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Home > Success Center > Patch Manager > Failure to retrieve MAC addresses for Wake On Lan tasks

Failure to retrieve MAC addresses for Wake On Lan tasks

Created by Leif Amland, last modified by MindTouch Content Copy on Nov 13, 2015

Views: 564 Votes: 1 Revisions: 6

Overview

The following error is received when you run a Wake On Lan task for a managed computer:

 

Failed to retrieve MAC address for target

Environment

All Patch Manager versions

Cause 

Failure to retrieve MAC addresses during Wake On Lan tasks is caused by the incomplete network discovery task for that subnet.

Resolution

  1. Expand Patch Manager System Configuration > Management Groups > Managed Enterprise.
  2. Click the Discover Subnets tab.
  3. In the Actions pane, click Add Subnet.
  4. Enter the IP Address of the workstation and choose the appropriate Subnet Mask.
    Note: The Starting Address and Ending Address will be populated automatically.
  5. Click Add Subnet and then click OK.
  6. Go to the Scheduled Tasks node and run the discovery.
    Note: The workstation must to be turned on during the discovery otherwise it will not work correctly.


The Wake on Lan and Shut Down tasks should now work after a completed discovery.

Last modified
14:53, 13 Nov 2015

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