Windows has a folder length limit of 252 characters, but that comes with caveats....
Recovering Designs after AutoCAD/CSD Crash when using Packed Data
Wishing to download Civil Site Design (CSD) or Stringer for AutoCAD or Autodesk Civil 3D
There is an error in XML document (1, 2).
Exception getting WMI details directly: System.Management.ManagementException: Invalid class at System.Management.ManagementException.ThrowWithExtendedInfo(ManagementStatus errorCode)