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Oracle Database 12c (12.2.0.1.0) - Unable to connect from client version

IQMar 16 2020 — edited Mar 17 2020

Hello,

I have installed Oracle Database 12c (12.2.0.1.0) , 64 bit client version on my Windows 2019 server. I am however unable to use tnsping <hostname> to get a response from my connections.

I am using LDAP to connect to the Oracle Database. Also some of my applications which use Oracle to connect are getting error messages as in

" System.Data.OracleClient.OracleException: ORA-12154: TNS:could not resolve the connect identifier specified"

How to resolve this issue ?

Thanks

This post has been answered by EdStevens on Mar 16 2020

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Added on Mar 16 2020

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