Category Archives: Active Directory

Azure AD connect sync error: FederatedDomainChangeError

By | 30th November 2017

When synchronizing identity data from your on-prem Active Directory environment to the Azure Active Directory environment using the Azure AD connect tool you might occasionally get an error. One example is the error: FederatedDomainChangeError Details This error typically occurs after you have changed the UserPrincipalName suffix of an user from one federated domain to another… Read More »

Azure AD – Check and clean your on-prem AD with IdFix before migrating

By | 1st October 2017

Before you start syncing your On-Premises Active Directory with Azure Active Directory you should check and fix any issue’s there might be with any of the accounts. Microsoft has released a tool for this called: IdFix which you can download directly from Microsoft: IdFix DirSync Error Remediation Tool This tool will scan your On-Prem AD… Read More »

How to downgrade the Domain and Forest functional level

By | 24th May 2017

With older versions of Windows Server it was not possible to downgrade the domain and forest functional level once upgraded. However this has changed since Windows Server 2012R2, using PowerShell you can now downgrade the Domain and Forest functional level. To do so follow these steps: 1. Log on to the domain controller as domain… Read More »