Oracle DBA, How To, Error, Cause and Action

ORA-12656: Cryptographic checksum mismatch

ORA-12656: Cryptographic checksum mismatch


Cause:


The cryptographic checksum received with a packet of incoming data didn't match the checksum computed by the receiving end. This indicates that the packet was tampered with or otherwise corrupted in transit.



Action:


Look for sources of data corruption, perhaps including deliberate tampering.

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