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Arcmap 10.5.1 ORA-12154: TNS:could not resolve the connect identifier specifiedNo extended error

Question asked by deriuv on Jan 3, 2019
Latest reply on Jan 3, 2019 by JFarmer-esristaff

Hi, I'm trying to connect to an Oralce 12c database with instant client and tnsname. I've installed the client, configured the TNS_ADMIN variable, created the tnsnames.ora file and I've set the path variable to read the x64 client before the x86, however, when I try to connect to the db from Arcmap I obtain the error: ORA-12154: TNS:could not resolve the connect identifier specifiedNo extended error.

The tnsname.ora file is correct, since I have connected successfully in sqldeveloper using the same alias.

 

Does anyone have any suggestion?

 

Thanks

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