Event ID 10120 — Listener Availability

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Applies To: Windows Server 2008 R2

The Listener is a component of the WinRM service that indicates to the service which IP addresses and ports to listen on for WS-Management related requests. Users can create one or more listeners.

Event Details

Product: Windows Operating System
ID: 10120
Source: Microsoft-Windows-WinRM
Version: 6.1
Symbolic Name: LOG_WSMAN_SERVICE_UNSECURE_HTTP_CONNECTION_ESTABLISHED
Message: The WinRM service has received an unsecure HTTP connection from %1.

This is not a secure configuration.

User Action
Set AllowUnencrypted to False in WinRM configuration to ensure packets are encrypted on the wire.

Resolve

Create HTTPS listener

Configure an HTTPS listener in the WinRM service. A HTTPS listener uses a certificate and packets are encrypted. Type winrm quickconfig https to create a HTTPS listener.

Verify

Use the winrm command line tool to create a request to the WinRM service to verify that the service is listening on the network.

To make a request, type winrm get winrm/config -r:<computer>, where computer is the name of the remote computer where the winrm service is running.

Listener Availability

Management Infrastructure