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How to change the MxAdmin password for an application published to the Mendix Free Cloud

Introduction

When deploying an app as a Free App in Mendix, the MxAdmin user is not created automatically. The database setup is initiated during the first deployment for Free Apps that have never been deployed. At this point, any data snapshots added to the app will be restored to the database, ensuring the app starts with the predefined data.

Environment

Free app

Instructions/Procedure

Please follow the step-by-step instructions for updating the MxAdmin password in Studio Pro and applying the changes to the Sandbox environment. 

  1. Change the MxAdmin password in Studio Pro via App > Security > Administrator. (Please ensure that the password meets the requirements of the Password Policy, which can be configured in App > Security > Password Policy)
  2. Run the application locally in Studio Pro.
  3. In Studio Pro, navigate to Version Control > Add Snapshot of Data to create a new snapshot
  4. In the Mendix Portal, navigate to the Environments tab of the application, click on the three dots in the Sandbox section, and click Delete to unlink the application:

    Screenshot 2025-12-09 170954.png
  5. In Studio Pro, click Publish to deploy the app to the cloud environment.

Outcome

The MxAdmin user will be able to sign in to the application in the Sandbox environment using the updated password.

Internal information related

  • 218827, 219090, 219779
  • UPV4-4557
  • C3T260XGA/p1725529142407159

Additional information 

Not applicable

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