---
title: Requirements
description: "Before installation, provide the following: - A supported 64-bit Windows host Minimum system requirements Operating System - Windows Server 2019 / 2022 / 2025 (recommended for production), or Windows 11 Pro (64-bit) for evaluation Hardware - CPU: 4-core, 2.0 GHz…"
url: "https://activerecord.com/docs/administration/requirements/"
updated: "2026-09-10"
category: "Administration - Oculens DDC Server (ODDC Server) 5.1"
---

# Requirements

Before installation, provide the following:

- A supported 64-bit Windows host

 Minimum system requirements

Operating System

- Windows Server 2019 / 2022 / 2025 (recommended for production), or Windows 11 Pro (64-bit) for evaluation

Hardware

- CPU: 4-core, 2.0 GHz or faster (x64)
- RAM: 8 GB minimum (16 GB recommended for production workloads)
- Disk: 1 GB free space for the application, plus additional storage sized to your expected document volume
- SSD recommended for the document processing/temp folders to improve OCR and image processing throughput

- .NET8 runtime environment (ASP.NET Core Runtime, .NET Runtime from [https://dotnet.microsoft.com/en-us/download/dotnet/8.0](https://dotnet.microsoft.com/en-us/download/dotnet/8.0))

- A reachable Microsoft SQL Server instance

- A Windows account for the service. The account must have permission to run as a service and access all configured local folders and network shares

- SQL permissions sufficient to connect, create or migrate the configured database, and read and write application data

- An HTTPS certificate for production use

- Network access to the license activation service when activating a license

- For optional IMAP or Microsoft 365 inputs, the corresponding mailbox or Microsoft Entra ID application credentials and network access