This section only applies to OnPremise installations. Cloud customers may request that their API-enabled instance be configured for External Authentication by submitting a help request.
To activate remote authentication, run the following sql query to update the consumer record you will use.
Sql Server
update OAUTH_CONSUMER set ALLOW_PROGRAMMATIC_ACCESS = ALLOW_PROGRAMMATIC_ACCESS | 2 where CONSUMER_KEY = 'your_consumer_key';
Oracle
update OAUTH_CONSUMER set ALLOW_PROGRAMMATIC_ACCESS = (ALLOW_PROGRAMMATIC_ACCESS + 2) - BITAND(ALLOW_PROGRAMMATIC_ACCESS,2) where CONSUMER_KEY = 'your_consumer_key'; commit;