# System Requirements

The system requirements when using Vulnerability Manager Plus include the following:

- [Hardware requirements for Vulnerability Manager Plus Server](#hardware-requirements-for-vulnerability-manager-plus-servers)
- [Hardware requirements for Vulnerability Manager Plus Distribution Server](#hardware-requirements-for-distribution-servers)
- [Hardware requirements for Vulnerability Manager Plus Secure Gateway Server](#hardware-requirements-for-secure-gateway-server)
- [Hardware requirements for Vulnerability Manager Plus Agents](#hardware-requirements-for-vulnerability-manager-plus-agents)
- [Software requirements for Vulnerability Manager Plus Servers, Agents, and Distribution Servers](#software-requirements)
- [Supported Browsers](#supported-browsers)
- [Supported Database](#supported-database)
- [Supported Web Servers](#supported-web-servers)

## Hardware Requirements

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

## Hardware Requirements for Vulnerability Manager Plus Servers

### 1 to 250 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability Manager Plus Server | Processor information | **Physical Machine:** Intel Core i3 (2 core/4 thread) 2.0 Ghz 3 MB cache<br>**Virtual Machine:** 4 virtual processors (2.0 Ghz 3 MB cache) |
| Vulnerability Manager Plus Server | RAM size | 4 GB |
| Vulnerability Manager Plus Server | Hard disk space | 5 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| SQL Server | Processor information | **Physical Machine:** Intel Core i3 (2 core/4 thread) 2.0 Ghz 3 MB cache<br>**Virtual Machine:** 4 virtual processors (2.0 Ghz 3 MB cache) |
| SQL Server | RAM size | 4 GB |
| SQL Server | Hard disk space | 5 GB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

### 251 to 500 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability 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) |
| Vulnerability Manager Plus Server | RAM size | 4 GB |
| Vulnerability Manager Plus Server | Hard disk space | 10 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| 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) |
| SQL Server | RAM size | 4 GB |
| SQL Server | Hard disk space | 10 GB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

### 501 to 1000 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability Manager Plus Server | Processor information | **Physical Machine:** Intel Core i3 (2 core/4 thread) 2.9 Ghz 3 MB cache<br>**Virtual Machine:** 4 virtual processors (2.9 Ghz 3 MB cache) |
| Vulnerability Manager Plus Server | RAM size | 4 GB |
| Vulnerability Manager Plus Server | Hard disk space | 20 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| SQL Server | Processor information | **Physical Machine:** Intel Core i3 (2 core/4 thread) 2.9 Ghz 3 MB cache<br>**Virtual Machine:** 4 virtual processors (2.9 Ghz 3 MB cache) |
| SQL Server | RAM size | 4 GB |
| SQL Server | Hard disk space | 20 GB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

### 1001 to 3000 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability Manager Plus Server | Processor information | **Physical Machine:** Intel Core i5 (4 core/8 thread) 2.3 GHz<br>**Virtual Machine:** 8 virtual processors (2.3 Ghz) |
| Vulnerability Manager Plus Server | RAM size | 8 GB |
| Vulnerability Manager Plus Server | Hard disk space | 30 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| SQL Server | Processor information | **Physical Machine:** Intel Core i5 (4 core/8 thread) 2.3 GHz<br>**Virtual Machine:** 8 virtual processors (2.3 Ghz) |
| SQL Server | RAM size | 8 GB |
| SQL Server | Hard disk space | 30 GB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

### 3001 to 5000 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability Manager Plus Server | Processor information | **Physical Machine:** Intel Core i7 (6 core/12 thread) 3.2 GHz<br>**Virtual Machine:** 12 virtual processors (3.2 Ghz) |
| Vulnerability Manager Plus Server | RAM size | 8 GB |
| Vulnerability Manager Plus Server | Hard disk space | 40 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| SQL Server | Processor information | **Physical Machine:** Intel Core i7 (6 core/12 thread) 3.2 GHz 12 MB cache<br>**Virtual Machine:** 12 virtual processors (3.2 GHz 12 MB cache) |
| SQL Server | RAM size | 8 GB |
| SQL Server | Hard disk space | 200 GB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

### 5001 to 10000 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability Manager Plus Server | Processor information | **Physical Machine:** Intel Xeon (8 core/16 thread) 2.6 GHz<br>**Virtual Machine:** 16 virtual processors (2.6 Ghz) |
| Vulnerability Manager Plus Server | RAM size | 16 GB |
| Vulnerability Manager Plus Server | Hard disk space | 60 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| SQL Server | Processor information | **Physical Machine:** Intel Xeon (8 core/16 thread) 2.6 GHz 20 MB cache<br>**Virtual Machine:** 16 virtual processors (2.6 GHz 20 MB cache) |
| SQL Server | RAM size | 16 GB |
| SQL Server | Hard disk space | 250 GB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

### 10001 to 15000 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability Manager Plus Server | Processor information | **Physical Machine:** Intel Xeon (12 core/24 thread) 2.7 GHz<br>**Virtual Machine:** 24 virtual processors (2.7 Ghz) |
| Vulnerability Manager Plus Server | RAM size | 32 GB |
| Vulnerability Manager Plus Server | Hard disk space | 100 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| SQL Server | Processor information | **Physical Machine:** Intel Xeon (12 core/24 thread) 2.7 GHz 30 MB cache<br>**Virtual Machine:** 24 virtual processors (2.7 GHz 30 MB cache) |
| SQL Server | RAM size | 32 GB |
| SQL Server | Hard disk space | 500 GB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

**While managing more than 10,000 computers/devices -**

1. It is recommended to install SQL server and Vulnerability Manager Plus server in different machines for performance enhancement purposes.
2. Use Windows Server operating systems
3. Use Enterprise grade hard drives or solid state drives (SSD).
4. It is recommended to install Distribution Server for every 1000 computers.

### 15001 to 20000 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability Manager Plus Server | Processor information | **Physical Machine:** Intel Xeon (14 core/28 thread) 2.7 GHz<br>**Virtual Machine:** 28 virtual processors (2.7 Ghz) |
| Vulnerability Manager Plus Server | RAM size | 32 GB |
| Vulnerability Manager Plus Server | Hard disk space | 120 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| SQL Server | Processor information | **Physical Machine:** Intel Xeon (14 core/28 thread) 2.7 GHz 30 MB cache<br>**Virtual Machine:** 28 virtual processors (2.7 GHz 30 MB cache) |
| SQL Server | RAM size | 64 GB |
| SQL Server | Hard disk space | 500 GB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

**While managing more than 10,000 computers/devices -**

1. It is recommended to install SQL server and Vulnerability Manager Plus server in different machines for performance enhancement purposes.
2. Use Windows Server operating systems
3. Use Enterprise grade hard drives or solid state drives (SSD).
4. It is recommended to install Distribution Server for every 1000 computers.

### 20001 to 25000 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability Manager Plus Server | Processor information | **Physical Machine:** Intel Xeon (16 core/32 thread) 3.0 GHz<br>**Virtual Machine:** 32 virtual processors (3.0 Ghz) |
| Vulnerability Manager Plus Server | RAM size | 32 GB |
| Vulnerability Manager Plus Server | Hard disk space | 500 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| SQL Server | Processor information | **Physical Machine:** Intel Xeon (16 core/32 thread) 3.0 GHz 30 MB cache<br>**Virtual Machine:** 32 virtual processors (3.0 GHz 30 MB cache) |
| SQL Server | RAM size | 64 GB |
| SQL Server | Hard disk space | 1 TB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

**While managing more than 10,000 computers/devices -**

1. It is recommended to install SQL server and Vulnerability Manager Plus server in different machines for performance enhancement purposes.
2. Use Windows Server operating systems
3. Use Enterprise grade hard drives or solid state drives (SSD).
4. It is recommended to install Distribution Server for every 1000 computers.

### 25001 to 35000 computers

| Server | Parameter | Requirement |
|---|---|---|
| Vulnerability Manager Plus Server | Processor information | **Physical Machine:** Intel Xeon (16 core/32 thread) 3.0 GHz<br>**Virtual Machine:** 32 virtual processors (3.0 Ghz) |
| Vulnerability Manager Plus Server | RAM size | 32 GB |
| Vulnerability Manager Plus Server | Hard disk space | 500 GB* |
| Network requirement | Network card speed | Minimum 1 GBPS Network Interface Card (NIC) |
| Network requirement | Bandwidth | Minimum 1 MBPS (T1 connection) |
| SQL Server | Processor information | **Physical Machine:** Intel Xeon (20 core/40 thread) 3.6 GHz 50 MB cache<br>**Virtual Machine:** 40 virtual processors 3.6 GHz 50 MB cache |
| SQL Server | RAM size | 64 GB |
| SQL Server | Hard disk space | 1 TB* |

\* May increase dynamically according to the frequency of scanning  
\** May increase dynamically depending on the operations performed on the client computer

**While managing more than 10,000 computers/devices -**

1. It is recommended to install SQL server and Vulnerability Manager Plus server in different machines for performance enhancement purposes.
2. Use Windows Server operating systems
3. Use Enterprise grade hard drives or solid state drives (SSD).
4. It is recommended to install Distribution Server for every 1000 computers.

### Above 35000 computers

For managing more than 35000 computers, contact Vulnerability Manager Plus Support at [vulnerabilitymanagerplus-support@manageengine.com](mailto:vulnerabilitymanagerplus-support@manageengine.com). We will customize the Vulnerability Manager Plus server setup based on your network.

## Distribution Servers

### Hardware Requirements for Distribution Servers

| No. of Computers Managed Using the Distribution Server | Processor Information | RAM Size | Hard Disk Space |
|---|---|---|---|
| 1 to 500 | **Physical Machine**: Intel Core i3 (2 core/4 thread) 2.0 Ghz 3 MB cache<br>**Virtual Machine**: 4 virtual processors (2.0 Ghz 3 MB cache) | 2 GB | 10 GB* |
| 501 to 1000 | **Physical Machine**: Intel Core i3 (2 core/4 thread) 2.9 Ghz 3 MB cache<br>**Virtual Machine**: 4 virtual processors (2.9 Ghz 3 MB cache) | 4 GB | 20 GB* |
| 1001 to 3000 | **Physical Machine**: Intel Core i5 (4 core/8 thread) 2.3 GHz<br>**Virtual Machine**: 8 virtual processors (2.3 Ghz) | 4 GB | 30 GB* |

\* May increase depending on the number of software applications and patches that are deployed

## Secure Gateway Server

### Hardware requirements for Secure Gateway Server

| No. of Computers | Servers used | Processor Information | RAM Size | Hard Disk Space |
|---|---|---|---|---|
| 1 to 5000 | Secure Gateway Server | **Physical Machine**: Intel Core i3 (2 core/4 thread) 2.9 Ghz 3 MB cache<br>**Virtual Machine**: 4 virtual processors 2.9 GHz 3 MB cache | 4 GB | 40 GB* |
| 5001 to 9000 | Secure Gateway Server | **Physical Machine**: Intel Core i5 (4 core/8 thread) 2.3 Ghz<br>**Virtual Machine**: 8 virtual processors 2.3 GHz | 4 GB | 80 GB* |
| 9001 to 15000 | Secure Gateway Server | **Physical Machine**: Intel Core i7 (6 core/12 thread) 3.2 Ghz<br>**Virtual Machine**: 12 virtual processors 3.2 GHz | 4 GB | 120 GB* |
| 15001 to 18000 | Secure Gateway Server | **Physical Machine**: Intel Xeon E5 (8 core/16 thread) 2.6 Ghz<br>**Virtual Machine**: 16 virtual processors 2.6 GHz | 8 GB | 150 GB* |
| 18001 to 25000 | Secure Gateway Server | **Physical Machine**: Intel Xeon E5 (12 core/24 thread) 2.7 Ghz<br>**Virtual Machine**: 24 virtual processors 2.7 GHz | 8 GB | 200 GB* |

\* May increase depending on the number of software applications and patches that are deployed as well as other activities done on the server.

## Hardware Requirements for Vulnerability Manager Plus Agents

| Hardware | Recommendations |
|---|---|
| Processors | Intel Pentium |
| Processor Speed | 1.0 GHz |
| RAM Size | 512 MB |
| Hard Disk Space | 100 MB* |

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

## Software Requirements

This section gives you information about the software requirements for distribution servers, Vulnerability Manager Plus servers and agents.

### Supported OS for Vulnerability Manager Plus Server & Distribution Servers

- Windows 7 (Supported for Distribution Server only)
- Windows 8 (Supported for Distribution Server only)
- Windows 8.1 (Supported for Distribution Server only)
- Windows 10
- Windows 11
- Windows Server 2008 R2 (Supported for Distribution Server only)
- Windows Server 2012 (Supported for Distribution Server only)
- Windows Server 2012 R2 (Supported for Distribution Server only)
- Windows Server 2016*
- Windows Server 2019*
- Windows Server 2022*
- Windows Server 2025*

\* - recommended for managing 5000 or more endpoints.

### Supported OS for Vulnerability Manager Plus agents

| Windows OS | Windows Server OS | macOS | Linux OS* |
|---|---|---|---|
| Windows 11 | Windows server 2025 | 26 Tahoe | Fedora 19 & later versions |
| Windows 10 | Windows server 2022 | 15 Sequoia | Ubuntu 10.04 & later versions |
| Windows 8.1 | Windows server 2019 | 14 Sonoma | Debian 7 & later versions |
| Windows 8 | Windows server 2016 | 13 Ventura | CentOS 6 & 7 |
| Windows 7 | Windows server 2012 R2 | 12 Monterey | Red Hat Enterprise Linux 6 & later versions |
| [Conditional Support](https://www.manageengine.com/products/desktop-central/securing-legacy-os-communication.html) | Windows server 2012 | 11 Big Sur | SUSE Enterprise Linux 11 & later versions |
|  | Windows server 2008 R2 | 10.15 Catalina | Linux Mint 13 & later versions |
|  | [Conditional Support](https://www.manageengine.com/products/desktop-central/securing-legacy-os-communication.html) |  | OpenSuSE 11 & later |
|  |  |  | Pardus 17 and 19 |
|  |  |  | Oracle Linux Server 6,7,8 and 9 |
|  |  |  | Oracle Linux 6 and later versions |
|  |  |  | Rocky Linux 8 and later versions |
|  |  |  | Amazon Linux 2 and Amazon Linux 2023 |
|  |  |  | [Know the supported features for each Linux flavor](https://www.manageengine.com/products/desktop-central/linux-comparison-matrix.html) |

\*We support Kernel versions above 2.6.33

## Supported Browsers

You are required to install any of the following browsers on your computer to access the Vulnerability Manager Plus console:

- Mozilla Firefox
- Google Chrome
- Microsoft Edge
- Zoho Ulaa

Note: The screen resolution should be 1280 x 1024 pixels or higher.

## Supported Database

Vulnerability Manager Plus supports the following databases:

- PGSQL
- MSSQL

The following versions of MSSQL are supported:

1. SQL Server 2005
2. SQL Server 2008
3. SQL Server 2012
4. SQL Server 2014
5. SQL Server 2016
6. SQL Server 2017
7. SQL Server 2019
8. SQL Server 2022

## Supported Web Servers

Vulnerability Manager Plus uses the following web servers:

- Apache (for static file services)
- Nginx (for static file services)
- Tomcat (for application related services)