# System requirements

The system requirements for using Patch Manager Plus include the following:

- Hardware requirements for [Patch Manager Plus Server, Patch Manager Plus Agent, SQL server](https://www.manageengine.com/products/desktop-central/system-requirements.html#hwreq) and [Distribution Server](https://www.manageengine.com/products/desktop-central/system-requirements.html#accTree12)
- Network requirements such as Network Card Speed.
- Hardware requirements for [Secure Gateway Server](https://www.manageengine.com/products/desktop-central/secure-communication-of-mobile-users-using-forwarding-server.html#forwardingserverreq)
- [Supported Operating Systems](https://www.manageengine.com/products/desktop-central/system-requirements.html#sup_os) for Patch Manager Plus Server, Agent and Distribution Server
- [Supported Browsers](https://www.manageengine.com/products/desktop-central/system-requirements.html#sup_brow)
- [Supported Database](https://www.manageengine.com/products/desktop-central/system-requirements.html#sup_data)
- [Supported Web Servers](https://www.manageengine.com/products/desktop-central/system-requirements.html#sup_web_ser)

## Hardware Requirements

This section gives you information about the hardware requirements for distribution servers, MSSQL database, Patch Manager Plus servers and agents.

### 251 to 500 computers

| Server | Parameter | Requirement |
|---|---|---|
| **Patch Manager Plus Server** | Processor information | **Physical Machine:** Intel Core i3 (2 core/4 thread) 2.4 Ghz 3 MB cache<br>**Virtual Machine:** 4 virtual processors (2.4 Ghz 3 MB cache) |
|  | RAM size | 4 GB |
|  | Hard disk space | 10 GB* |
| **Patch Manager Plus Agents** | Processor | Intel Pentium |
|  | Processor Speed | 1.0 GHz |
|  | RAM size | 512 MB |
|  | Hard disk space | 3 GB** |
| **Network requirement** | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| **SQL Server** | Processor information | **Physical Machine:** Intel Core i3 (2 core/4 thread) 2.4 Ghz 3 MB cache<br>**Virtual Machine:** 4 virtual processors (2.4 Ghz 3 MB cache) |
|  | RAM size | 4 GB |
|  | Hard disk space | 10 GB* |
|  | Edition | Standard/Enterprise |

* May increase dynamically according to the frequency of scanning

** May increase dynamically depending on the operations performed on the client computer

**Note:** In the installed physical/virtual machine, kindly ensure that the mentioned hardware requirements is available exclusively for the Patch Manager Plus server instance.

## Software Requirements

This section gives you information about the software requirements for Patch Manager Plus Server, Agent and Distribution Server.