Send invite for shared session hardcoded to Outlook, ignore default mail settingdoesn't work with Vista Windows Mail set as default, launch Outlook 2007 anyway)?
Invitation to WebDAV shared notebook sent in Outlook as http://sharepoint.xyz/sites/sitename/Shared%20Documents/office2 007testing/, the %20 got changed to space, so the link doesn't work http://sharepoint.xyz/sites/sitename/Shared Documents/office2 007testing/, it got treated as http://sharepoint.xyz/sites/sitename/Shared