I found a surprisingly simple solution for installing and authorizing the old Sonic Reality expansions:
(1) On the “Your registered products”-page of your FXpansion account, there’s a field where you can register a product. Paste the serial number of your Sonic Reality expansion(s) there. FXpansion recognizes and accepts them. I registered three, and they were all accepted.
(2) Next, on the same page, click “migrate BFD products to InMusic profile”. This brings you to a page where you’re informed you will be sent a mail to start the migration process. Click ‘Send mail’.
(3) You’ll receive a mail with a link that leads you back to FXPansion where you initiate the actual migration. Click OK. If all goes well, as it did in my case, you’ll be informed when the migration is done (which happens very fast).
(4) Open the BFD License Manager (not the FXPansion License Manager) and you should see that the license(s) of your Sonic Reality expansions have been added to the list. Proceed as usual with downloading and installing the expansions.
Note that, doing it this way, the problem of the failing SonicReality/eSoundz installers is also circumvented, because you can download and install those old expansions via the BFD License Manager.
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