Apple has posted a support article, “iTunes: Unable to import copy-protected audio discs.”
Symptom: iTunes is unable to import (“rip”) tracks from certain audio discs that have a copy protection system.
Products affected: iTunes, iPod
1. Make sure you can import tracks from other audio CDs with your optical drive. If you can import tracks from other CDs, make sure the disc is clean and free from debris and scratches.
2. If the disc contains additional multimedia, the disc may have been created in a way that does not allow the audio portion to be imported into iTunes. You should contact the manufacturer of the disc for additional assistance with these types of discs.
3. Certain audio discs may contain copyright protection mechanism that prevent users who do not have appropriate rights from reproducing the contents of the discs on other media. You should contact the manufacturer of the audio disc for information on the type of disc provided.
New copy-protected CDs are Apple iPod incompatible – August 04, 2005
Sony BMG and EMI try to force Apple to ‘open’ iPod with iPod-incompatible CDs – June 20, 2005
New Sony BMG copy-protected CDs lock out Apple iPod owners – June 01, 2005