**Deprecated features**

- **User Profile service (ForeFront Identity Manager Client)**
 - SharePoint Server 2016 no longer uses FIM as the synchronization client.
FIM (synchronize between Active Directory and SharePoint) is being removed and 

 - the bidirectional sync with AD has been improved.

 - The default process is Active Directory Import.
 - You can also use any synchronization tool such as Microsoft Identity Manager 2016.

- **STSADM.exe**

> The Stsadm command-line tool has been deprecated, but it is included
> to support compatibility with previous product versions.

- **Tags and Noted**

> They are completely deprecated.

- **SharePoint Foundation.**

> SharePoint Foundation is no longer available in the SharePoint Server
> 2016 release.SharePoint Foundation 2013 remains available for use.

- **Standalone Install Mode.**

> SharePoint Server 2016 doesn’t support the standalone install
> option.(See the first improvement in this article)

- **Excel Services.**

> Excel Services and its associated business intelligence capabilities
> are no longer hosted on SharePoint Server. Excel Services
> functionality is now part of Excel Online in Office Online Server.

- **The Work Management Service Application**.

> You couldn’t now aggregate tasks to a central location on SharePoint
> because the Work Management Service Application has been removed.

- **My Tasks and associated Exchange Task Sync features.**

> They have been removed because the Work Management Service Application
> that is required for both features has also been removed.

- **BI Capabilities.**

> The SQL Server 2014 Power Pivot and Power View add-ins for SharePoint
> Server 2016 cannot be deployed or used in SharePoint Server 2016. To
> deploy these add-ins you need to upgrade to SQL Server 2016 CTP 3.1

- **InfoPath 2013 and SharePoint Designer 2013**

> It will be the last versions of those products.However, the support
> for InfoPath 2013 and SharePoint Designer 2013 will match the support
> life cycle for SharePoint Server 2016, running until 2026.

Find the complete list in my article at [SIMPLY, WHAT’S NEW AND DEPRECATED IN SHAREPOINT SERVER 2016 ?][1]


  [1]: https://blog.devoworx.net/2015/10/16/whats-new-in-sharepoint-and-project-server-2016-in-simple-words/