Category Archives: Systems Administration

Keeping up to date as an organization: Track Microsoft 365 Message Center messages in Planner

One of the questions I ask every new colleague is how they are keeping up with the new and changed features in Azure and Microsoft 365. For individuals, it’s hard to keep up, but in many organizations, the IT department is having an even harder time doing so. This might have multiple reasons: They’re overwhelmed […]

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HOWTO: Find out the capabilities Domain Controllers may offer your device

One of the hard nuts to crack in Active Directory is meeting the requirements for the infrastructure features your organization’s business needs to operate reliably, securely and smooth. About Active Directory requirements Throughout Microsoft’s recent history, features have been introduced in all sorts of products that have certain Active Directory requirements. The perfect example is […]

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From the field: The Case of the Unstable AD FS Farm

Troubleshooting stories from the field are the best. That’s why I like writing them down. Although, sometimes they might appear as straight cases of schadenfreude, I feel there are lessons to be learned for anyone, if you’re willing to look closely and listen carefully. Last month, I experienced an issue with an AD FS farm, […]

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Mainstream support for Microsoft Advanced Threat Analytics (ATA) ends in three months

We’ve helped organizations embrace Microsoft’s Advanced Threat Analytics (ATA) solution to protect their Active Directory environments from attacks. On January 12th, 2021, mainstream support for this product ends. ATA version 1.9.3, released on September 14th, 2020 is the final update as part of mainstream support. It’s time to move on to Microsoft Defender for Identity. […]

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Choosing the right Passwordless sign-in method for your colleagues

Passwordless is Microsoft’s strategy to improve enterprise security and enable end-user convenience at the same time. The era of passwords is slowly coming to an end and Microsoft offers readily-available solutions for your colleagues to sign-in to their devices and services. However, with its many passwordless methods, Microsoft isn’t making it easy for identity admins […]

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I’m presenting three webinars with Netwrix focusing again on the best recipes from the AD Administration Cookbook

On April 22nd, 28th and 30th, 2020, I’ll present three 1-hour webinars with Netwrix. Tune in to get the best in Active Directory security, Hybrid Identity and Azure AD Hardening demonstrated from me and Netwrix’ Jeff Melnick!   About the webinars I feel webinars are a great way to show people the potential of technology. […]

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From the Field: The case of the unreachable forest on a domain-joined Azure AD Connect installation

Troubleshooting stories from the field are the best. That’s why I like writing them down. Although, sometimes they might appear as straight cases of schadenfreude, I feel there are lessons to be learned for anyone, if you’re willing to look closely and listen carefully. Last week I experienced an issue with Azure AD Connect at […]

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From the field: The case of the overloaded Primary Domain Controller Emulator

Troubleshooting Active Directory Domain Services is fun. Today, I cover a more esoteric Active Directory troubleshooting case about an overloaded Domain Controller holding the Primary Domain Controller Emulator role. The cause has nothing to do with Active Directory, of course, but I was called in because the machine affected was a Domain Controller.    About […]

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I’m presenting three Webinars with Netwrix focusing on the best recipes from the AD Administration Cookbook

On September 24th, 25th and 26th, I’ll present three 1-hour webinars with Netwrix. Tune in to get the best in Active Directory security, Hybrid Identity and Azure AD Hardening demo’ed! Tip! These courses may be of specific interest to CISSPs, as these courses allow you to earn Continuing Professional Education (CPE) credits.   About the […]

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Using Azure AD’s Dynamic Memberships for Groups to Assign Mutually Exclusive P1 and P2 licenses

Azure AD’s Dynamic Memberships for Groups and Assigning Licenses to Groups features can be used to circumvent the overlap that might occur when user accounts are assigned both an Azure AD P1 and Azure AD P2 license. In this blogpost, I’ll walk you through the scenario.   About Azure AD licensing Today, Azure Active Directory […]

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