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Tag Archives: opiino: attach failed due to ora-12547

TNS-12547: TNS:lost contact

Mehmet Salih Deveci May 7, 2020 ORA-ERRORS 0

Hi, Sometimes You can get “TNS-12547: TNS:lost contact ” error.

ORA-12547: TNS:lost contact Error

Mehmet Salih Deveci August 1, 2019 ORA-ERRORS 0

When I connect to Oracle database, I got ” ORA-12547: TNS:lost contact ” error.