Category Archives: Active Directory

Join the Active Directory Administration Cookbook Launch Party at SCCT

Last month, my Active Directory Administration Cookbook was released by Packt.       To celebrate, my employer is hosting a Launch Party at our office in Leidschendam, near The Hague in the Netherlands. The Launch Party offers the opportunity to Dutch people to get their copy of the Active Directory Administration Cookbook and have it signed.          […]

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Creating the ‘Microsoft Office 365 Identity Platform’ Relying Party Trust manually

There are several methods to create the Relying Party Trust (RPT) between Active Directory Federation Services (AD FS) and Azure Active Directory automatically: Using Azure AD Connect with the Use an existing AD FS farm option or the Configure a new AD FS farm option, when configuring Federation with AD FS as the authentication method. […]

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KnowledgeBase: Azure AD Connect upgrade is not reflected in the Office 365 Portal

Microsoft’s Azure AD Connect version 1.3.20 was quickly superseded by version 1.3.21.0 to fix an elevation of privilege vulnerability, but it appears to exhibit unexpected behavior for some organization running it.        The situation You have an Active Directory Domain Services (AD DS) environment, and you synchronize objects to an Azure AD tenant, leveraging Azure […]

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Azure AD Connect version 1.3.21.0 fixes an elevation of privilege vulnerability (CVE-2019-1000)

Hot on the heels of Azure AD Connect version 1.3.20.0, Microsoft released version 1.3.21.0 earlier this week to address an elevation of privilege vulnerability. Azure AD Connect is Microsoft’s free Hybrid Identity bridge product to synchronize objects and their attributes from on-premises Active Directory Domain Services (AD DS) environments and LDAP v3-compatible directories to Azure […]

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Get your copy of the Active Directory Administration Cookbook today

The new Active Directory Administration Cookbook is now available. [Packt] [Amazon] [Tomlinsons] [Fnac] [Lehmanns] [ManagementBoek] For the last seven months, I worked with Packt Publishing to write the fourteen chapters in this 620-page book, containing all the essential howtos  and their gotchas for managing both on-premises Active Directory and Azure AD. It has been an […]

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Azure AD Connect v1.3.20.0 offers the next level of identity synchronization

Last week, Microsoft released the long impending release of Azure AD Connect version 1.3.20.0 on the Azure AD Connect Version Release History page. Azure AD Connect is Microsoft’s free Hybrid Identity bridge product to synchronize objects and their attributes from on-premises Active Directory Domain Services (AD DS) environments and LDAP v3-compatible directories to Azure Active […]

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I’m presenting my Active Directory 101 course with Netwrix again

Whether you are an Active Directory novice or an experienced IT professional, enroll in my upcoming free online course for step-by-step instructions and industry best practices for Active Directory management. These sessions are also a great way to get ready for Exam 70-742. Note:These webinars cover only 3 out of 5 topics for Microsoft exam […]

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Knowledgebase: In-place Upgrading Domain Controllers to Windows Server 2019 while still using NTFRS breaks SYSVOL Replication and DSLocator

In a domain that is configured to use the File Replication Service, the SYSVOL folder is not shared after you in-place upgrade a Windows Server 2019-based Domain Controller from an earlier version of Windows. Until this directory is shared, Domain Controllers do not respond to DCLOCATOR requests for LDAP, Kerberos, and other Domain Controller workloads. […]

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Ten things you need to know about Pass-through Authentication

For Azure AD, Microsoft offers and recommends to use Pass-through Authentication (PTA) as the authentication method. This method is then used to authenticate to applications, services and systems connected to Azure AD, like Office 365, Intune and Power BI. However, there are a couple of things you should know:   Only outbound connections When using […]

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Windows Server 2019’s February 2019 Quality Update fixes two authentication issues

Windows Server 2019’s February 2019 Cumulative Quality Update, bringing the OS version to 17763316 , offers a fix for two authentication issues.        About Windows Server 2019 Updates Microsoft issues two major updates each month for Windows Server 2019, as outlined in the Patching with Windows Server 2016 blogpost. On the second Tuesday of each […]

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