--- title: Update instance URL in the Desktop Assistant configuration file description: As an administrator, update the instance URL in the Desktop Assistant configuration file to automatically populate the Desktop Assistant login page instance URL on devices where it is installed. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/it-operations-management/digital-end-user-experience-dex/update-da-instance-url.html release: australia product: Digital End-User Experience \(DEX\) classification: digital-end-user-experience-dex topic_type: task last_updated: "2026-09-10" reading_time_minutes: 1 breadcrumb: [Download and install, Setting up Desktop Assistant, Configure, Digital End-User Experience, IT Operations Management] --- # Update instance URL in the Desktop Assistant configuration file As an administrator, update the instance URL in the Desktop Assistant configuration file to automatically populate the Desktop Assistant login page instance URL on devices where it is installed. ## Before you begin Role required: admin **Note:** Only an administrator must update the configuration file or make changes to it while deploying Desktop Assistant on devices. Desktop Assistant users can update the instance URL when logging in to the application. For more information, see [Open and log in to Desktop Assistant](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/digital-end-user-experience-dex/open-desktop-exp.md). ## Procedure 1. On your computer, navigate to the folder that contains the `settings.json` file. - On Windows devices: Navigate to the `C:\Users\user_name\AppData\Roaming\desktop_assistant_app` folder. - On macOS devices: Navigate to the `Users/user_name/Library/Application Support/desktop_assistant_app` folder. **Note:** If you don’t see a folder, press Command+Shift+period \(.\) to show hidden folders. 2. Find and open the `settings.json` file. 3. Enter the Desktop Assistant instance URL in the **instanceURL** field of the JSON file. You can also customize the Desktop Assistant login page by changing the **loginHeader**, **loginBody**, and **companyLogoSvg** values in the configuration file. 4. Save and close the JSON file.