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Zabbix Template - Monitoring RDP Server - improved by Ilias Aidar
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README.md

RDP ServerMonitoring

Improved by Ilias Aidar 24/09/2019

Originally created by Diego Cavalcante - 10/02/2017

If you have a Windows RDP “Terminal Server” server, monitoring consists of collecting connection statistics from users.

ITEMS

  • Total Active Users
  • Total inactive users
  • Name of active users
  • Name of inactive users
  • Remote IP Address of Active Users
  • Remote device hostname of active users
  • Terminal Service
  • Terminal Service License
  • RDP port status

TRIGGERS

  • Number of Connected Users
  • Number of Logged Out Users
  • RDP Port Status
  • Remote Desktop Licensing Service Status
  • Remote Desktop Services Service Status

1. HOST PREPARATION

Monitoring itself requires some adjustments to be made to the host prior to data collection. As an example in my environment there are some default directories that I use for Scripts and UserParameters.

Scripts: C:\app\zabbix\scripts
UserParameters: C:\app\zabbix\conf\rdp

NOTE: Adjust according to your environment, within Host zabbix_agentd.conf, adjust the parameter: Include = and point to directory where it will contain your .conf files with the UserParameters.

2. INITIAL REQUIREMENTS

  • Open Powershell as Administrator and run the command and confirm:
Set-ExecutionPolicy Unrestricted
  • If you have already done the above procedure on the Host, disregard and skip to the next request.
  • Put rdp.terminal.server.ps1 in the directory of your choice.
  • Put rdp.terminal.server.conf in the directory of your choice.
  • Install the rdp.terminal.server.msi Module
  • After installation, copy the folder C:\Users\YourUser\Documents\WindowsPowerShell\modules\PSTerminalServices\
  • Paste the PSTerminalServices folder into C:\Windows\System32\WindowsPowerShell\v1.0\Modules\
  • Restart Zabbix Agent on the Host.

3. TESTS

Open powershell and navigate to the script folder and test with the commands available below:

  • .\rdp.terminal.server.ps1 AСTIVE
  • .\rdp.terminal.server.ps1 ACTIVENUM
  • .\rdp.terminal.server.ps1 IP
  • .\rdp.terminal.server.ps1 DEVICE
  • .\rdp.terminal.server.ps1 INACTIVE
  • .\rdp.terminal.server.ps1 INACTIVENUM

NOTE: If any errors appear while executing the commands, review all previous steps.

4. HOST MACROS

The template uses separate macros, and must be registered in the monitored Host. {$RDPPORT} = Port that the RDP server is listening on, default 3389. {$RDPA} = Used for triggering, eg 5 if you want an alarm if there are more than 5 active users connected. {$RDPI} = Used for triggering, eg 5 if you want an alarm if there are more than 5 idle users connected.

5. TEMPLATE

Import the Template - Template__Windows_RDP_Terminal_Server.xml into your Zabbix Frontend.

  • Register the above Macros on the Host.
  • Associate the Template with the monitored Host and wait for the collection.
  • Adjust the collection intervals, History retention period and Trend of items according to your environment.

NOTE: If data is not collected, use and abuse zabbix_get to validate data collection.

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