Autodesk Community, Autodesk Forums, Autodesk Forum · 9 years ago

¿Deseas que prepare pasos concretos para tu sistema (Windows versión, si tu CivilCAD es 32‑ o 64‑bit, y si tienes instalador/serial)?

Assess whether CivilCAD 2008, a civil engineering add-on for AutoCAD, can operate with AutoCAD 2010 in a 64-bit environment.

specifically for the 64-bit editions of AutoCAD 2010 and 2011. It is recommended over trying to force the 2008 version to work, as it ensures stability in the 64-bit environment. Legacy Issues : Standard AutoCAD Civil 2010 software was often supported only in 32-bit compatibility mode

If you cannot afford stability risks, consider these official alternatives:

AutoCAD 2010 was a turning point. It was the first widely adopted 64-bit version of AutoCAD, allowing users to address more than 4GB of RAM. However, CivilCAD 2008 was hardcoded with 32-bit ARX modules. If you tried to load CIVILCAD.ARX directly into AutoCAD 2010 64-bit, you would receive the infamous error: