World of Warcraft Private Servers may not have many of the features that official servers have and can sometimes be very unstable and full of bugs. The quality and features usually depend on the programmers who made and admin them. The reason for this is because they have to program all the game mechanics themselves, as most everything that happens in a Mmorpg origins from the server, therefore the official World of Warcraft source code is not accessible.
These servers are not supported by Blizzard in any manner and playing on them is frowned upon.
World of Warcraft private servers can be very fun to some people in that the owners might allow you to use hack and bots without getting banned!If you want to join a private server it's usually best to get to know some people who are part of one and then gets some hacks, dupes, bots and more to use on that servers. For all this and more visit the site below