unlink permissions on windows

[fcaserio]

Is there any PHP.INI config or windows permission (win 2003) that can prevent PHP to unlink files with the system path?

unlink works with relative path:
@unlink("temp\0000058.txt")
but it is not workinng with the absolute path
@unlink("C:\htdocs\temp\0000058.txt")

the thing is I use unlink within a function called from different directories, so I use absolute path to make sure the path is correct. I've installed my application on several servers, and it's the first time I see this behaviour

tks

[rohypnol]

Just the open_basedir in php.ini afaik