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Re: ORA-12638 Credential retrieval failed [message #66007] Mon, 01 October 2001 04:04 Go to next message
Lance Edusei
Messages: 1
Registered: October 2001
Junior Member
Hi I found this from http://dbasupport.com/oracle/faq/Detailed/166.shtm

Open the sqlnet.ora and look for statements like

SQLNET.AUTHENTICATION_SERVICES = (NONE)
sqlnet.crypto_seed = "some text"

and comment out these lines using a "#" sign.

submitted by: Tuan Au

Hope it helps.

Lance

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Re: ORA-12638 Credential retrieval failed [message #66208 is a reply to message #66007] Tue, 29 January 2002 19:57 Go to previous messageGo to next message
Venu Gopal Bhagavatula
Messages: 2
Registered: January 2002
Junior Member
In the TNSNAMES.ORA file, change the name from "servicename.domain" to "servicename" and rename sqlnet.ora (This file is not required. It worked for me!
Re: ORA-12638 Credential retrieval failed [message #66288 is a reply to message #66007] Wed, 06 March 2002 10:57 Go to previous messageGo to next message
ArulMaria
Messages: 1
Registered: March 2002
Junior Member
Yes Lance
Your Post was very Helpful

It solved our Problem

I dont what kinds of bugs these Oracle and Microsoft have

So we can suffer more
Re: ORA-12638 Credential retrieval failed [message #66498 is a reply to message #66288] Sun, 07 July 2002 04:00 Go to previous messageGo to next message
Debasish Goswami
Messages: 1
Registered: July 2002
Junior Member
I am facing the same problem.But ur solution didn't help.please give me another solution.
Re: ORA-12638 Credential retrieval failed [message #66516 is a reply to message #66007] Fri, 12 July 2002 05:28 Go to previous messageGo to next message
Tom Kane
Messages: 1
Registered: July 2002
Junior Member
Thanks for the tip! Worked first time when i tried to create a db instance after I commented out the:
SQLNET.AUTHENTICATION_SERVICES = (NONE)
Re: ORA-12638 Credential retrieval failed [message #66580 is a reply to message #66007] Fri, 09 August 2002 10:49 Go to previous messageGo to next message
Pablo
Messages: 7
Registered: August 2002
Junior Member
muchas gracias.
funciono perfecto con
SQLNET.AUTHENTICATION_SERVICES = (NONE)

antes figuraba

SQLNET.AUTHENTICATION_SERVICES = (nts)

y no andaba
Re: ORA-12638 Credential retrieval failed [message #66598 is a reply to message #66007] Thu, 22 August 2002 20:00 Go to previous messageGo to next message
manohar
Messages: 15
Registered: October 2001
Junior Member
Hi All,

The below statements worked for me.

Open the sqlnet.ora and look for statements like

SQLNET.AUTHENTICATION_SERVICES = (NONE)
sqlnet.crypto_seed = "some text"

and comment out these lines using a "#" sign.

Can anyone explain me about this problem in detail.

Thanks to all

Manohar
Re: ORA-12638 Credential retrieval failed [message #66655 is a reply to message #66007] Thu, 03 October 2002 12:49 Go to previous messageGo to next message
Crispin
Messages: 1
Registered: October 2002
Junior Member
Oracle 8.1.6 (Oracle8i) Download install.

I kept getting ORA-12638 on Enterprise install during database creation. (And any database creation or logon attemp.)

I Commented line:
"SQLNET.AUTHENTICATION_SERVICES= (NTS)"

And all now works.
Thank you for the hint!
Re: ORA-12638 Credential retrieval failed [message #66660 is a reply to message #66007] Tue, 08 October 2002 01:18 Go to previous messageGo to next message
vinit jain
Messages: 1
Registered: October 2002
Junior Member
I am installing the Oracle 8.1.6.0 on my windows 2000 server. It installs all oracle component Oracle succesfully. But when it tries to
create the database. I get a error ORA-12638 Credential retrieval failed. I have installed Oracle multiple times but i am facing this problem first time. Pleae give solution for that.

Thanks
Vinit jain
Re: ORA-12638 Credential retrieval failed [message #66774 is a reply to message #66655] Thu, 09 January 2003 03:20 Go to previous message
wjlj12
Messages: 1
Registered: January 2003
Junior Member
Commented line:
#SQLNET.AUTHENTICATION_SERVICES= (NTS)
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