MFA Security Issues

Best MFA Solutions for Multiple Microsoft 365 Administrators

Emma Brown Oct 10, 2026 868 views

Question details

The user needs to find the most secure and efficient way to handle Multi-Factor Authentication (MFA) when multiple employees require administrator access in Microsoft 365.

Best MFA Solutions for Multiple Microsoft 365 Administrators

Product: Microsoft 365
Device & OS: not provided
Scenario: Managing Microsoft 365 administrator access for a team of employees across multiple tenants without compromising security.
Observed behavior: Sharing a single admin account and authentication method among multiple employees creates significant security, auditing, and account-recovery risks.

Before you start

Ensure you have Global Administrator privileges in your Microsoft 365 tenant to create new user accounts and configure security policies.

Solution 1Recommended

Create Individual Admin Accounts and Enforce MFA

The most secure approach is to assign each administrator their own dedicated account with Multi-Factor Authentication enabled, ensuring proper auditing and accountability.

Sharing a single administrator account among multiple employees violates security best practices and makes auditing impossible. Microsoft actively enforces MFA for all administrator roles to protect against credential compromise. Every staff member must have their own designated credentials.

Add separate user accounts

Log in to the Microsoft 365 admin center as a Global Administrator. Navigate to 'Users' > 'Active users' and click 'Add a user' to create a unique account for each staff member.

Assign least privilege roles

During the account creation process, expand the 'Roles' section and assign only the specific administrative roles (e.g., Exchange admin, SharePoint admin) necessary for that employee's job function.

Configure Conditional Access for MFA

Go to the Microsoft Entra ID (formerly Azure AD) portal. Navigate to 'Security' > 'Conditional Access' and create a new policy that targets 'Directory roles'. Select all administrator roles and under 'Grant', check the box to 'Require multifactor authentication'.

Create Individual Admin Accounts and Enforce MFA

Avoid Sharing Authenticator Apps: While it is technically possible to scan a single MFA QR code on multiple devices during initial setup, doing so undermines accountability and is strongly discouraged by Microsoft.

Solution 2

Utilize Delegated Administration Privileges (GDAP)

For IT service providers or external teams managing multiple tenants, use delegated administration instead of creating local admin accounts in every client tenant.

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Document Your IT Security Policies with WPS Office

While you secure your Microsoft 365 admin environments with strict MFA policies, you also need a reliable suite to document and share these critical security procedures. WPS Office provides a free, lightweight, and highly compatible alternative to Microsoft Office, making it easy to create and distribute IT documentation across your team without additional licensing costs.

1. Download the software: Visit the official WPS Office website and click the free download button for your specific operating system.
2. Install WPS Office: Run the lightweight installer to quickly set up the suite on your computer without a complicated configuration process.
3. Open existing documentation: Launch WPS Office to instantly open, edit, and save your existing Microsoft Word or Excel IT documentation files seamlessly.

Fully compatible with Microsoft Word, Excel, and PowerPoint document formats.Ideal for drafting IT procedures, MFA deployment guides, and compliance logs.Familiar, intuitive user interface requiring zero learning curve for seamless migration.Built-in PDF editing capabilities for finalizing and distributing secure security policies.

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Frequently Asked Questions

Can I scan the same Microsoft Authenticator QR code on multiple devices?

Yes, it is possible to scan the setup QR code on multiple devices simultaneously before completing the final setup step. However, this practice is a significant security risk for administrator accounts and violates compliance standards because it removes individual accountability.

What happens if an administrator loses their MFA device?

If an administrator loses their authentication device, another Global Administrator or Privileged Authentication Administrator must log into the Microsoft Entra ID portal, navigate to the user's authentication methods, and select 'Require re-register MFA'. The user will be prompted to set up a new device upon their next login.

Does Microsoft strictly force MFA on all administrator accounts?

Yes, Microsoft enforces Multi-Factor Authentication for all users holding administrative roles in a tenant. This is implemented through Security Defaults or Microsoft-managed Conditional Access policies to prevent unauthorized access.

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