Visual Studio displays the following dialog when a project is not yet configured to use SSL:

![This project is configured to use SSL. To avoid SSL warnings in the browser you can choose to trust the self-signed certificate that IIS Express has generated. Would you like to trust the IIS Express SSL certificate?](~/getting-started/_static/trustCert.png)

Select **Yes** if you trust the IIS Express SSL certificate.

The following dialog is displayed:

![Security warning dialog](~/getting-started/_static/cert.png)

Select **Yes** if you agree to trust the development certificate.

[!INCLUDE[trust FF](~/includes/trust-ff.md)]