With the advent of Windows PowerShell, performing bulk tasks just gets easier and easier. Consider a scenario where you have a bunch of Domain Local groups that you need to convert to Global…or any other type of conversion. This is a task that can take a large amount of time to complete manually, even with copious amounts of coffee and House of Cards on the TV. Fortunately, a few lines of PowerShell can make short work of this. Consider the aforementioned Domain Local to Global conversion. As the astute reader will know, a Domain Local to Global conversion isn’t a one-step process. Each group must first be converted to Universal. Why this caveat exists is far too detailed to discuss here, but Microsoft have a pretty ok writeup of it here.
This code isn’t really optimised for any more than a few hundred groups, so buyer beware when running this across a large number of groups.
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