Microsoft has released a new Azure AD download
Install the ADConnect.msi – Click yes in the UAC dialog
Click Next
Click Upgrade
Enter your AzureAD global Admin user account
Click Next
Ready to Upgrade – Click Upgrade
Click Exit
Verify the new version number in “uninstall or change a program”
Check the sync is running with success in “Synchronization Service Manager” after the upgrade
To ensure that your local directory is upgraded with new feature (ex Device Writeback) Then run the “Refresh directory schema” task in “Microsoft Azure Active Directory Connect”
Enter your Global Admin in AzureAD
Click Next
Click Next
Click Install
Click Exit
Now you have upgraded the AzureAD Connect and are in production with your new software.