I am using a db link to connect to a different database.
My problem is when I try to query an object database b using
select column from objectname@dblinkname
I get this error ORA-12638 Credential Retrieval failed.
But I am able to query connecting the session seperately.
So, only when using the dblink i get the above error.
Can anybody help me in this regard.
I checked TNSNAMES.ORA also i tried changing the SQLNET.ORA authentication parameter from NTS to NONE.It doesn't work.
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