Oracle® Database 11g / 12c / 18c error codes NZE-29008: Bad DH Param key length
NZE-29008: Bad DH Param key length
Oracle Error Code: NZE-29008
Cause: The length of the Diffie-Hellman params exceeds export restrictions.
Action: Enable Oracle Net tracing and attempt the connection again. Contact Oracle customer support with the trace output.