Inside Activate
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Troubleshooting
Missing Redirect URL
9 min
issue summary users encounter an authentication error when starting activate studio, displaying the message "a configuration issue is preventing authentication check the error message from the server for details " error details error code aadsts700218 error message "the request body must contain the following parameter 'client assertion' or 'client secret'" affected product activate studio root cause missing redirect url configuration in azure ad application registration for activate studio symptoms activate studio fails to authenticate during startup authentication dialog displays configuration error users cannot proceed past the login screen in activate studio error references trace id and correlation id for troubleshooting root cause the azure ad application registration for activate studio is missing the required redirect url ( http //localhost ) for the mobile and desktop application platform configuration this prevents the authentication flow from completing successfully when users launch activate studio resolution steps step 1 access azure portal navigate to the https //portal azure com/ sign in with administrative credentials go to entra id > app registrations locate and select your activate studio application registration step 2 configure platform settings in the app registration, select authentication from the left menu under platform configurations , look for mobile and desktop applications if the platform doesn't exist, click add a platform and select mobile and desktop applications step 3 add redirect url in the mobile and desktop applications section, add the following redirect url http //localhost ensure the url is entered exactly as shown (no trailing slash, no port number) click save to apply the changes step 4 verify configuration confirm the redirect url appears in the list check that the platform is properly configured note the application (client) id for reference step 5 test activate studio authentication restart activate studio attempt to authenticate verify successful login completion prevention always include http //localhost as a redirect url when configuring azure ad for activate studio document platform specific redirect urls during initial activate studio setup include authentication configuration in activate studio deployment checklists test authentication flows in all target environments before deploying activate studio additional notes this configuration is specifically required for activate studio as a native application web applications require different redirect url formats changes to azure ad configuration may take a few minutes to propagate always test activate studio authentication after making configuration changes related information https //docs microsoft com/en us/azure/active directory/develop/quickstart register app https //docs microsoft com/en us/azure/active directory/develop/reply url https //docs microsoft com/en us/azure/active directory/develop/authentication flows app scenarios support information if this resolution doesn't solve the activate studio authentication issue verify the application (client) id matches your activate studio configuration check that the user has appropriate permissions to access activate studio review azure ad audit logs for additional error details contact your system administrator or azure support for further assistance