(Beginner to Admin-Level Practical Guide)
🎯 Objective of Day-3
The goal of Day-3 is to understand how Microsoft 365 licensing works, how licenses are assigned, removed, and managed, and how admins control service access for users.
License management directly impacts:
- 💰 Cost optimization
- 🔐 Security
- 👩💻 User productivity
This is a daily responsibility of an M365 Administrator.
🔹 Prerequisites
- Microsoft 365 tenant (trial or paid)
- Global Admin or User Admin role
- At least one available license (Business / E3 / E5)
1️⃣ Understanding Microsoft 365 License Types
Before assigning licenses, it’s important to understand what you are assigning.
Common License Categories
- Business Plans
- Business Basic
- Business Standard
- Business Premium
- Enterprise Plans
- Microsoft 365 E3
- Microsoft 365 E5
- Standalone Services
- Exchange Online
- Teams
- OneDrive
- SharePoint
📌 Admin Tip:
Never assign licenses blindly. Always understand what services are included.
2️⃣ Check Available Licenses in Tenant
📍 Steps:
- Open Microsoft 365 Admin Center
- Go to Billing → Licenses
- Review:
- Total licenses
- Assigned licenses
- Available licenses
3️⃣ Assign License to a User
📍 Steps:
- Go to Users → Active users
- Select a user
- Click Licenses and apps
- Toggle ON the required license
- Click Save changes
🟢 The user now has access to assigned services.
4️⃣ Assign Licenses During User Creation
📍 Steps:
- Go to Users → Active users
- Click Add a user
- Enter user details
- On Licenses page:
- Select license
- Choose location
- Complete user creation
📌 Best Practice:
Always assign license during onboarding to avoid service access delays.
5️⃣ Enable / Disable Individual Services (Very Important)
Licenses include multiple services. You can control access per service.
📍 Steps:
- Select a user
- Go to Licenses and apps
- Expand the license
- Enable or disable services like:
- Exchange Online
- Teams
- OneDrive
- SharePoint
- Click Save
🧠 Use Case Examples:
- Disable Teams for non-collaboration users
- Disable Exchange for shared accounts
- Control cost by limiting unused services
6️⃣ Remove License from a User
📍 Steps:
- Select the user
- Go to Licenses and apps
- Toggle license OFF
- Save changes
⚠️ Important:
Removing a license may delete:
- Mailbox (after retention period)
- OneDrive data (after retention period)
7️⃣ Bulk License Assignment (Admin Efficiency)
📍 Steps:
- Go to Users → Active users
- Select multiple users
- Click Manage licenses
- Assign or remove licenses in bulk
📌 Used during:
- Mass onboarding
- Department transfers
- License optimization
8️⃣ Common License-Related Admin Issues
| Issue | Cause |
|---|---|
| User can’t access Outlook | Exchange service disabled |
| Teams missing | Teams license not enabled |
| License unavailable | All licenses consumed |
| Duplicate licenses | Manual assignment mistakes |
🛠️ Admin Tip:
Always check Licenses and apps first when troubleshooting.
9️⃣ License Management Best Practices
✔ Assign licenses via groups (recommended)
✔ Review unused licenses monthly
✔ Disable unnecessary services
✔ Use least-privilege principle
✔ Track license usage regularly
1️⃣0️⃣ Real-World Admin Scenario
“A user joined HR but didn’t need Teams. We assigned Business Premium but disabled Teams and Stream services to reduce exposure and cost.”
This shows practical admin thinking, not just technical steps.
🔜 Day-4 Preview (Next Day Plan)
📅 Day-4: Security Foundations in Microsoft 365
We will cover:
- Password policies
- MFA basics
- Security defaults
- Conditional Access (intro)
- Identity security best practices