There is an option in the DC2DX translator configuration that will allow or prevent the XCMP and XSIG names coming through, these are:
Setting these to 0 will not keep the names.
From Chris Smith:
This is exactly what I needed. I don't believe I have seen this on any documentation for the DC to DX flow migration docs.
Fellow customers - This only works on VX not 7.9.5.
A workaround is to make sure your users have setup>settings>advanced "Unique Names on Copy" checked.
Failure to do this on a converted DC to DXD will give you packager errors if you copy a symbol on your schematic'