# Agent Components

> The files and components that make up the PerformanceGuard agent on a workstation or server.

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

PerformanceGuard uses distributed agents to collect information about the various parts of an IT system.  
The PerformanceGuard agent is installed on an end-user workstation or server as an executable file, some other files may also be installed:

|                             | **Windows 2003 Server**   | **Windows Server 2008, Server 2008 R2, Server 2012, Windows 7, Windows 8**   | **File Location**                                                                           |
|:----------------------------|:--------------------------|:-----------------------------------------------------------------------------|:--------------------------------------------------------------------------------------------|
| **Agent Executables**       |                           |                                                                              |                                                                                             |
| **GuardAgent.exe**          | x                         | x                                                                            | AgentDirectory                                                                              |
| **GuardAgentTray.exe**      |                           | x                                                                            |                                                                                             |
| **GuardAgentN.exe**         | x                         |                                                                              | AgentDirectory                                                                              |
| **BTMUtil.exe**             | x                         | x                                                                            | AgentDirectory                                                                              |
| **CitrixAgent.exe**         | x                         |                                                                              | AgentDirectory                                                                              |
| **vmwarecheck.exe**         |                           | x                                                                            | AgentDirectory                                                                              |
| **Drivers**                 |                           |                                                                              |                                                                                             |
| **pgnpf.sys**               | x                         | x                                                                            | %windir%\system32\drivers                                                                   |
| **DLLs**                    |                           |                                                                              |                                                                                             |
| **IEAgent.dll a)**          | x                         | x                                                                            | AgentDirectory                                                                              |
| **PGExtHelper.dll b)**      | x                         | x                                                                            | AgentDirectory  Win2003: %windir%\System32  Win2003 64bit, Win2008 64bit: %windir%\SysWOW64 |
| **PipeLib.dll c)**          | x                         | x                                                                            | AgentDirectory                                                                              |
| **wfapi2\_04\_2085.dll d)** | x                         |                                                                              | AgentDirectory                                                                              |
| **pgPacket.dll**            |                           | x                                                                            | AgentDirectory                                                                              |
| **pgwpcap.dll**             |                           | x                                                                            | AgentDirectory                                                                              |
| **Optional**                |                           |                                                                              |                                                                                             |
| **atl71.dll**               | x                         |                                                                              | AgentDirectory                                                                              |

Notes:

1. The Internet Explorer helper component is dependent on the installed version of Internet Explorer.

:::caution
[**Known issue**](http://capawiki.capasystems.com/display/pgdoc/Helper+isnt+compatible+with+Internet+Explorer+enhanced+security+features) on Windows 8 and Windows Server 2012.
:::
2. PGExtHelper.dll is used for collecting BTM data.
3. Used for communication between CitrixAgent.exe and GuardAgent.exe
4. Is supplied as a replacement for a leaking wfapi.dll supplied with earlier versions of Citrix Metaframe Server

| **Installer**                              | **AgentDirectory**                              |
|:-------------------------------------------|:------------------------------------------------|
| **AgentSetup.exe**                         | %ProgramFiles%\PremiTech\PerformanceGuard       |
| **PGuardAgent.msi**  **PGuardAgent64.msi** | %ProgramFiles%\PremiTech\PerformanceGuard Agent |