Pro Exchange Administration: Understanding On-premises and Hybrid Exchange Deployments

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023

J. Wesselius, M. de RooijPro Exchange Administrationhttps://doi.org/10.1007/978-1-4842-9591-5_1

1. Exchange 2019 Introduction

Jaap Wesselius¹   and Michel de Rooij²

(1)

MARKNESSE, Flevoland, The Netherlands

(2)

VLEUTEN, Utrecht, The Netherlands

 

Exchange Server 4.0 was introduced in 1996, more than 25 years ago! Now, in 2023, Exchange Server is still around and still alive, despite the massive migrations to Exchange Online.

I must admit though that for a hybrid configuration, you need at least one Exchange server on-premises, but lots of customers still have mailboxes in Exchange Server on-premises. There are also customers that are legally not allowed to move ...