ORA-12555: TNS:permission denied

ORA-12555
ORA-12555: TNS:permission denied
Cause: User has insufficient privileges to perform the requested operation.
Action: Acquire necessary privileges and try again.
More details : Viste http://www.high-oracle.com/ora-12555/
More details : Viste http://www.high-oracle.com/ora-12555/
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Your source for help on all Oracle database error codes :
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Error Oracle : ora-08207 http://www.high-oracle.com/ora-08207/
Error Oracle : ora-09944 http://www.high-oracle.com/ora-09944/
Error Oracle : ora-32581 http://www.high-oracle.com/ora-32581/
Error Oracle : ora-12703 http://www.high-oracle.com/ora-12703/
Error Oracle : ora-23372 http://www.high-oracle.com/ora-23372/
Error Oracle : ora-12158 http://www.high-oracle.com/ora-12158/
Error Oracle : ora-02191 http://www.high-oracle.com/ora-02191/
Error Oracle : ora-01691 http://www.high-oracle.com/ora-01691/
Error Oracle : ora-02450 http://www.high-oracle.com/ora-02450/
Error Oracle : ora-27040 http://www.high-oracle.com/ora-27040/
Error Oracle : ora-09921 http://www.high-oracle.com/ora-09921/
Error Oracle : ora-29292 http://www.high-oracle.com/ora-29292/
Error Oracle : ora-07682 http://www.high-oracle.com/ora-07682/
Error Oracle : ora-29365 http://www.high-oracle.com/ora-29365/
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