Monday, June 8, 2015

ORA-12638: Credential retrieval failed



I found following line in sqlnet.ora file

SQLNET.AUTHENTICATION_SERVICES= (NTS)

Then i modified the above line as below and it started working

SQLNET.AUTHENTICATION_SERVICES= (NONE)


Seems that The Oracle server is not configured to support Windows authentication

Cheers
Osama

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