Kerberos Authentication Fails With ORA-12638 On Windows 2008 R2
(Doc ID 1225063.1)
Last updated on JANUARY 30, 2022
Applies to:
Advanced Networking Option - Version 11.2.0.1 and laterInformation in this document applies to any platform.
Symptoms
A 11.2.0.1 client running on Windows 2008 R2 is not able to connect using kerberos.
This is happening only when SQLNET.KERBEROS5_CC_NAME = OSMSFT://. If the kerberos tickets are requested manually and stored in a file (SQLNET.KERBEROS5_CC_NAME = <file>) everything works as expected. Furthermore the problem cannot be reproduced on Windows 2000 or Windows 2003.
Cause
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In this Document
Symptoms |
Cause |
Solution |