--- title: Enable automatic change conflict detection description: Automate conflict detection to run at specific intervals or when a change request is updated to immediately review the conflicts when the schedule dates are updated. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/it-service-management/change-management/t\_RunAutomatedConflictDetection.html release: australia product: Change Management classification: change-management topic_type: task last_updated: "2026-03-12" reading_time_minutes: 2 breadcrumb: [Conflict detection, Configure, Change Management, IT Service Management] --- # Enable automatic change conflict detection Automate conflict detection to run at specific intervals or when a change request is updated to immediately review the conflicts when the schedule dates are updated. ## Before you begin Prior to running conflict detection, consider the following scenarios: - **CMDB list size and relationship complexities** If you have a large organization with a large CMDB, conflict detection can take longer to complete. - **Inactive changes are not evaluated** Conflict detection does not evaluate inactive changes when determining conflicting changes. - **Advanced mode conflict checking is disabled by default** When you upgrade the application, advanced mode conflict checking is disabled by default and affected CIs are not considered during conflict detection. To evaluate all CIs, set the mode to **Advanced**. Role required: change\_manager or admin ## Procedure 1. Navigate to **All** > **Change** > **Administration** > **Conflict Properties**. 2. Select one of the following options.
| **Run conflict detection automatically after changes to Configuration item, Planned start date, Planned end date, or State when a change request is updated** | When selected, runs conflict detection automatically when a change to one or more of the following fields on the change request record is saved.- **Configuration item** - **Planned start date** - **Planned end date** - **State** |
| **Enable the scheduled change conflict checker** | When selected, runs the following conflict detection scheduled jobs at these intervals: **Change Conflict Detection < 1 Week Away** is scheduled every day. **Change Conflict Detection < 1 Month Away** is scheduled every two days. **Change Conflict Detection >=1 Month Away** is scheduled every seven days. |