Troubleshooting: Linked CAD Files

When linking CAD files to a Revit project, you may encounter common problems.

Topics in this section

Graphics Issues after Linking or Importing CAD
If you experience issues with model graphics after linking or importing a CAD file, read this topic to troubleshoot the problem.
Geometry in the File Has Extents Greater Than 20 Miles (33km)
This message displays when you try to import or link a file that contains geometry outside the maximum distance limit.
Changes in the DWG File Are Not Reflected in the Project
After linking a DWG file to a Revit project, you made changes to the DWG file in AutoCAD. However, the Revit project does not display these changes.
Changes to the Layer Color and Line Style Do Not Display
You made changes to the graphic display of layers in the linked file. After the linked file was reloaded into the Revit project, these changes disappeared.
Layers in the DWG File Do Not Display in the Project
When you link a file to the Revit project. some layers in the linked file do not display.
File Operations (Open, Save, Synchronize) Are Blocked or Slow
In some cases, Revit cannot open, save, or synchronize with files.

Parent topic: Troubleshooting: Model the Design