Category Archives: Active Directory

KnowledgeBase: The Windows Server 2019 Active Directory DFL and FFL do not exist

There is no Windows Server 2019 Forest Functional Level (FFL) or Windows Server 2019 Domain Functional Level (DFL) in Microsoft Windows Server’s Active Directory Domain Services (AD DS).   Impact The unavailability of the Windows Server 2019 Forest Functional Level (FFL) and Windows Server 2019 Domain Functional Level (DFL) has the following impact: There are, […]

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Azure AD Connect version 1.2.70.0 updates the non-standard connectors

Yesterday, Microsoft released a new version of Azure AD Connect, its 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 Directory. What’s Fixed There is only one fix in version 1.2.70.0. This build updates the non-standard connectors […]

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Critical DNS Server Heap Overflow Vulnerability could allow Remote Code Execution (Critical, CVE-2018-8626)

This week, for its December 11th 2018 Patch Tuesday, Microsoft released a security update for supported versions of Windows Server acting as DNS Servers. As many Domain Controllers are installed and configured as such, this is a serious vulnerability. The update addresses the vulnerability by modifying how Windows DNS servers handle requests.          About the […]

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Azure AD Connect v1.2.69.0 fixes an issue with Device Write-Back

Late last week, Microsoft released a new version of Azure AD Connect, its 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 Directory.      What’s Fixed There is only one fix in version 1.2.69.0. This hotfix build […]

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Windows Server 2016’s November 2018 Quality Update brings several Active Directory fixes

Windows Server 2016’s November 2018’s Cumulative Quality Update, bringing the OS version to 14393.2639, offers a fix for an issue with Group Policy and a fix for an issue you might be experiencing on your Windows Server 2016-based Domain Controllers.        About Windows Server 2016 Updates Microsoft issues two major updates each month for Windows […]

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Azure AD Connect moves to TLS 1.2-only with version 1.2.65.0

Last week, Microsoft released a new version of Azure AD Connect, its 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 Directory.           What’s New Write-back of msExchUcVoicemailSettings The Azure AD Connect team changed the functionality of […]

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KnowledgeBase: KB4462917 breaks Domain Controller Promotions for new Active Directory domains in existing forests

Microsoft’s October 9th, 2018 Security update KB4462917, raising Windows Server 2016 to build 14393.2551, feature a security update for the JET Database engine. However, this update seems to cause an issue with Windows Server installations intended to become Active Directory Domain Controllers. One of my team members at SCCT experienced this issue at a customer […]

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Windows Server 2016’s October 2018 Quality Update brings several Active Directory fixes

Windows Server 2016’s October 2018’s Cumulative Quality Update, bringing the OS version to 14393.2580, offers a total of three fixes for issues you might be experiencing on your Windows Server 2016-based Domain Controllers and Active Directory Federation Services (AD FS) Servers.      About Windows Server 2016 Updates Microsoft issues two major updates each month for […]

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Passing Microsoft Exam 70-742: Identity with Windows Server 2016

There is a good and free way to prepare for Microsoft exam 70-742: Identity with Windows Server 2016. In the past years, I conducted webinars that can serve as a primer on Active Directory in terms of forests, domains, trusts, security and on Group Policy. They are not and were never intended as the sole […]

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The video for ‘Virtualizing Active Directory the Right Way’ from VMware’s VMworld 2018 US event is now available

In August, Matt Liebowitz and I presented a 60-minute breakout session during VMware’s VMworld US 2018 event at the Mandalay Bay Convention Center in Las Vegas, Nevada. Our presentation and demos were recorded. Both the stage, the slides and the screen of the demo machine were captured by the VMworld organization. If you were unable […]

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