Howto setup Apache 2.2.4 + WebDAV under Windows XP in 5 minutes

I like to use WebDAV for maven deployments : it's simple, go through most firewalls, can be secured... it's really a nice protocol. For testing purposes (and because WebDAV is currenlty broken in Proximity), I'm running Apache 2 + WebDAV under Ubuntu on my laptop and honestly, it was a piece of cake to get it working. But today, because one of my customer who is using a Win 2K server was facing really strange issues with his setup, I decided to install Apache 2 + WebDAV under Windows XP. My goal is to configure a DAV access to a remote directory with universal read-access but restricted writes. Here are the steps :