--- title: "System and Software Requirements" slug: "xa-server-system-and-software-requirements" updated: 2026-06-17T15:53:07Z published: 2026-06-17T15:53:07Z canonical: "healthcare.rapididentity.com/xa-server-system-and-software-requirements" --- > ## Documentation Index > Fetch the complete documentation index at: https://healthcare.rapididentity.com/llms.txt > Use this file to discover all available pages before exploring further. # System and Software Requirements The following is a list of all target platforms for HC ProxAuth Server. Please contact your HealthCast Project Manager to determine the optimal configuration(s) for your organization. ## Operating Systems - Microsoft Windows® 2022 Server 64-bit - Microsoft Windows® 2019 Server 64-bit - Microsoft Windows® 2016 Server 64-bit ## Required Minimum Server Specifications - Quad-core, 2GHz or better processor - 8 GB RAM - 2 Ethernet network interface cards ## Virtual Machines - VMware vSphere / ESXi 8.x - VMware vSphere / ESXi 7.x - Microsoft Windows® 2022 Hyper-V - Microsoft Windows® 2019 Hyper-V ## Directory Services - Active Directory® 2022 - Active Directory® 2019 - Active Directory® 2016 - Active Directory® 2012 ## Databases A full installation of SQL Server is required. - Microsoft® SQL Server 2022 x64 – PREFERRED - Any edition—Enterprise, Standard—is supported. - Microsoft® SQL Server 2019 x64 – PREFERRED - Any edition—Enterprise, Standard—is supported. - Microsoft® SQL Server 2017 x64 - Any edition—Enterprise, Standard—is supported. - Microsoft® SQL Server 2016 x64 SP1 - Any edition—Enterprise, Business Intelligence, Standard—is supported. ⚠️ High Availability When configuring for high availability clusters, only the Enterprise editions support multiple machines. Ensure that you have the proper version for the desired configuration for redundancy.