I have SVN 1.6 in server side and TotoriseSVN 1.6 on client side, and want to upgrade to 1.7 for both of them. I think i should start from server side, does anyone know the
You have to upgrade the existing working copies using the svn 1.7 client binaries.
run the following command for each existing repo.
svn upgrade
read here more about this http://svnbook.red-bean.com/en/1.7/svn.ref.svn.c.upgrade.html