In a continuing effort to provide high quality products, Autodesk has released AutoCAD Civil 3D 2012 Service Pack 2.1, which fixes or addresses a variety of issues discovered by customers and by Autodesk's internal testing team.
This Service Pack includes all previous hotfixes and service packs for AutoCAD Civil 3D 2012. It also includes the fixes included in AutoCAD 2012 Service Pack 2 and AutoCAD Map 3D 2012 Service Pack 2.
Note: This update applies to all language versions and to versions of AutoCAD Civil 3D 2012 with previous hotfixes applied.
Before applying this update, make sure that any customizations made to the user profile (such as, customizations made to the support file search paths, print file customizations, printer support file paths, redirections, custom template settings, and so on) are exported to a secure location, then imported and reapplied after the update has been successfully installed.
You cannot run an automatic uninstall to remove this update. To restore your version of AutoCAD Civil 3D 2012 to its pre-update state, uninstall AutoCAD Civil 3D 2012 and reinstall it.