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Re: ORA-12638 Credential retrieval failed [message #66007]

Mon, 01 October 2001 04:04

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

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!

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Re: ORA-12638 Credential retrieval failed [message #66288 is a reply to message #66007]

Wed, 06 March 2002 10:57

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

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Re: ORA-12638 Credential retrieval failed [message #66498 is a reply to message #66288]

Sun, 07 July 2002 04:00

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.

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Re: ORA-12638 Credential retrieval failed [message #66516 is a reply to message #66007]

Fri, 12 July 2002 05:28

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)

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Re: ORA-12638 Credential retrieval failed [message #66580 is a reply to message #66007]

Fri, 09 August 2002 10:49

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

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Re: ORA-12638 Credential retrieval failed [message #66598 is a reply to message #66007]

Thu, 22 August 2002 20:00

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

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Re: ORA-12638 Credential retrieval failed [message #66655 is a reply to message #66007]

Thu, 03 October 2002 12:49

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!

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Re: ORA-12638 Credential retrieval failed [message #66660 is a reply to message #66007]

Tue, 08 October 2002 01:18

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

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Re: ORA-12638 Credential retrieval failed [message #66774 is a reply to message #66655]

Thu, 09 January 2003 03:20

wjlj12
Messages: 1
Registered: January 2003

Junior Member

Commented line:
#SQLNET.AUTHENTICATION_SERVICES= (NTS)

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