Duo-Juniper-8.x- v5- must use the Duo package customized for your account. Your file name will differ from the example image below, reflecting the actual version of the Duo Juniper/Pulse package and your organization's Duo Account ID (visible on the Settings tab of the Duo Admin Panel) as the accountid i.e.
Upload the Duo Juniper package zip file downloaded from the Duo Admin Panel earlier. Navigate to Authentication → Signing In → Sign-in Pages, click Upload Custom Pages., and fill in the form: Field
Make sure that Duo is compatible with your Pulse Secure Access SSL VPN.
Before moving on to the deployment steps, it's a good idea to familiarize yourself with Duo administration concepts and features like options for applications, available methods for enrolling Duo users, and Duo policy settings and how to apply them.