I had to look up the default permissions for Exchange Virtual Directories and decided that I should capture them in my techblog for posterity. I got them from here: http://busbar.blogspot.co.uk/2010/05/exchange-20102007-virtual-directory_16.html
Nowadays I’m only interested in Exchange 2010, but these are valid for Exchange 2007 as well. It’s handy to have these as a reference for when you are fixing someone else’s mess, which seems to becoming a full-time job for me these days. Just call me 'the fixer'…