According to Microsoft, the issue is not related to OGA or WGA, but strictly to offline activation, which is now available again. Microsoft sent Ars the following statement in an e-mail:

"On July 18th at approximately 10:15a until 1:25p Pacific, customers who were trying to activate their copies Windows XP or Office offline (which is to say over the phone or by calling in to customer support) were unable to do so due to an outage of the system that processes the product activation keys"


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