Home » RDBMS Server » Server Administration » ORA-28040: No matching authentication protocol error on fresh installation of Oracle 12c (Oracle 12c, Windows 2012R2)
ORA-28040: No matching authentication protocol error on fresh installation of Oracle 12c [message #669371] Wed, 18 April 2018 01:21 Go to next message
khilolani
Messages: 1
Registered: April 2018
Junior Member
Hello,

I have been having problems in installing Oracle 12c BI. On the page where we have option to either 'create new schemas' or 'use existing schemas', I choose 'use existing schemas' and fill in all the details but I keep getting ORA-28040: No matching authentication protocol error. Below is the screenshot.

Could someone please help on this asap. I have been stuck at this stage since yesterday and have tried all the suggestions that I could gather through Google. BTW this is a fresh install and not an upgrade.

Thanks
Prakash
Re: ORA-28040: No matching authentication protocol error on fresh installation of Oracle 12c [message #669374 is a reply to message #669371] Wed, 18 April 2018 06:33 Go to previous message
John Watson
Messages: 8504
Registered: January 2010
Location: Global Village
Senior Member
Welcome to the forum. Please read the OraFAQ Forum Guide and How to use code tags and make your code easier to read

I think that your connect string is not correct, try this
localhost:1521/pdborcl

[Updated on: Wed, 18 April 2018 06:33]

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