To Add Map 3D App ID to Portal for ArcGIS Enterprise

You can access your data in the portal for ArcGIS Enterprise from Map 3D by registering Map 3D in the ArcGIS Enterprise portal.

1. Log in to the portal for ArcGIS Enterprise using your administrator credentials.
2. On the file menu, click Content, and then click My Content tab.
   
3. Click Add Item An application.
   
4. In the Add an application dialog, select Application and enter the appropriate title and tags, and then click Add Item.
   
5. On the application overview page, click on the Settings tab.
6. Click on Registered Info (at the bottom of the page).
7. Copy the App ID, which you will use in subsequent step to the clipboard or any text editor.
   
8. Log in to the portal admin page. For example, https://your_portal_server_name/portal/portaladmin/
9. Select Security OAuth Change AppID.
10. Paste the AppID you copied in step 7 in the Current App ID field.
11. Enter Autodesk_Map3D in the new App ID field.
12. Select HTML in the Format dropdown.
13. Click Change App ID.

You can now launch AutoCAD and connect to the ArcGIS Connector portal.