Repeat high-volume upgrade for failed agents

task australia Updated Sep 10, 2026 1 min read repeat-upgrade.md

If high-volume upgrade fails for specific agents, you must clear the problematic agents' history to re-enable upgrade. If the target upgrade version changes, you don't need to clear the agents' history, as the agents upgrade with the next scheduled high-volume upgrade.

Before you begin

Roles required: agent_client_collector_admin

In a Windows environment: Local SYSTEM account
In a Linux environment: sudo rpm/dpkg/systemd-run
In a macOS environment: sudo pkg

Procedure

Navigate to the Agent Client Collectors page All > Agent Client Collector > Agents.
Select an entry for which the Version number is not the highest available version.
Locate the Agent Upgrade Histories tab.

[Omitted image "agent-upgrade-histories-tab.png"] Alt text: Agent Upgrade Histories tab
Underneath the check box [Omitted image "check-box-icon.png"] Alt text: Check box, hover next to a failed upgrade entry and select the check box that appears.
Select the arrow next to the Actions on selected rows... drop-down and select Delete.

Result

The specified agents will be upgraded with the next scheduled high volume upgrade.

Parent Topic:Agent Client Collector upgrade overview

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---
title: Repeat high-volume upgrade for failed agents
description: If high-volume upgrade fails for specific agents, you must clear the problematic agents' history to re-enable upgrade. If the target upgrade version changes, you don't need to clear the agents' history, as the agents upgrade with the next scheduled high-volume upgrade.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/it-operations-management/agent-client-collector/repeat-upgrade.html
release: australia
product: Agent Client Collector
classification: agent-client-collector
topic_type: task
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Agent Client Collector upgrade overview, ACC deployment - servers, Configuring Agent Client Collector, Agent Client Collector, IT Operations Management]
---

# Repeat high-volume upgrade for failed agents

## Before you begin

Roles required: agent\_client\_collector\_admin

- In a Windows environment: Local SYSTEM account
- In a Linux environment: sudo rpm/dpkg/systemd-run
- In a macOS environment: sudo pkg

## Procedure

1. Navigate to the Agent Client Collectors page **All** &gt; **Agent Client Collector** &gt; **Agents**.

2. Select an entry for which the **Version** number is not the highest available version.

3. Locate the **Agent Upgrade Histories** tab.

\[Omitted image "agent-upgrade-histories-tab.png"\] Alt text: Agent Upgrade Histories tab

4. Underneath the check box \[Omitted image "check-box-icon.png"\] Alt text: Check box, hover next to a failed upgrade entry and select the check box that appears.

5. Select the arrow next to the **Actions on selected rows...** drop-down and select **Delete**.

## Result

The specified agents will be upgraded with the next scheduled high volume upgrade.

**Parent Topic:**[Agent Client Collector upgrade overview](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/agent-client-collector/acc-agent-upgrade-overview.md)