Well, I'd buy that arguement if the code had any arguements. I've narrowed it down by running this: 
#!c:\Perl\bin\Perl
                                    
print "\n Line from print_1.pl \n";
exec "print_2.pl";    
print "\n ERROR from print_1.pl: $! \n";

__END__

[download]
And I get this result: 
j:> print_1.pl    
j:> Line from print_1.pl
j:> ERROR from print_1.pl: Invalid arguement

[download]
I probably didn't explain well enough that ther same code works just fine on another Windows server. Obviously a setting somewhere that different. But that's where I'm stumped.

In reply to Re^4: EXEC fails, sometimes by simpsope
in thread EXEC fails, sometimes by simpsope

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