Marie left the following comment on this Blog topic and thought it was important enough to share with all. Potential for reduced write performance for Riverbed WAN links when working with AutoCAD 2007 DWG files Published date: 2008-Mar-12 ID: TS1082827 Applies to: AutoCAD® 2008 AutoCAD® 2007 AutoCAD® Architecture 2008 Autodesk® Architectural Desktop 2007 AutoCAD® Civil 3D® 2008 Autodesk® Civil 3D® 2007 Issue In March 2006, Autodesk changed the DWG file format for AutoCAD 2007 to make it more compact and improve performance for AutoCAD users. Autodesk’s customers widely welcomed this change and almost all AutoCAD users have enjoyed improved performance. Solution However, Autodesk and Riverbed have recently received reports that some customers using some WAN acceleration appliances, including Riverbed’s Steelhead appliances, have experienced noticeable reductions in write performance when working with files saved in the AutoCAD 2007 “DWG” format. One of the side effects of the DWG format...