"The Oracle docs note this on the ora-12638 error: ORA-12638: Credential retrieval failed "
- Cause: The authentication service failed to retrieve the credentials of a user.
Though sometimes ORA-12638 can be resolved by restarting the database services in cases where Oracle on Windows is being used, although for this user it was not helpful.
However, the following direction was given, and once administered, was a successful resolution to ORA-12638:
Please check the sqlnet.ora file. Change the following entry and try, this will work.
Original Entry - SQLNET.AUTHENTICATION_SERVICES= (NTS)Modified Entry - SQLNET.AUTHENTICATION_SERVICES= (NONE)
**My Action:Just Restart your Server/Workstation services from your windows Start->Run->"Services.msc". And then try again.
1 comment:
Thank you very much.
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