---
sourceDocument: Australia IT Operations Management
sourceDocumentLink: https://www.servicenow.com/docs/r/australia/it-operations-management

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    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia IT Operations Management

ft:clusterId :

    - itom

bundleId :

    - itom

workflow :

    - Technology


---

# Upgrade ACC manually on Windows

# Upgrade the Agent Client Collector manually on a Windows system {#ariaid-title1}

Release version: Australia  
Updated March 12, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
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

1. Upgrade to the new agent version, as described in [Upgrade an agent in an instance](https://www.servicenow.com/docs/0qP2qGwY2dUShIYbzAUywQ "Perform selective self-upgrade instead of bulk upgrade for enhanced efficiency when working with agents that are difficult to access, such as agents deployed in the cloud. You can perform selective upgrade on up to 50 agents at a time.").  
   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.
{#acc-install-upgrade-windows__steps_wdc_mng_ysb}