export MVSC_KEY_PATH=/path/to/your/mvsc.key Add this line to your .bashrc , .profile , or startup script to make it persistent. Ensure the user running the compiler has read access to the key:
If you work with mainframe modernization tools, cross-compilers, or legacy migration utilities, you may have encountered the cryptic error message: mvsc.key not found . This error typically halts build processes, prevents data conversion, or stops a compiler from executing. mvsc.key not found
Alternatively, use system utilities to search for the file: export MVSC_KEY_PATH=/path/to/your/mvsc
chmod 644 /path/to/mvsc.key If the file is owned by root and your tool runs as a non-root user, change ownership or adjust permissions: or legacy migration utilities