Cisco NAC AD SSO

Hi,
I need help with configuring CASUser Account for NAC AD SSO in a multidomain enviorment.
We have two child domain (based on region) say A & B. We have created the casuser account in domain A. If a user from Domain A login, everything works fine and they are authenticated.
But the problem starts if some one from domian B tries to login - they are authenticated by AD (checked through kerbtray and net time \set (can't see ticket for casuser account)....the NAC agaent keeps on prompting for username & password.
Domain: Windows 20003
Domain functional level: Windows 2000 native
Cisco NAC Agent: Version : 4.8.0.32

Hi Sanjeev,
I was implemented the Cisco NAC in a multi domain environment and works fine until the customer add third AD server on Windows 2008.
Do you verify that the created user CASUSER is visible on domain B?
The CASUSER in my opinon must be created on root domain and will be broadcasted to domains A&B.
Do you used LDAP user mapping to roles?
Do you tested that was created user in domain B and verify in site A? It's the simple test for what you want to do.
Which version Cisco NAC have you got?
Kamil

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let me know if you need anything else.
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Hi,
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FQDN: active.test.com
Domain Name : test.com
User : ccasso
2011-02-05 12:00:30.225 +0700 WARN com.perfigo.wlan.jmx.adsso.GSSServer
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2011-02-05 12:00:30.225 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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2011-02-05 12:00:30.225 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
- Server is now running ...
2011-02-05 12:00:30.225 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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2011-02-05 12:00:30.225 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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2011-02-05 12:00:40.224 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
- GSSServer - done building kdc list for domain active.test.com
2011-02-05 12:00:40.224 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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2011-02-05 12:00:40.224 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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2011-02-05 12:00:40.224 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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2011-02-05 12:00:40.224 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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2011-02-05 12:00:40.224 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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text@5ad7b2
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2011-02-05 12:00:50.244 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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2011-02-05 12:00:50.244 +0700 INFO com.perfigo.wlan.jmx.adsso.GSSServer
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Hi,
This error means that your DC does not support the encryption method the ACS wants to use.
Usually this happens when you run 2008 Server with 2003 functionality...
You will need to run ktpass.exe according to the DC you are running:
http://www.cisco.com/en/US/docs/security/nac/appliance/configuration_guide/48/cas/s_adsso.html#wp1277452.
For Windows 2008 Server at 2003 Server functional level:
ktpass -princ newadsso/[adserver.][email protected] -mapuser newadsso -pass
PasswordText -out c:\newadsso.keytab -ptype KRB5_NT_PRINCIPAL
HTH,
Tiago
If this helps you and/or answers your question please mark the question as "answered" and/or rate it, so other users can easily find it.

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- Do rate helpful posts -

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Jatin Katyal
**Do rate helpful posts**

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Hi
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If this helps you and/or answers your question please mark the question as "answered" and/or rate it, so other users can easily find it.

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