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When we try to connect to Oracle DB we get the error:
‘Oracle provider is not registered. You should add the OracleUniProvider unit to the use clause of any unit in your project or place the TOracleUniProvider component on the form’

The component is on the form and we also have placed the file OraProvider210.bpl in as the same folder as the exe of the application.

We are using Universal Data Access Components Professional 6.0.2 with RAD Studio XE7 to connect to Oracle 12c.

We tested UniDAC work according to the description and found no problems. Make sure that in the USES clause of the form containing the TUniConnection component there is the description of the corresponding modules :