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Before continuing with the installation which will start the Accounting Service you need to enter and save the secret key contents in the location referred by accounting.secret-key-location in win32.config. See Accounting Service security about the usage of the key for pseudonymisation. The page contains a suggested script to create a secure enough secret in the default location.
You may also customise other Accounting Service configuration settings for your needs, which is recommended. See Accounting Service additional configuration about the properties to set.
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