"36 hours later still no redemption code for mountain lion, a phone call to apple informed me the process can take up to 72 hours?? Huh?" tweeted around 5 p.m. PT Thursday.
"A day and a half later and still no Mountain Lion redemption code. This is what a Retina MBP earns me? Frustrated!" said , referring to the MacBook Pro equipped with a higher-resolution display.
Blackwood and Derrick were joined by scores of others also on Twitter who complained about Apple's inability to get them the redemption codes they needed to download Mountain Lion.
Last month, that if they purchased a new Mac on or after June 11, they were eligible for a free upgrade to Mountain Lion. The program, called "Up-To-Date," started taking requests from those Mac owners Wednesday when the company shipped Mountain Lion to the Mac App Store.
The terms of the deal, as spelled out in the fine print on the , promised a code would "be emailed within 24 hours of order qualification." The phrasing, however, distinguished between that "order qualification" and the customers' submission of a request.
Some people were positively hot.
"If I don't get my redemption code for Mountain Lion soon, I'm gunna go to an Apple store and slap the first employee I see with an iPad!" threatened , one would hope with tongue in cheek.
Others took a conspiracy theory approach. "I reckon Apple is holding back my Mountain Lion redemption code for the lulz, to send it exactly 1 minute after I give up and pay for it," early Thursday.
It's difficult to tell how many customers are awaiting codes, but a dedicated to the topic has been viewed more than 2,600 times and currently has over 100 messages.
Several Apple blogs noted the exasperated users, too, including , which hosted an unscientific poll asking readers how long it took to receive a redemption code. The overwhelming response, chosen by over 84% of the respondents, was "24 hours plus."
Customer fury over free upgrades regularly gets stoked. In late 2009, Dell and Hewlett-Packard PC owners went to those vendors' support sites to .
Microsoft launched Windows 7 more than two weeks before users flooded the Dell and HP forums with complaints.
That grumbling was reminiscent of an by Windows PC makers in 2007 over free or discounted upgrades for Vista.
The sluggish fulfillment by OEMs (original equipment manufacturers) of the last two Windows upgrades may have been one reason why Microsoft took control of the process this time.
At the end of May, for customers who purchase a Windows 7-powered system before Windows 8 ships on Oct. 26. Users must pay $14.99 for that upgrade, but Microsoft said it was handling everything itself.
Apple customers, meanwhile, continued to flame Apple on Twitter, or in some cases, surrendered.
"24 hours later and still no redemption code for Mountain Lion from Apple. No communication, nothing, zilch. Great user experience, Apple!" said on the micro-blogging service.
"Finally caved and purchased #MountainLion. Will chase for refund when I finally get redemption codes. Fairly disappointed," concluded .
Apple did not reply to a request for comment on the Up-To-Date code complaints.
Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld. Follow Gregg on Twitter at , on or subscribe to . His email address is .
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