AutoCAD Mechanical Limitation
This issue is specific for AutoCAD Mechanical users.
A drawing file is opened in AutoCAD Mechanical and saved to ENOVIA using 3DEXPERIENCE Save option. When the user clicks File > Save or "Ctrl+S" after saving to ENOVIA, the file is considered as modified by AutoCAD even if no actual modifications are done in the drawing file.
When you try save the drawing again to ENOVIA, the Status column in ENOVIA Save dialog box displays the status for the drawing as Modified.
The Autodesk Support Request Number for this issue is 1261244.
Incorrect Modification Status
This issue is specific to incorrect modification status of AutoCAD Drawing files due to miscellaneous modifications.
Any operations like zoom, pan, layout switching and so on, marks the drawing file modified in AutoCAD. When you try to save the files after such operations, the 3DEXPERIENCE Save dialog box displays the status of these drawings as modified. There is no feasible way to identify geometry modifications and other miscellaneous modifications.
The Autodesk Support Request Number for this issue is 1259136.