# \#mpipreferences

**URL:** https://discourse.julialang.org/tag/mpipreferences/1615.md

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## [HDF5 error: MPIExt cannot find libmpi\_usempif08.40.dylib](https://discourse.julialang.org/t/hdf5-error-mpiext-cannot-find-libmpi-usempif08-40-dylib/115900)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Replies:** 8\
**Last updated:** [November 9, 2024, 8:27pm UTC](https://discourse.julialang.org/t/hdf5-error-mpiext-cannot-find-libmpi-usempif08-40-dylib/115900 "2024-11-09T20:27:26Z")

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Missing /.julia/artifacts/69e85a392db842d919cf5759941f8f3e8a0e569e/lib/libhdf5\_fortran.so" libmpi\_usempif08.so.40: cannot open shared object file: No such file or directory ? Any idea what that is about?