Event monitoring and troubleshooting in Azure AD Connect

So, now that you have your hybrid identity method configured, hopefully it will all run smoothly for you. However, occasionally you may encounter some problems, and this is where the ability to assess and troubleshoot Azure AD Connect with tools and from the Microsoft 365 portal can assist administrators to quickly identify and resolve issues. Administrators will be able to perform the following tasks:

1. Review and interpret synchronization errors by accessing the Microsoft 365 admin center via https://portal.office.com and examine the Azure AD Connect directory sync status. Here, you will see an overview of any directory synchronization errors. A common example may be a duplicate proxy address or UPNs causing conflicts and preventing an object from syncing. The following screenshot shows the Azure AD Connect tile you will see in the admin center. Any issues with your synchronization will be shown here in red:
   

   Figure 1.16...