Problem: Working in multiple viewports with multiple layers that need to be on/off, turn said layers on/off and save. Exit out of the drawing file and open in a new session. Layers in multiple viewports go back to original uneditted state. This is in Civil 3d (2011). Not sure if this is fixed in 2012 or 2013.
(No connection with Autodesk other than using the products in the world)
IDSP Premium 2014 (mainly Civil 3D 2014 but also 3ds Max Design)
Win 7 Pro x64, 256Gb SSD, 300Gb 15,000 rpm HDD
16Gb Ram Intel Xeon CPU E5-1607 0 @ 3.00GHz (4 CPUs), ~3.0GHz
NVIDIA Quadro 4000, Dual 27" Monitor, Dell T3600
If you are using the Layoff or Layfreeze command try entering the command, hit s and then hit enter to get to the settings. Now use the V option to get to the Viewport options. Set these to Vpfreeze if they are not already.
C3D 2012, RD 2012
Win 7 64, Core i7,
6 GB RAM, Quadro FX 1700