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Everytime I try to login using windows credentials to my db instance I get the error: ORA-12638: Credential retrieval failed. Looking at my alert log I find: ns main err code: 12638 which means the database is not able to connect the domain controller. The database connector makes use of NTLM protocol to authenticate. Is it supported by samba4 (4.1.16)? I'm unable to find any

...r is a Domain User, therefore eventually > authentication falls to the domain controller and kerberos. > > Error: > -ORA-12638: Credential retrieval failed. > > Samba logs: > -log level = 10 > -User name -> ids > -Domain -> domain.ad > -Server account name -> DATABASE_SERVER > -Client IP -> 192.168.0.100 > -------------------------------------------------------------------------------------------------- > > [2015/03/02 19:57:03.794542, 3, pid=6266, effective(0, 0), real(0, > 0)] > ../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug...

...te the user connecting to the database. The user is a Domain User, therefore eventually authentication falls to the domain controller and kerberos. Error: -ORA-12638: Credential retrieval failed. Samba logs: -log level = 10 -User name -> ids -Domain -> domain.ad -Server account name -> DATABASE_SERVER -Client IP -> 192.168.0.100 -------------------------------------------------------------------------------------------------- [2015/03/02 19:57:03.794542, 3, pid=6266, effective(0, 0), real(0, 0)] ../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper) Kerberos: TGS-REQ *...

...wrote: > >> Hi again. I apologize for my vague previous question. After some investigation I can be much more precise > in my consult. Furthermore, I think I found a bug? > >> ... > >> > >> User "ids" is requesting a ticket to connect to the "DATABASE_SERVER". In the process samba makes an > ldbsearch looking for the server but does not find it. Why? Because the sAMAccountName that is searching > lacks the trailing dollar "$" that every machine account has. > >> > >> Is this a bug? Any idea on how can I workar...

...5 09:56, Izan D?ez S?nchez wrote: >> Hi again. I apologize for my vague previous question. After some investigation I can be much more precise in my consult. Furthermore, I think I found a bug? >> ... >> >> User "ids" is requesting a ticket to connect to the "DATABASE_SERVER". In the process samba makes an ldbsearch looking for the server but does not find it. Why? Because the sAMAccountName that is searching lacks the trailing dollar "$" that every machine account has. >> >> Is this a bug? Any idea on how can I workaround this issue? >...

...Hi again. I apologize for my vague previous question. After some > investigation I can be much more precise >> in my consult. Furthermore, I think I found a bug? >>>> ... >>>> >>>> User "ids" is requesting a ticket to connect to the > "DATABASE_SERVER". In the process samba makes an >> ldbsearch looking for the server but does not find it. Why? Because > the sAMAccountName that is searching >> lacks the trailing dollar "$" that every machine account has. >>>> Is this a bug? Any idea on how can I workar...