Upgrade the Agent Client Collector manually on a Windows system

task australia Updated Mar 12, 2026 1 min read acc-install-upgrade-windows.md

Perform a manual upgrade of your existing Agent Client Collector version on a system running a Windows OS.

Before you begin

Backup the Agent Client Collector configuration files, such as acc.yml, check-allow-list.json and agent_now_id. The agent_now_id is located in the cache directory: C:\ProgramData\Servicenow\agent-client-collector\cache

Backing up configuration files is a safety precaution to safeguard the files during the upgrade. Configuration files need to be restored only if there are upgrade issues which require new installation.

(Optional): Enable golden image mode for cloning additional agents by setting the msi property GOLDEN_IMAGE=true.

Role required: agent_client_collector_admin

Procedure

Upgrade to the new agent version, as described in Upgrade an agent in an instance.

You can use either the manual or single-line procedure. When restoring backup files, the system replaces the configuration file values.
After installation is complete, you can delete the backup files.

Parent Topic:Install the Agent Client Collector on a Windows machine manually

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---
title: Upgrade the Agent Client Collector manually on a Windows system
description: Perform a manual upgrade of your existing Agent Client Collector version on a system running a Windows OS.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/it-operations-management/agent-client-collector/acc-install-upgrade-windows.html
release: australia
product: Agent Client Collector
classification: agent-client-collector
topic_type: task
last_updated: "2026-03-12"
reading_time_minutes: 1
breadcrumb: [Install ACC on a Windows machine manually, ACC installation on a Windows machine, ACC deployment - servers, Configuring Agent Client Collector, Agent Client Collector, IT Operations Management]
---

# Upgrade the Agent Client Collector manually on a Windows system

Perform a manual upgrade of your existing Agent Client Collector version on a system running a Windows OS.

## Before you begin

Backup the Agent Client Collector configuration files, such as `acc.yml`, `check-allow-list.json` and `agent_now_id`. The `agent_now_id` is located in the cache directory: `C:\ProgramData\Servicenow\agent-client-collector\cache`

\(Optional\): Enable golden image mode for cloning additional agents by setting the msi property **GOLDEN\_IMAGE=true**.

Role required: agent\_client\_collector\_admin

## Procedure

1. Upgrade to the new agent version, as described in [Upgrade an agent in an instance](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/agent-client-collector/upgrade-agent-from-instance.md).

You can use either the manual or single-line procedure. When restoring backup files, the system replaces the configuration file values.

2. After installation is complete, you can delete the backup files.

**Parent Topic:**[Install the Agent Client Collector on a Windows machine manually](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/agent-client-collector/acc-install-windows.md)