Comment by Dagmar Dubois on January 21, 2014 at 3:43pm

Hi.. when i am log in through PLSQL  developer at that time i am getting error " ORA-28040: NO MATCHING AUTHENTICATION PROTOCOL " Oracle Database 12C Enterprise Edition Release 12.1.0.1.0 - 64bit production Thanks..

Comment by Kory Wass on January 21, 2014 at 3:46pm

What version of JDBC driver you have. It has to be at least 11G JDBC driver.

KW

Comment by Dagmar Dubois on January 21, 2014 at 3:47pm

I have windows8 operating system so JDBC driver is not installed.

Comment by Kory Wass on January 21, 2014 at 3:48pm

Then how do you setup Oracle connection?

KW

Comment by Dagmar Dubois on January 21, 2014 at 3:50pm

Actually it is connecting through sql plus but from plsql developer (third party) it is not connection and showing ORA-28040: NO MATCHING AUTHENTICATION PROTOCOL).

Comment by Kory Wass on January 21, 2014 at 3:53pm

Then, most likely, third party tool is nor certified for 12C/11G. You could try adding SQLNET.ALLOWED_LOGON_VERSION to both client and server side SQLNET.ORA.

KW

Comment by Dagmar Dubois on January 21, 2014 at 3:55pm

we are using plsql developer tool of Allround Automations as well as oracle forms 6i  and after adding SQLNET.ALLOWED_LOGON_VERSION to both client and server side SQLNET.ORA. i am getting same error mesg...

Comment by Quincy Sunday on January 21, 2014 at 3:57pm

using plsql developer tool of Allround Automations as well as oracle forms 6i

You might be using an Oracle 8i client.  It wouldn't be certified with a 12c database.

Comment by Dagmar Dubois on January 21, 2014 at 3:58pm

I am using Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi.

Comment by Quincy Sunday on January 21, 2014 at 4:00pm

Forms 6i doesn't use a 10g client.

 

Check if Allround Automation and Forms 6i are using the same Oracle Client Home or two different Oracle Client Homes.

I presume, then, that Allround Automation is using the 10g client.

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