This week, I encountered unexpected behavior with Active Directory Federation Services (AD FS) on a Windows Server installation that an organization had recently transitioned to from an AD FS server running a previous version of Windows Server. I’m sharing my experiences, so others may benefit from our troubleshooting and solution. The situation Your organization … Continue reading "KnowledgeBase: The WID Service consumes 100% CPU after transitioning AD FS Servers"
On October 20th, 2020, Microsoft released Windows 10, version 20H2 build 19042 to Visual Studio Subscribers and organizations with access to the Software Download Center and the Volume Licensing Service Center. This version is also known as Windows 10 ‘October 2020 Update’. Last week, Microsoft acknowledged an issue causing forced restarts on devices running Windows … Continue reading "KnowledgeBase: LSASS on Windows 10 version 20H2 crashes and reboots unexpectedly on systems with renamed built-in administrator or guest accounts"
In environments with multiple Azure AD Connect installations, sometimes, you experience unexpected behavior. For instance, when you want to change the source anchor from objectGUID to mS-DS-ConsistencyGuid for your Hybrid Identity implementation. The situation An organization leverages multiple Azure AD Connect installations. One installation is the actively synchronizing Azure AD Connect installation, the other installations … Continue reading "KnowledgeBase: You receive “the mS-DS-ConsistencyGuid attribute is already in use” when you change the source anchor on a Staging Mode Azure AD Connect installation"
Organizations are still using settings in the old PhoneFactor Multi-factor Authentication portal. However, with the new Security Defaults functionality, they may hurt themselves by locking out users, after the 14-day grace period for registering multi-factor authentication expires. About the PhoneFactor verification options The old PhoneFactor Multi-factor Authentication portal experience is a remnant of Microsoft … Continue reading "KnowledgeBase: Users receive an error when registering MFA when Security Defaults are enabled and the mobile app verification options are disabled"
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 Directory. However, you can also use it to set up and manage your organization’s Active Directory Federation Services (AD FS) implementation. This works … Continue reading "KnowledgeBase: To manage non-domain-joined Web Application Proxies with Azure AD Connect you need additional configuration on both sides"
Multi-factor authentication is the current solution to the problem of inadequate information security in today’s world of user names and passwords. When you have enabled multi-factor authentication in Microsoft Azure and Office 365, you might need app passwords to allow for certain access to not disrupt the business. The situation As an organization, you … Continue reading "KnowledgeBase: App Passwords are only available to users with a non-Conditional Access MFA requirement"
Azure Active Directory is the identity platform to many of today’s organizational applications and services. When you can’t sign in, then this poses a big challenge to achieve productivity, either as an administrator or an end-user. This blogpost provides the instructions to solve the situation, when you receive error AADSTS50052, when signing into Azure AD … Continue reading "KnowledgeBase: You receive error AADSTS50052 when you sign into Azure AD and Azure AD-integrated applications and services"
In Hybrid Identity implementations, Active Directory Domain Services (AD DS), Active Directory Federation Services (AD FS) and Azure AD work together to authenticate people in your organization, so that they can work with Azure AD-integrated resources like Office 365. Sometimes, the constellation fails and you get an error page, instead of reaching the desired application, … Continue reading "KnowledgeBase: You receive error ‘AADSTS5000812: The SAML 1.1 credential must contain exactly one or zero claims of type ImmutableID’ when signing into Azure AD-integrated resources"
Troubleshooting issues with Azure AD Connect can be a lot of fun, until you realize that new functionality throws an error that is incredibly vague. This blogpost provides the instructions to get Azure AD Connect working for your Hybrid Identity implementation when you receive “The ADSync service failed to start with an unexpected error for … Continue reading "KnowledgeBase: You receive “The ADSync service failed to start with an unexpected error for AutoGeneratedAccount:” when installing Azure AD Connect"
Sometimes, Microsoft products have a way of their own. The Domain Naming System (DNS) service since Windows Server 2003, too, has a nice little quirk that I ran into the other day, that I’d like to share with you. About DNS debug logging When you suspect problems with the Domain Naming System (DNS) Service, … Continue reading "Knowledgebase: When you enable DNS debug logging to removable media, the DNS Service no longer starts"