cmd.exe and powershell.exe cannot follow <JUNCTIONS> on NTFS for *.exe

Aurélien Couderc aurelien.couderc2002@gmail.com
Tue Jun 17 15:25:57 GMT 2025


Cygwin creates <JUNCTIONS> instead of <SYMLINK> on NTFS, but cmd.exe
cannot find the *.exe if they are linked as <JUNCTIONS>.

Two test cases:
$ bash -c $'rm -f id_vers15.exe ; cp /usr/bin/id.exe id_vers15.exe ;
ln -sf id_vers15.exe myid.exe ; cmd /C \'.\\\\\myid.exe\''
$ bash -c $'rm -f id_vers15.exe ; cp /usr/bin/id.exe id_vers15.exe ;
ln -sf id_vers15.exe myid.exe ; powershell -Command
\'.\\\\\myid.exe\''

In both test cases the copied and linked myid.exe cannot be executed.

Is there a way to fix this?

Aurélien
-- 
Aurélien Couderc <aurelien.couderc2002@gmail.com>
Big Data/Data mining expert, chess enthusiast


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