How to Change the Serial Number With the Mac OS X Terminal Command

Open a terminal by clicking the “Finder” icon on the dock, clicking “Applications,” double-clicking the “Utilities” folder and double-clicking the “Terminal” icon.
Type the following command into the terminal window, replacing “Serial-Number” with the serial number you want to use, separated by dashes, and “Name” and “Organization” with the name and organization associated with the serial number. The name and organization are optional.sudo serversetup -setServerSerialNumber Serial-Number Name Organization
Type your password at the password prompt and press “Enter.”
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