Block ServiceNow Arc on user devices

task australia Updated Oct 28, 2026 1 min read disc-block-arc-instances.md

Stop ServiceNow Arc from starting on specific machines when you need to contain its use, without affecting other installations.

Before you begin

Role required: sn_ai_governance.ai_steward

Procedure

Navigate to All > AI Control Tower > Home > Inventory > Assets.
Open the ServiceNow Arc agent record.
Select the Fleet tab.
Select the check box for each instance that you want to block.

You can block only instances with an Install Status of Installed. Any instance already in maintenance that you select is left out of the block.
Select Block.
In the confirmation dialog box, review the people listed under Fleet.
Select Block to confirm.

Result

The Install Status of each blocked instance changes to In Maintenance. Arc can't start on those devices, and the people using them can't launch it until you unblock the instances.

Keywords ServiceNow OttoAI Agentsgenerative AIagentic AIuseArcblock

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---
title: Block ServiceNow Arc on user devices
description: Stop ServiceNow Arc from starting on specific machines when you need to contain its use, without affecting other installations.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/intelligent-experiences/disc-block-arc-instances.html
release: australia
topic_type: task
last_updated: "2026-10-28"
reading_time_minutes: 1
keywords: [ServiceNow Otto, AI Agents, generative AI, agentic AI, use, Arc, block]
breadcrumb: [Working with ServiceNow Arc agent records, Discover and manage AI assets, AI Control Tower, Establishing AI governance, Enable AI Experiences]
---

# Block ServiceNow Arc on user devices

Stop ServiceNow Arc from starting on specific machines when you need to contain its use, without affecting other installations.

## Before you begin

Role required: sn\_ai\_governance.ai\_steward

## Procedure

1. Navigate to **All** &gt; **AI Control Tower** &gt; **Home** &gt; **Inventory** &gt; **Assets**.

2. Open the ServiceNow Arc agent record.

3. Select the **Fleet** tab.

4. Select the check box for each instance that you want to block.

You can block only instances with an **Install Status** of **Installed**. Any instance already in maintenance that you select is left out of the block.

5. Select **Block**.

6. In the confirmation dialog box, review the people listed under **Fleet**.

7. Select **Block** to confirm.

## Result

The Install Status of each blocked instance changes to **In Maintenance**. Arc can't start on those devices, and the people using them can't launch it until you unblock the instances.