On certain occasions, the Microsoft Partner Center integration with the platform needs to be reconfigured in order to handle connection issues. The most 

Setting up a New Web App

Sign into Partner Center with your primary admin account.
1. From the Dashboard menu, select Account settings, then API.
2. You should see an 'unregister' option for your existing web app. 
3. Then register a new app with default settings. The old app will not be deleted.

Keep in mind that since the platform can still be used for making changes in existing tenants, you should do the change outside of working hours.

After you register the app and configure it in the platform, you will need to change the app permissions, in the following manner:

1. log in in your 'Azure portal', with your admin account, 
2. locate app registrations (azure_permissions1.png)
3. select the new web app, locate its permissions (azure_permissions2) and add according to the screenshots (web_app_permissions1-6). You might need to add a new app under the web app.

In case you want us to do it, you will need to send us the password of the partner center global admin user.