What additional RBAC roles does Admin1 need to create a host pool in Azure Virtual Desktop?

To create a host pool in Azure Virtual Desktop, the correct additional RBAC role required is the Desktop Virtualization Application Group Contributor. This role allows Admin1 to manage application groups, which are essential for assigning applications to the virtual desktop users deployed in a host pool.

Managing host pools often involves integrating them with application groups, so having the permissions to create and manage these groups is crucial. The role provides specific permissions that facilitate the configuration and management of applications within the virtual desktop environment, ensuring users can access the necessary resources when they log in.

Understanding the responsibilities linked to this role enhances an administrator's ability to maintain an organized and efficient Azure Virtual Desktop environment, where application delivery is seamlessly integrated with the user experience.