Microsoft today released a public preview of the “new” Azure AD Connect. It now includes integrated tool that includes all the advances of AAD Sync and the features from the beta release of Azure AD Connect into simple, fast & lightweight solution.
Azure AD Connect has everything you need to connect your Windows Server AD(s) and Azure AD with only 4 clicks. Now you can get started using Azure AD in under an hour, no new hardware required! With this preview you can choose Express Settings or Custom settings just like before, only now you get the latest sync engine and capabilities.
Source: Microsoft AD Blog