This is not a typo, the microsoft AdCenter Affiliate program is alive and well. All you need to do is signup to be a Microsoft partner and reactivate your account. more details about reactivating your adcenter affiliate program.
The adCenter Partner program has been ongoing since last year without interuption (see the link in my sig and my post here http://forums.digitalpoint.com/showthread.php?t=587084. They still have Live Onecare and the Toolbar program too.
yes but they emailed all publishers last February saying the adcenter affiliate program was canceled. The affiliate referral program is in fact alive and well but they did not inform past users of the TOS change.