Oracle database link

Question

I'm currently using Windows Authentication with 2 Oracle servers - SP3DSMP1 & SP3DSMP4. I created a database link on SMP1 to connect to SMP4 as:

SQL> create public database link LINK_SMP4 2 connect to CURRENT_USER 3 using 'SP3DSMP4';

Database link created.

However when I try to do a query, I get the error:

ERROR at line 1: ORA-01017: invalid username/password; logon denied

Any ideas what might be wrong here?

Answer 1

Credentials are not passed over the dblink connection.

When creating a CURRENT_USER dblink, a trust should be established between the databases. This requires setting up an enterprise domain, adding the databases to it, setting an SSL link between the databases and making the link CURRENT_USER enabled.

See here: http://download.oracle.com/docs/cd/B12037_01/network.101/b10772/asoeuscf.htm