Exam Ref MS-100 Microsoft 365 Identity and Services

Prepare for the updated version of Microsoft Exam MS-100— and help demonstrate your real-world mastery of skills and knowledge needed to effectively design, deploy, manage, and secure Microsoft 365 services. Designed for experienced IT professionals, Exam Ref focuses on critical thinking and decision-making acumen needed for success at the Microsoft Certified Expert level.

Focus on the expertise measured by these objectives:

• Design and implement Microsoft 365 services

• Manage user identity and roles

• Manage access and authentication

• Plan Office 365 workloads and applications

This Microsoft Exam Ref:

• Organizes its coverage by exam objectives

• Features strategic, what-if scenarios to challenge you

• Assumes you have working knowledge of Microsoft 365 workloads, networking, server administration, and IT fundamentals; and have administered at least one Exchange, SharePoint, Teams, or Windows deployment

About the Exam

Exam MS-100 focuses on knowledge needed to plan architecture; deploy a Microsoft 365 tenant; manage Microsoft 365 subscription and tenant health; plan migration of users and data; design identity strategy; plan identity synchronization; manage identity synchronization with Azure Active Directory (Azure AD); manage Azure AD identities and roles; manage authentication; plan and implement secure access; configure application access; plan to deploy Microsoft 365 Apps and messaging; plan for Microsoft SharePoint Online, OneDrive for Business, and Teams infrastructure; and plan Microsoft Power Platform integration.

About Microsoft Certification

The Microsoft 365 Certified: Enterprise Administrator Expert certification credential demonstrates your ability to evaluate, plan, migrate, deploy, and manage Microsoft 365 services. To fulfill your requirements, pass this exam and Exam MS-101: Microsoft 365 Mobility and Security, and earn one of these five prerequisite certifications: Modern Desktop Administrator Associate, Security Administrator Associate, Messaging Administrator Associate, Teams Administrator Associate, or Identity and Access Administrator Associate.

See full details at: microsoft.com/learn

Orin Thomas is a Principal Hybrid Cloud Advocate at Microsoft and has written more than 40 books for Microsoft Press on topics including Windows Server, Windows Client, Azure, Hybrid Cloud, Microsoft 365, Office 365, System Center, Exchange Server, Security, and SQL Server. You can connect with him at

Prepare for Microsoft Exam MS-100 -- and help demonstrate your real-world mastery of skills and knowledge needed to effectively design, deploy, manage, and secure Microsoft 365 services. Designed for experienced IT professionals, Exam Ref focuses on critical thinking and decision-making acumen needed for success at the Microsoft Certified Expert level. Focus on the expertise measured by these objectives: Design and implement Microsoft 365 services Manage user identity and roles Manage access and authentication Plan Microsoft 365 workloads and applications This Microsoft Exam Ref: Organizes its coverage by exam objectives Features strategic, what-if scenarios to challenge you Assumes you have experience with the Office 365 Admin Center and an understanding of Exchange Online, Skype for Business, SharePoint Online, Office 365 ProPlus, and Microsoft Azure Active Directory About the Exam Exam MS-100 focuses on knowledge needed to manage domains; plan a Microsoft 365 implementation; set up and manage Microsoft 365 tenancy and subscriptions; plan user and data migration; design identity strategy; plan and manage identity synchronization with Azure AD Connect; manage Azure AD identities and user roles; manage authentication; implement MFA; configure application access; implement access for external users of Microsoft 365 workloads; and plan Office 365 workload and applications deployment. About Microsoft Certification Passing this exam and Exam MS-101 Microsoft 365 Mobility and Security (and earning one Microsoft 365 workload administrator certification or the MCSE Productivity certification) fulfills your requirements for the Microsoft 365 Certified Enterprise Administrator Expert certification credential. This demonstrates your ability to evaluate, plan, migrate, deploy, and manage Microsoft 365 services.

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