Howdy Karsten! Thanks for reporting this. I believe this problem with the math library and HDF5 is now solved in the latest snapshot release, and will work in the next full release. If you want to check: ftp://ftp.unidata.ucar.edu/pub/netcdf/snapshot/netcdf-4-daily.tar.gz Thanks! Ed Ticket Details =================== Ticket ID: LEF-356666 Department: Support netCDF Priority: Normal Status: Closed