# Agent Requirements

> The desktop and server operating systems the PerformanceGuard agent can be installed on.

Source: https://docs.capaone.com/performanceguard/installation/install-performanceguard-agents/agent-requirements/  
Product: PerformanceGuard — a separate CapaSystems product; do not apply this page to any other.

# **Supported Operating Systems**

<font style="color: #404040;">The PerformanceGuard agent can be installed on physical or virtual computers running the following operating systems:</font>

## **Desktop Operating Systems**

- **Windows XP** (if using PerformanceGuard agent version 4.1.27 or newer)
- **Windows Vista** (if using PerformanceGuard agent version 5.2.38 or newer)
- **Windows 7** (if using PerformanceGuard agent version 5.5.3 or newer)
- **Windows 8** (if using PerformanceGuard agent version 6.1.16 or newer) [Startup and Login Data Is Old or Missing](/performanceguard/troubleshooting/troubleshoot-server/startup-and-login-data-is-old-or-missing/)
- **Windows 10** (if using PerformanceGuard agent version 6.6.28301 or newer) [Startup and Login Data Is Old or Missing](/performanceguard/troubleshooting/troubleshoot-server/startup-and-login-data-is-old-or-missing/)
- **Windows 11** (if using PerformanceGuard agent version 8.3 or newer)

## **Server Operating Systems**

- **Windows 2003 Server** if using PerformanceGuard agent version 4.1.27 or newer)
- **Windows 2008 Server** (if using PerformanceGuard agent version 5.2.38 or newer)
- **Windows 2008 Server R2**
- **Windows Server 2012** (if using PerformanceGuard agent version 6.1.16 or newer)
- **Windows Server 2012 R2** (if using PerformanceGuard agent version 6.1.16 or newer)
- **Windows Server 2016** (if using PerformanceGuard agent version 7.4)
- **Windows Server 2019** (if using PerformanceGuard agent version 7.4)
- **Windows Server 2022** (if using PerformanceGuard agent version 8.3)

# **Network Requirements**

<font style="color: #404040;">PerformanceGuard agents communicate with the PerformanceGuard frontend server through TCP. The PerformanceGuard agent will regularly establish a TCP connection with the PerformanceGuard frontend server on a port number specified during the installation of PerformanceGuard on the server. The default port is TCP port 4001.</font>  
<font style="color: #404040;">See also</font> [Installation](/performanceguard/installation/)<font style="color: #404040;">. </font>