Event ID 10121 — Listener Availability

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: 10121
Source: Microsoft-Windows-WinRM
Version: 6.1
Message: The WinRM service has been configured to accept basic authentication for unsecure HTTP connections.

This is not a secure configuration.

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


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.


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