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Known Issues in Autodesk Civil 3D 2023

This document lists known issues in Autodesk Civil 3D 2023.

Civil 3D as AutoCAD
Shortcuts to launch Civil 3D as AutoCAD are no longer provided. Going forward, you can install the Civil Object Enabler with AutoCAD, or you can run Civil 3D and select the Drafting and Annotation workspace to access AutoCAD functionality.
Corridors
The lower part of the Target Mapping dialog box is not displayed when using display resolutions below 1024x768, like 640x480 and 800x600. When you switch back to a resolution of 1024x786 pixels or higher, the full Target Mapping dialog box is displayed after clicking the resize icon at the bottom right corner of the dialog box.
Subassembly Composer
Subassembly PKT files created in Subassembly Composer 2023 that contain auxiliary curve geometry cannot be opened in Subassembly Composer 2022 or prior versions due to the new auxiliary curve geometry type. To correctly show the auxiliary curve, the PKT files must be used in Civil 3D 2023.
Tutorial Drawings
Some of the surfaces in the Civil 3D tutorial drawings, located in C:\Program Files\Autodesk\AutoCAD 2023\C3D\Help\Civil Tutorials\Drawings, were not updated to reference source data in the Civil 3D 2023 installation folder. This will cause the Event Viewer to display errors when the drawings are opened and out of date badges will be displayed on the surfaces in the Prospector tree.

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