Hello @Leo_Or and welcome to the forum.
Please look here: https://roononnas.org/de/synology-dsm7-2/
Many thanks for your reply. Tried already but was not ok as my NAS now is 20220216 (Synology DSM 7.x (X64)version) & is not able to downgrade to fulfill the 221117 (Early Asscess Installer (DSM7) version).
I don’t know what you try to achieve here? There is no compatibility between Production and Early Access. I suggest you take a backup from your old installation and then delete the old package and try to install the Early Access package.
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