How to Fix: Restrict Guest Invitation Permissions
Step-by-step guide to implement restrict guest invitation permissions in your Microsoft 365 environment.
5-10 minutes
Estimated Time
4
Steps
high
Severity
Recommended Secure
Baseline Level
Why This Matters
Unrestricted guest invitations allow any user to bring external identities into your tenant. This creates uncontrolled access paths and potential data exposure. Limiting invitations to authorized personnel ensures oversight.
Prerequisites
- 1Global Administrator or appropriate admin role in Microsoft Entra ID
- 2Access to Microsoft Entra admin center (entra.microsoft.com)
Expected Configuration
- Only admins and users in the Guest Inviter role can invite guests
- Member users cannot invite guests
- Guests cannot invite other guests
Remediation Steps
Review Current Configuration
Assess your current configuration in Microsoft Entra admin center.
- •Navigate to the relevant section in Entra admin center
- •Document current settings
- •Compare against expected state
Plan Implementation
Determine the changes needed to meet the expected configuration.
- •Review expected configuration requirements
- •Identify affected users or resources
- •Plan rollout strategy
Implement Changes
Apply the necessary configuration changes.
- •Make required configuration updates
- •Apply to appropriate scope
- •Document changes made
Validate and Monitor
Verify the changes are working as expected.
- •Run TrueConfig scan to verify compliance
- •Test affected functionality
- •Set up ongoing monitoring
Auto-Remediation Available
TrueConfig can automatically fix this control for you. Enable auto-remediation to have this configuration applied and maintained automatically.
Learn about auto-remediationRelated Resources
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