Comment 103 for bug 207072

This bug is more severe than the title implies. This affects not only Active Directory networks but also any standalone Windows XP (possibly all Windows versions) machines that share files with authentication turned on. By default, Windows XP shares are configured in "simple file sharing" mode which has no authentication. If you need write access to your shares and leave the default "simple file sharing" mode enabled (which it seems most everyone does), then any computer on your network can access and delete all the files in your share. It may be thought of as a bit overkill to require authentication on a small LAN that is in your control, but consider all the laptops that are set up with unprotected shares and then are taken to a public network such as at a coffee shop.