--- title: Configure settings for estimated time to resolve values description: After upgrading, configure some settings to view the Time to Resolve Numeric Value column in the case report for older cases and determine the information that is displayed. locale: en-US canonical_url: https://www.servicenow.com/docs/r/customer-service-management/ettr-upgrade.html release: brazil topic_type: task last_updated: "2026-09-10" reading_time_minutes: 1 breadcrumb: [Estimated time to resolve a case, Machine learning solutions, Implement Intelligence, Configure, Customer Service Management] --- # Configure settings for estimated time to resolve values After upgrading, configure some settings to view the **Time to Resolve Numeric Value** column in the case report for older cases and determine the information that is displayed. ## Before you begin You must have a trained default estimated time to resolve a case regression solution. For more information, see [Configure the default estimated resolution time](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/customer-service-management/ettr_configure.md). Role required: admin ## Procedure 1. Navigate to **All** > **System Definition** > **Fix Script**. 2. Select the **Populate Numeric TTR values** fix script. 3. Modify the default parameter values. - **LookBackPeriodInMonths**: The number of past months of cases to examine. The default value is 15 months. - **report.setLimit**: The maximum number of records to examine. The default value is 150,000. 4. Click **Run Fix Script** to populate the estimated time values taken to resolve older cases. 5. Either run the script on screen or run it in the background. - To display the script running on the screen, click **Proceed**. - To run the script in the background, click **Proceed in Background**.