--- title: Revoke Agent Client Collector certificates description: Stop communication between the agent and ITOM cloud services by removing an Agent Client Collector certificate. For example, there might be a security breach due to which you want to stop communication by revoking the agent's certificate. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/it-operations-management/agent-client-collector/revoke-agent-certificate.html release: australia product: Agent Client Collector classification: agent-client-collector topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [ACC certificates, ACC deployment - shared between servers and endpoints, Configuring Agent Client Collector, Agent Client Collector, IT Operations Management] --- # Revoke Agent Client Collector certificates Stop communication between the agent and ITOM cloud services by removing an Agent Client Collector certificate. For example, there might be a security breach due to which you want to stop communication by revoking the agent's certificate. ## Before you begin Role required: agent\_client\_collector\_admin ## Procedure 1. Navigate to **All** > **Agent Client Collector** > **Agents**. 2. Select the agent for which you want to revoke the certificate. 3. Select the **Revoke Agent Certificate** button. 4. Select the reason for certificate revocation. For a list and explanation of the available revocation reasons, see [Agent Client Collector certificate revocation reasons](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/agent-client-collector/certificate-revocation-reasons.md). 5. Select **OK**. The agent's certificate is revoked and the ITOM cloud services layer has its certificate revocation list \(CRL\) updated. ## Result Communication between the agent and ITOM cloud services is stopped. **Parent Topic:**[Agent Client Collector certificates](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/agent-client-collector/acc-certificates.md) **Related topics** [Add a self-signed certificate to the OS truststore](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/agent-client-collector/add-certificate-trust-store.md)