BaseXmlHttpCallback Exception: System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 127.0.0.1:50121

Products

• Task Server

Issue/Introduction

Though the Altiris Agent is connecting to the Notification Server (Basic Inventory, Configuration Updates, Policies, etc) the following error appear in the Agent Logs.

"Description: BaseXmlHttpCallback Exception: System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 127.0.0.1:50121"

Note: The specific port (50121) listed may vary.  The most commonly appearing ports are 50121, 50122, 50123, and 50124.

Environment

ITMS 8.x

Cause

A possible cause of these issues is the Altiris Object Host Service failing to bind to any of the ports listed in:

Settings > All Settings > Site Server Settings > Task Service > Settings >> Task Service Settings

The Altiris Object Host Service is one of the two main services used by the Client Task Server.

Resolution

For specifics regarding issues with port bindings for Task Server, see KB 177080 Task Server's Object Host Service fails to bind on all ports