (3)

Simon Simcic works as a systems engineer for one of largest slovenian Systems integrations firms. He is especially interested in working with remote access solutions.

Ed FisherEd Fisher (3)

Ed Fisher is an information systems manager and blogger.

Mohammed RafficMohammed Raffic (3)

Mohammed Raffic Kajamoideen is a subject matter expert in VMware and Microsoft virtualization, a vExpert 2014-2017, VCIX-NV, VCAP4/5-DCA, VCP, CCA, and MCSA. He blogs at and can be found on Twitter at @vmwarearena.

Ruben ZimmermannRuben Zimmermann (3)

Ruben is an infrastructure specialist who specializes in Active Directory, public key infrastructure (PKI), and System Center Operations Manager. He automates in VBS, PowerShell and C#. Ruben lives in Suzhou, China, and you can follow him on Twitter @Ruben8Z.

Ben NorcuttBen Norcutt (3)

Ben Norcutt is a Microsoft Certified IT Professional (MCITP) with 13 years experience in IT administration in educational establishments.

Mohamed A. WalyMohamed A. Waly (2)

In July 2014 Mohamed was recognized as the youngest MVP in the world. He recently authored the book Learning Microsoft Azure Storage and is currently working for BlueCloud Technologies as an Associate Infrastructure Consultant

Derek SchaulandDerek Schauland (2)

Derek Schauland has been working in IT for more than 20 years. For almost as long, he has been authoring technical articles to help others learn about new technologies. Derek is a multiyear Microsoft MVP in Cloud and Datacenter Management.

Mark WilsonMark Wilson (2)

Mark Wilson is an accomplished infrastructure architect, with recent experience in technology leadership and IT strategy roles,.

Bret FisherBret Fisher (2)

Bret Fisher has been a Windows admin for over 15 years. He has nearly 30 Microsoft certifications as well as previous Cisco, Citrix, and SANS Institute for security.

Asser HassanAsser Hassan (2)

Asser Hassan is a Vancouver-based DevOps engineer with more than 12 years experience in IT. He is a *nix expert, CLI enthusiast, virtualization and cloud professional (focus on AWS & Azure) and works as a cloud consultant.

Vincent BoudreauVincent Boudreau (2)

I currently work for an enterprise that has about 3000 AD users and I am managing 160 of them.

Marcel KüppersMarcel Küppers (1)

Marcel Küppers has been working for more than 15 years as systems engineer and specializes on Microsoft’s virtualization platform. He is a MCTS for Hyper-V, MCSE, and MCITP as well as an MCSA 2012.

Mark PhelpsMark Phelps (1)

Mark Phelps is an IT admin who focuses on Active Directory and Exchange since 1999.

Mark MearsMark Mears (1)

Mark Mears has been in the IT world since the 1980s and is currently working as a consultant for a local company in Virginia Beach, Virginia.

Ilija BrajkovicIlija Brajkovic (1)

Ilija Brajkovic is a tech writer from Croatia.

Ingmar KoecherIngmar Koecher (1)

Ingmar Köcher is the CEO and founder of NETIKUS.NET ltd, the maker of EventSentry.

Bryan CampbellBryan Campbell (1)

Bryan Campbell is a Windows admin managing a network with a mixed variety of VMware and Citrix VDI.

Bastian A. WieczorekBastian A. Wieczorek (1)

Bastian is a senior IT consultant with more than 20 years of experience in IT administration. He focuses on helping organizations plan and operate enterprise collaboration solutions.

Marius SandbuMarius Sandbu (1)

Marius Sandbu is a Microsoft MVP for Azure, VMware vExpert, Citrix CTA, Veeam Vanguard and works as a cloud architect in Norway.

Andreas KroschelAndreas Kroschel (1)

Andreas Kroschel is a former IT journalist and works now as an IT admin in Germany.

Dustin MillerDustin Miller (1)

Dustin Miller is an IT admin and help desk manager. He works a lot with IIS.

Chris RichChris Rich (1)

Chris Rich has over 17 years experience in the IT industry.

Alessandro CardosoAlessandro Cardoso (1)

Alessandro Cardoso is a Microsoft Most Valuable Professional (MVP) in Cloud and Datacenter Management, is a speaker in key events in Australia and New Zealand and holds MCSE, MCSA, and MCT certifications.

Karim BuzdarKarim Buzdar (1)

Karim Buzdar holds a degree in telecommunication engineering and is a Microsoft Certified Solutions Associate (MCSA) for Server Infrastructure. As an IT engineer and technical author, he focuses on Microsoft Directory Services and PowerShell. You can reach Karim on LinkedIn.


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