---
title: Overview
description: "The following installations **must be completed** prior to beginning the process of installing the i2b2 server-common. ![](https://community.i2b2.org/wiki/download/attachments/6684832/book_open.png)  **Data install Requirements Chapter** ![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Installed a Database Management System *(Oracle, PostgreSQL or SQL Server)* ![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Installed Apache Ant version 1.9.6 ![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Downloaded the…"
url: "https://i2b2.org/docs/4-1-prerequisites/"
updated: "2026-09-15"
category: "i2b2 Installation Guide / Chapter 4. Server Install Guide / B. Legacy Approach - Build Each Cell from Source / Chapter 4. i2b2 Server-Common Install / 4.1 Prerequisites"
---

# Overview

The following installations **must be completed** prior to beginning the process of installing the i2b2 server-common.

![](https://community.i2b2.org/wiki/download/attachments/6684832/book_open.png)  **Data install Requirements Chapter**

![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Installed a Database Management System *(Oracle, PostgreSQL or SQL Server)*

![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Installed Apache Ant version 1.9.6

![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Downloaded the i2b2 data installation package listed in [i2b2 Requirements](https://i2b2.atlassian.net/wiki/x/WwLMD)* Section*.

![](https://community.i2b2.org/wiki/download/attachments/6684832/book_open.png)  **Data Installation Chapter**

![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Created database user accounts for i2b2 schemas

![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Created all the data tables *(Crcdata, Hivedata, Imdata, Metadata, Pmdata and Workdata)*

![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Created the stored procedures for the Crcdata tables and the triggers for the Pmdata tables

![](https://community.i2b2.org/wiki/download/attachments/6684832/checkbox_checked.png)  Loaded data into all the tables *(Crcdata, Hivedata, Imdata, Metadata, Pmdata and Workdata)*