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'ORA-12154: TNS:could not resolve service name' Error Message Received From Failed Informatica Mapping When Oracle 11g Client Is Not Installed (Doc ID 2038048.1)

Last updated on JULY 08, 2021

Applies to:

Business Intelligence Applications Observer - Version and later
Information in this document applies to any platform.


Informatica Mapping fails with the following error when trying to connect  Informatica to an Oracle 11g Database:

READER_1_1_1> Tue Jul 28 19:01:40 2015
READER_1_1_1> RR_4036 Error connecting to database [ ORA-12154: TNS:could not resolve service name
 Database driver error... Function Name : Connect Database Error: Failed to connect to database using user [UserXXXX] and connection string [].].
READER_1_1_1> Tue Jul 28 19:01:40 2015
READER_1_1_1> BLKR_16001 Error connecting to database...


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