Entra ID User Management with the EntraExternalToInternalConverter PowerShell Script

In today’s rapidly evolving digital landscape, where mergers, acquisitions, and organizational restructuring have become the norm, the ability to efficiently manage user identities is more critical than ever. Microsoft’s Entra, a cornerstone of modern identity and access management, has introduced functionalities that significantly ease the complexities of managing user roles and access. Among these, the transition of external user IDs to internal ones stands out as a key feature for organizations undergoing changes. To leverage this feature efficiently, the “EntraExternalToInternalSwitch” PowerShell script has been developed, offering a streamlined approach to converting external users to internal Entra ID users.

GitHub Link to Script: EntraExternalToInternalUserConverter.ps1

What is EntraExternalToInternalSwitch?

The EntraExternalToInternalSwitch PowerShell script is an automation tool designed to facilitate the conversion of external users (those authenticated through external mechanisms such as other Microsoft Entra IDs, Google federation, or Microsoft accounts) to internal users within the Microsoft Entra ecosystem. This transition is pivotal for organizations looking to maintain seamless user access and data integrity during periods of transition.

Key Features and Benefits

• Simplified User Conversion: The script automates the process of converting external users to internal users, making it less labor-intensive and reducing the potential for human error.
• Custom UPN Assignment: It allows for the specification of a new User Principal Name (UPN) for the converted user, ensuring that user identities align with organizational domain structures and naming conventions.
• Automated Password Generation: For a smooth transition, the script can auto-generate passwords for converted user accounts, adhering to security best practices while ensuring that users can access their accounts without interruption.
• Domain Selection: In environments with multiple domains, the script prompts the user to select the appropriate domain for the UPN, enhancing the customization of the conversion process.

How It Works

The script operates by prompting the administrator for the external account name intended for conversion. It then lists all available domains within the tenant, allowing the administrator to select the most appropriate one for the user’s new UPN. After specifying the UPN and opting for an auto-generated password, the script executes the conversion process, seamlessly transitioning the external user to an internal user with minimal manual intervention.

Use Cases

• Organizational Mergers and Acquisitions: Quickly integrate users from acquired or merged entities into the primary organization’s Entra environment.
• Restructuring: Efficiently manage changes in user roles and access levels as part of organizational restructuring efforts.
• Security Enhancements: Upgrade external users to internal users for improved security and management.

Executing the Script:

The script requires that you have the following PowerShell Graph module installed:

• Microsoft Graph PowerShell SDK

From a PowerShell windows run .\ExternalToInternalConverter.ps1 , you will be prompted with the following Graph Permission request.

Once approved you will be presented with the script asking you to select as follows.

Conclusion

The EntraExternalToInternalSwitch PowerShell script is an invaluable tool for IT administrators and security architects who manage Microsoft Entra environments, especially in times of significant organizational change. By automating the conversion process, the script not only saves time but also ensures a secure, consistent approach to user management. As organizations continue to navigate the complexities of digital transformation, tools like the EntraExternalToInternalSwitch become essential components of a robust identity and access management strategy.

Explore this tool to enhance your organization’s agility and maintain a high standard of security and user experience in your Microsoft Entra ecosystem.

Sharing is caring!