With the release of the 2013 products we see Land Desktop finally becoming an upsupported product. I know many of you have already made the jump to Civil 3D in years past, but if you are still moving your older data forward you may come across this issue again.
When using the command CONVERTLDTPOINTS you may notice the option to "preserve the original point layers". What you may not see is the fact that you need to set the "Disable Description Keys" setting in the command settings to TRUE. By default this is set to FALSE. You can find this command setting in SETTINGS tab>POINT>COMMANDS>CreatePoints, right click on CreatePoints and select EDIT COMMAND SETTINGS: