Category Archives: KnowledgeBase Articles

KnowledgeBase: You receive error AADSTS50052 when you sign into Azure AD and Azure AD-integrated applications and services

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 […]


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

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, […]


KnowledgeBase: You receive “The ADSync service failed to start with an unexpected error for AutoGeneratedAccount:” when installing Azure AD Connect

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 […]


Knowledgebase: When you enable DNS debug logging to removable media, the DNS Service no longer starts

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, […]


KnowledgeBase: Azure AD Connect v1.4 deletes incorrectly synchronized objects for non-Windows 10 devices

On September 10, 2019, Microsoft signed off on the first build of Azure AD Connect in the 1.4 version branch. Currently, this version is only available for organizations that have the Automatic Upgrade feature enabled. In the What’s Fixed section of the release notes for this version, Microsoft stated that: Fixed a bug where non-Windows […]


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. […]


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 […]


KnowledgeBase: High CPU Usage for Azure AD Connect Health Sync Monitor with .NET Framework 4.7.2 Installed

Today, there is an issue in a component of Azure AD Connect version 1.1.819.0, Microsoft free Hybrid Identity bridge product, that enables you to synchronize objects and their attributes between your on-premises Active Directory Domain Services (AD DS) environment(s) and Azure Active Directory. The Azure AD Connect Health Sync Monitor Service consumes lots of CPU. […]


KnowledgeBase: You receive error 801c0003 when you try to Azure AD Join a device during the Out-of-the-Box Experience (OOBE)

Sometimes, error codes for Microsoft products and technologies are really straightforward. Especially in situations where you have limited to no troubleshooting options, like the Windows Out-of-the-Box Experience (OOBE), this might prove difficult to solve. Today, let’s look at one of the most common errors you might encounter when you try to Azure AD Join a […]


KnowledgeBase: When you activate the Microsoft Authenticator App on Android 5.x you receive “Your device does not trust the activation URL”

The mobile world is still a fragmented world, where various versions of Apple’s iOS and Google’s Android compete for usage share. With people still getting accustomed to today’s throw-away society and handset manufacturers and vendors tailoring to their needs, there’s people using three years old Operating Systems on mobile phones they just purchased.   The […]