About the Petri IT Knowledgebase

The Petri IT Knowledgebase has served as one of the world’s leading content and community resources for IT professionals and system administrators for more than 15 years. First launched by IT expert Daniel Petri in 1999, the Petri IT Knowledgebase has always been focused on serving the needs of IT professionals by providing information to help them solve problems, do their jobs more effectively, and to advance their careers.

Putting Readers First

In addition to having an extensive library of how-to, news, and opinion content focused on Microsoft Windows, Windows Server, Exchange Server, Office 365, PowerShell, System Center, Cisco, VMware, and dozens of other IT platforms and technologies, the Petri IT Knowledgebase forums are also a popular online destination for system administrators to network and exchange information with their peers.

Poised for Growth

The Petri IT Knowledgebase is an independent website owned by Blue Whale Web Inc., which purchased the site from Daniel Petri in 2006. Blue Whale Web was acquired by George Coll in April 2014, switched domains (from petri.co.il to petri.com) in July 2014, and launched an all-new website design in October 2014.

Advertising Information

The Petri IT Knowledgebase website provides advertisers with an effective, cost-efficient vehicle to deliver their marketing messages to system administrators, network administrators, senior IT leaders, and other IT professionals. For more information about the advertising packages available, please contact our advertising department.

Contact Us

We’re always eager to engage with our readers, so we encourage site visitors to visit us on Facebook, Twitter, Google+, and in our official Petri forums. If you’re a PR professional that needs information about how to contact our edit staff, an author that would like to write for Petri, or a reader who has questions about our content, please contact the editorial department.

Blue Whale Web

The Petri IT Knowledgebase is an independent website owned by Blue Whale Web LLC. Blue Whale Web was acquired in April 2014, led by Managing Partner George Coll (learn more). In July 2014 the domain was migrated from petri.co.il to petri.com and launched an all-new website experience in October 2014.

Blue Whale Web
684 S. Barrington Road,
Suite 227
Streamwood IL 60107

External Sharing and Guest User Access in Microsoft 365 and Teams

This eBook will dive into policy considerations you need to make when creating and managing guest user access to your Teams network, as well as the different layers of guest access and the common challenges that accompany a more complicated Microsoft 365 infrastructure.

You will learn:

  • Who should be allowed to be invited as a guest?
  • What type of guests should be able to access files in SharePoint and OneDrive?
  • How should guests be offboarded?
  • How should you determine who has access to sensitive information in your environment?

Sponsored by:

 
Live Webinar: Active Directory Security: What Needs Immediate Priority!Live on Tuesday, October 12th at 1 PM ET

Attacks on Active Directory are at an all-time high. Companies that are not taking heed are being punished, both monetarily and with loss of production.

In this webinar, you will learn:

  • How to prioritize vulnerability management
  • What attackers are leveraging to breach organizations
  • Where Active Directory security needs immediate attention
  • Overall strategy to secure your environment and keep it secured

Sponsored by: