Blizzard has never supported multi-boxing. They tolerated it.
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You're going to get people's accounts banned with awful 'advice" like this.
A VM isn't a magical unicorn box. It's an instance of an OS, running the game, including WARDEN. Warden will report to the Blizzard servers it detects InnerSpace, the code they're looking for (dual-boxing.com confirmed that with the lead dev of ISboxer), when that VM instance is used to log into the game. A VM does not connect their copies of WoW through your main OS - it's makes it's own connection directly, through the main OS.
You just need to stop posting about this, you're dangerous.
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https://us.forums.blizzard.com/en/wo...-policy/707978
"Perl is correct - nothing can be done through the forums, but it sounds like you already put in a ticket.
Just to be clear we have never SUPPORTED multi-boxing, but it was allowed - still is matter of fact, just not in the way you may have been doing it. You can still have as many licenses as you like online at a time, you just need to control them individually now."
Bold mine. I would take that as an implication that they will not make a distinction, if they see multiple accounts acting in unison, regardless if it's software or hardware, they will issue a warning/ban.
(It's also an expansive option, as discussed on dual-boxing.com. $400 for a 5 port solution. And there's no indication it won't be actioned.)