JSI Tip 5589. How do I backup to a CD-R, CD-RW, or DVD-R drive in Windows 2000?

NOTE: If you have packet writing software, you can map a drive letter to a share on the CD-R, CD-RW, or DVD-R drive and then use Ntbackup.exe to backup to your CD-R, CD-RW, or DVD-R drive.

Microsoft Knowledge Base Article 320471 contains the following Description:

When you select the backup device in the Backup tool (Ntbackup.exe), you cannot select a compact disc-recordable (CD-R), compact disc-rewritable (CD-RW), or digital video disc-recordable (DVD-R) device. Ntbackup.exe does not support backing up to...