Setting Windows License Keys in Bulk

In the past I’ve used the Microsoft Volume Activation Management Tool (VAMT) to apply licenses across an entire fleet of servers.  there is, however, a bug in the tool which prevent you from using the letter ‘N’ in the license number.  Even copy/paste doesn’t work – it simply drops any and all N’s.

Here’s what happens when I type the letter ‘N’:

 

So here’s a PoweShell script that levergaes WMI to install the license key, “invalid characters” and all.

 

 

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