In Revit 2024 Autodesk introduced a new link process when linking IFCs, read more.
- To enable the workflow to work in, go to the Revit.ini file and add this row to the file. Add it anywhere in the text file.
C:\Users\USERNAMEONCOMPUTER\AppData\Roaming\Autodesk\Revit\Autodesk Revit 2024
[ImportIFC] LinkProcessor=Legacy
2. Delete the Revit file created the first time linking the IFC, unload the IFC from the project and relink the IFC.