Microsoft 365 Administration and Troubleshooting is a course in running an organisation's Microsoft 365 environment, from the tenant, licences, users and directory sync to resolving problems in Exchange Online, Teams, SharePoint and OneDrive, with security and compliance. It suits people taking on Microsoft 365 administration and IT support teams who handle user issues.
Once you are made a Microsoft 365 administrator for your organisation, the work ranges from adding users and licences, syncing accounts from Active Directory and configuring email, Teams and SharePoint, to handling the calls when users cannot send email, cannot join Teams or find that their OneDrive files will not sync. The platform changes constantly, from service names to screens and tools, so administrators without a systematic approach fix problems slowly and risk settings that weaken security.
This course takes administrators through Microsoft 365 with today's tools and practices. It starts with an overview of the services, licensing and tenant configuration, using the admin centers alongside Microsoft Graph PowerShell, managing users, groups and admin roles, directory synchronisation and authentication. It then goes deep into administering and troubleshooting Exchange Online, Microsoft Teams, SharePoint Online and OneDrive, followed by deploying Microsoft 365 Apps, email protection and compliance with Microsoft Purview, and closes with a workshop that works through real user-reported problems. (3 days, 6 hours per day, 18 hours in total, Intermediate level.)
Course Details
This course is the 2026 edition of Microsoft 365 Administration and Troubleshooting (formerly Office 365 Administration and Troubleshooting), updated for the current Microsoft 365 service names, screens and tools. It runs for 3 days, 6 hours per day (18 hours in total, 09:00-16:00), as lectures with labs. Intermediate level. It covers the tenant and licensing, users and admin roles, directory synchronisation, authentication, Exchange Online, Teams, SharePoint Online, OneDrive, Microsoft 365 Apps, email security and Microsoft Purview, with the focus on solving problems that users actually report. It is not an official exam preparation course. Learners use a trial tenant or their company's test tenant, and some features need E5-level licences or add-ons. Learners take home a lab guide, PowerShell scripts and troubleshooting runbooks.
Section 1: Lab: Service Overview and Tenant Configuration
Section 2: Administration Tools and Techniques
Section 3: Lab: Users, Groups and Admin Permissions
Section 4: Directory Synchronisation and Hybrid Identity
Section 5: Lab: Authentication and Conditional Access
Section 6: Lab: Administering Exchange Online
Section 7: Troubleshooting Exchange Online
Section 8: Lab: Administering and Troubleshooting Microsoft Teams
Section 9: Lab: Configuring SharePoint Online and OneDrive
Section 10: Troubleshooting SharePoint Online and OneDrive
Section 11: Lab: Planning and Deploying Microsoft 365 Apps
Section 12: Email and Collaboration Security
Section 13: Lab: Compliance with Microsoft Purview
Section 14: Monitoring, Reports and Preparing for Copilot
Section 15: Workshop: Solving Real User Problems
No public rounds are open right now. Join the waiting list and we will contact you first when the next round opens, or ask us on LINE. Or call 02-570-8449 or 088-807-9770
Both sync user and group accounts from on-premises Active Directory to Microsoft Entra ID, which Microsoft 365 uses, so users can sign in with the same name and password as on the internal network through password hash sync, pass-through authentication or federation. Connect Sync is installed as a full sync server, while Cloud Sync uses a lightweight agent configured from the cloud. When accounts do not appear or data does not match, administrators check sync status and errors, for example in Microsoft Entra Connect Health.
Start in the Microsoft 365 admin center: check that the user has a licence that includes Exchange Online and that the account is not blocked, and look at Service health for any Microsoft incident. Then use message trace in the Exchange admin center to see whether the message was delivered, rejected or held in quarantine, read the NDR code the sender received, and check the domain's DNS records, such as MX, SPF, DKIM and DMARC.
The admin center suits one-off tasks and a visual overview, while PowerShell suits bulk or repeated work, such as creating hundreds of users from a CSV file, assigning licences to a whole department or pulling reports the screens do not offer. Today you should use Microsoft Graph PowerShell or Microsoft Entra PowerShell in place of the retired MSOnline and AzureAD modules, together with Exchange Online PowerShell and Teams PowerShell for each service.
It suits people who are about to become, or have just become, Microsoft 365 administrators, IT support and helpdesk teams, and system administrators who run Active Directory. You should have experience using Microsoft 365 and basic networking and DNS knowledge, and some PowerShell will help. Learners need a trial tenant or their company's test tenant for the labs.
You will be able to configure the tenant, domains and licences, manage users, groups and admin roles through the admin centers and PowerShell, look after directory synchronisation, MFA and Conditional Access, troubleshoot Exchange Online, Teams, SharePoint Online and OneDrive, deploy and update Microsoft 365 Apps, set up email protection and compliance with Microsoft Purview, and solve user problems systematically. Participants who complete the training receive a Certificate of Completion with its own number, which can be verified online.
Yes. It can be run in-house for your team, with examples adapted to your own work, such as troubleshooting the issues your users report most often with the licences your organisation already has. You can request a quotation from this page, or contact us on LINE @itgenius or by phone on 02-570-8449.
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