From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
I assume you use the winpcap shared library wrapper that is posted elsewhere. The solution is to get the source code for that shared library wrapper and recompile it as 64-bit DLL. If you use a different solution, please elaborate.