>Per Apple, the simple solution is to de-authorize all. My questions >are: If I do that, do all the iTunes downloads also get rendered >unplayable even after I reauthorize the machine to which they've been >downloaded? And if so, is there any alternative to a mass de- >authorization? > >Thanks, > >Mitchell Since authorization to play your DRM protected tracks are ultimately flows from your Apple iTunes account, choosing to deauthorize all computers is not a problem or risk (I've done it a bunch of times myself). Once all machines have been deauthorized, each machine that attempts to play a DRM track for the first time will seek authorization with Apple's servers. If your account is under the 5 machine limit, authorization is granted. Fast and nearly transparent. Mike -- Michael J. Prevost Dot4, Inc. Voice: 978-392-8860 x10 Fax: 978-392-8861 mprevost at dot4.com http://www.dot4.com