The “Microsoft Exchange Server – Quick Guide” is a comprehensive manual that covers managing Microsoft Exchange Server using the Exchange Management Shell (EMS). It includes details on Active Directory integration, DNS SRV records, and Service Connection Points (SCPs) for Autodiscover services. The guide explains the roles in Exchange Server 2010 and their consolidation in later versions, highlights new features in Exchange 2019, and discusses deployment options including on-premises, Exchange Online, and hybrid. It provides commands for managing mailbox databases, Database Availability Groups (DAGs), and mailbox properties. Additionally, it covers managing distribution and resource mailboxes, performing bulk operations, and testing and monitoring server health. The guide also includes updating procedures and steps for publishing Exchange Server externally.