Account Security Problems

Understanding Microsoft 365 Regular vs. System User Types and Security Logs

Aamir Naveed AkramAamir Naveed Akram Oct 12, 2026 868 views

Question details

The user wants to understand the distinction between Regular and System user types in Microsoft 365, and how security logs track system activities and access token requests.

Understanding Microsoft 365 Regular vs. System User Types and Security Logs
Product
Microsoft 365
Device & OS
not provided
Scenario
Reviewing account security and monitoring system activity logs in a Microsoft 365 environment.
Observed behavior
Seeking clarification on how Regular and System users differ and the extent to which system activities and token requests are captured in security logs.
Before you start

Before reviewing security logs or user configurations, ensure you have global or security administrative access to your Microsoft 365 environment and the Microsoft Entra admin center.

Solution 1Recommended

Differentiate Between Regular and System Users

Understand the core differences between human-managed accounts and automated service accounts in Microsoft 365.

In Microsoft 365, 'Regular' users are standard accounts created for human users. They are managed by administrators and used for daily tasks like email, document creation, and collaboration.

'System' users are specialized service accounts (often Service Principals or Managed Identities) utilized by Microsoft 365 applications, background services, and automated processes. These accounts do not represent physical users and are typically restricted from interactive login.

1
Review Regular Users

Log in to the Microsoft 365 admin center, navigate to 'Users', and click 'Active users' to view all standard accounts assigned to employees.

2
Identify System Accounts

Log in to the Microsoft Entra admin center, navigate to 'Applications', and select 'Enterprise applications' or 'App registrations' to view automated system identities and service principals.

Differentiate Between Regular and System Users
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Frequently Asked Questions

Are access token requests by system users always logged in Microsoft 365?

Yes, access token requests made by service principals and managed identities (system users) are typically logged in the Microsoft Entra ID non-interactive and service principal sign-in logs.

Can a regular user account be converted into a system user account?

No, regular user accounts and system accounts (like Service Principals) are structurally different in Microsoft Entra ID. Instead of converting, you should create a dedicated service principal or managed identity for automated tasks.

Where can I get help with interpreting Microsoft Graph SDK security logs?

For detailed and implementation-specific questions regarding Microsoft Graph API access token logs, it is recommended to visit the official Microsoft Developer community or the Microsoft Q&A forums.