This time we’re going bigger than ever. Fabric, Power BI, SQL, AI and more. We're covering it all. You won't want to miss it.
Learn moreLevel up your Power BI skills this month - build one visual each week and tell better stories with data! Get started
Hello!
I can connect to Oracle database with Oracle SQL Developer but, when i try to connect with Power BI, whit same TNSNAMES.ora configuration i get this error:
ORA-12638: Credential retrieval failed.
I try to connect whit this tnsnames:
Prod =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = X.X.X.X)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SID = XXXX)
)
)
¿Can you help me?
Solved! Go to Solution.
Hi @Anonymous ,
Please try to change the entry to "SQLNET.AUTHENTICATION_SERVICES= (NONE)"
Best Regards,
Teige
Hi @Anonymous ,
Please try to change the entry to "SQLNET.AUTHENTICATION_SERVICES= (NONE)"
Best Regards,
Teige
Hi, where to change this "SQLNET.AUTHENTICATION_SERVICES= (NONE)"?
I am having the same issue.
I made the change to SQLNET.AUTHENTICATION_SERVICES= (NONE) but this didn't help.
Any other ideas?
Yes! I try it last night and fine!!!!
THX!!!!
Hi @Anonymous ,
Could you please tell us which connector and driver did you use to connect to Oracle?
Best Regards,
Teige
Thx for your interest, @TeigeGao
I use the last version of ODAC, 12c (12.2.0.1).
I try with 32 and 64 bits versions.
Check out the April 2026 Power BI update to learn about new features.
Sign up to receive a private message when registration opens and key events begin.
If you have recently started exploring Fabric, we'd love to hear how it's going. Your feedback can help with product improvements.
| User | Count |
|---|---|
| 37 | |
| 29 | |
| 29 | |
| 21 | |
| 18 |
| User | Count |
|---|---|
| 71 | |
| 43 | |
| 33 | |
| 24 | |
| 23 |