If you continue to have issues with accounts not synchronizing through Azure AD Connect, restart the Azure AD Sync Service. If you disable Azure AD DS and then re-enable, you have to follow these steps again. Make sure that you wait long enough before retrying authentication.įor hybrid environments that user Azure AD Connect to synchronize on-premises directory data into Azure AD, make sure that you run the latest version of Azure AD Connect and have configured Azure AD Connect to perform a full synchronization after enabling Azure AD DS.

For large directories, this initial one-way sync from Azure AD can take few hours, and up to a day or two. Account isn't synchronized into Azure AD DS yetĭepending on the size of your directory, it may take a while for user accounts and credential hashes to be available in a managed domain. External users can't sign in to the Azure AD DS managed domain.

Azure AD DS can't synchronize in credentials for accounts that are external to the Azure AD tenant.

Azure active directory login