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How to use the Wake on LAN feature in Patch Manager

Table of contents

Updated May 4th, 2016

Overview

This article describes how to use the Wake on LAN feature in the Patch Manager console. Before you attempt to use this feature, ensure your target systems meet the requirements listed in the following section.

Wake on LAN (WOL) allows you to remotely power on WOL-enabled computers using a UDP broadcast on the local subnet. Patch Manager provides WOL functionality to use in conjunction with other scheduled tasks to patch computers that are not powered on. By scheduling the WOL, Update Management, and Shutdown or Reboot Computers tasks, you can power on remote computers, apply the updates you specify, and then shut down the computer when the update is finished.

Environment

Ensure your target systems meet the following requirements to use the WOL feature.

  • The target systems must have a network card that supports WOL.
  • The target systems must have WOL enabled. This is typically enabled in the BIOS.
  • Patch Manager must be able to reach the target systems with a UDP broadcast. By default, many network devices do not forward UDP broadcasts, so a best practice is to perform the WOL function from the local subnet of the target system. You can achieve this by deploying secondary Patch Manager servers with the Automation role to any subnets that contain WOL targets.
  • Patch Manager must know the MAC address of the target systems. To get systems' MAC addresses in Patch Manager, execute the Discovery task for each subnet that contains WOL targets.

Steps

After you have confirmed your systems meet the requirements listed in the previous section, execute or schedule the Wake on Lan task in the Patch Manager console.

To complete the Wake on Lan task:

  1. In the left pane of the Patch Manager console, select Administration and Reporting.
  2. In the center pane, click Wake on Lan. You will specify target systems in a later step.
  3. In the Wake on Lan Options window, enter the broadcast address for the subnet that contains the target systems. For example, if the system's IP address is 192.168.1.X, enter 192.168.1.255. If you want to send the broadcast to all subnets, enter 255.255.255.255.
  4. If you have configured a non-standard port for WOL, enter the port number in the UDP Port field.
  5. If you have configured a Secure On password for the target systems, enter the password in the Secure On Password field.
  6. Click Wake Up.
  7. In the Task Options Wizard window, specify the target system(s).
  8. If you want to schedule the task or specify export or notification options, click Next and then complete the Scheduling and Notification Options page.
  9. Click Finish.
  10. On the Summary page, click Finish to schedule or execute the task according to your specifications.

 

Last modified
09:43, 25 Jan 2017

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