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;