License & Subscription Issues

Fix Microsoft 365 Global Administrator Cannot Use Purview or Assign Licenses

Maira Mehtab Sep 20, 2026 868 views

Question details

A user with the Global Administrator role is unable to perform Microsoft Purview compliance tasks or assign Microsoft 365 licenses.

Product: Microsoft 365
Device & OS: not provided
Scenario: Attempting to assign software licenses to new users or run compliance reports in Microsoft Purview.
Observed behavior: The Global Administrator is restricted from accessing Purview features and the license assignment options are unavailable or fail to apply.

Before you start

Ensure you have your Microsoft 365 administrator credentials ready and verify that your global admin account is not currently locked out due to a password expiration.

Solution 1Recommended

Verify Active Roles and Purview Permissions

Confirm that the Global Administrator role is active and assign the specific role groups required for Microsoft Purview access.

Although the Global Administrator role provides extensive access across Microsoft 365, certain specialized areas like Microsoft Purview (compliance and security) require explicit assignment to dedicated role groups to perform specific tasks.

Check Microsoft 365 Admin Center

Navigate to the Microsoft 365 Admin Center, go to Users > Active users, select the administrator account, and verify that the Global Administrator role is actively assigned without errors.

Review Microsoft Purview Roles

Go to the Microsoft Purview compliance portal. Navigate to Roles & scopes > Permissions, and ensure the administrator account is explicitly added to the necessary role groups, such as Compliance Administrator or eDiscovery Manager.

Permission Propagation Time: After assigning a new role or permission, it may take between 15 minutes and a few hours for the changes to fully propagate across all Microsoft 365 services.

Solution 2

Review Conditional Access Policies and Security Defaults

Check for security policies that might be blocking administrative access based on location, device, or sign-in risk.

Solution 3

Check Administrative Units Restrictions

Ensure the administrator's account is not restricted by administrative unit scoping that prevents them from managing certain users.

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Frequently Asked Questions

Do Global Administrators automatically get all Microsoft Purview permissions?

No. While Global Administrators have broad access, certain Microsoft Purview compliance tasks require you to explicitly assign yourself to specific role groups, such as the eDiscovery Manager or Compliance Administrator.

Why is the license assignment button greyed out in the Microsoft 365 Admin Center?

The button may be greyed out if your organization has run out of available licenses, if your admin session has timed out, or if your account is restricted by an Administrative Unit scope.

How long does it take for newly assigned Microsoft 365 admin roles to take effect?

Role changes in Microsoft 365 and Microsoft Entra ID typically take effect within 15 to 30 minutes, but in some cases, it can take up to a few hours for permissions to propagate completely.

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