I changed the HDD of a Macbook with OS X Yosemite by taking the HDD out of the computer and making a byte-by-byte copy with dd on Linux. Now MS Word refuses to start saying the copy isn't licensed. It seems to calculate a checksum over the license key and hardware serial numbers and fail due to the change of the HDD.

I have both HDDs at hand and could restore the old installation by putting in the old HDD. How can I prepare MS Word (license) to survive the HDD change?


1 Answer 1


You need to copy


from the old machine to the new one. Make sure you put it into the exact same location.

  • That doesn't work - how could it the old and the new drive have been copied byte-by-byte, moving files can't change anything. May 1, 2015 at 11:35

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