I had a folder that was part of one project in svn, that has been moved to a different folder / repository to be shared between projects. i want to replace this directory in sv
In order for subversion to pick up the changes and detect the symlink, you need to first remove the original file, commit the deletion, and then update your repository. After that you should be able to add a symlink without any issues.
EDIT: This question seems to have been asked before and received some decent feedback. Check it out: Commit symlink into subversion