Perform these steps to add an additional Web Application Proxy server to the Azure AD Connect-managed AD FS farm:
- Select the Add a Web Application Proxy server ribbon.
- Click Next.
- On the Connect to Azure AD screen, enter the credentials of an account in Azure AD that has been assigned the Global administrator role.
- On the Connect to AD FS screen, enter the credentials for an account that is a member of the Enterprise Admins group.
- On the Specify SSL certificate screen, click the Password button.
The Password popup appears.
- Enter the password for the PFX file.
- Click OK.
- Back in the Microsoft Azure Active Directory Connect screen, select the right Subject name from the available subject names in the certificate. ...