If a computer or share does not appear in the Local Backup > Clientless Backup page, then file sharing is not set up on the computer.
Enabling File Sharing in Windows XP
Enabling File Sharing in Windows Vista
Enabling File Sharing in Windows 7
Making Mac OS Computers Accessible to Clientless Backup
Using Clientless Backup
Removing Clientless Backup
Configuring Clientless Backup
Manually Starting/Stopping Clientless Backup
Disabling/Enabling Clientless Backup