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So you have two domains NA and LA? Why would LA user work on NA domain?
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So you have two domains NA and LA? Why would LA user work on NA domain?

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When the user domain_aislas was trying to authenticate with NA domain AD, EMEA domain AD , the authentication failed -through wireless<br />
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when using LAN CAT 5 it works<br />
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When the same user came across LA Domain AD the authentication succeeded. &nbsp;<br />
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Authentication failure from Clearpass<br />
==========================<wbr />==========<wbr />=<br />
NA domain AD - 10.130.x.x: User not found.<br />
MSCHAP: Authentication failed<br />
EAP-MSCHAPv2: User authentication failure<br />
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Service groups and the AD servers in Clearpass<br />
==========================<wbr />==========<wbr />==========<wbr /><br />
1. NA_Enterprise wireless access ( Authentication for the user a_aislas failed here )<br />
<br />
here all doamins are parent child relationship<br />
<br />
<br />
is it a subnet issue
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When the user domain_aislas was trying to authenticate with NA domain AD, EMEA domain AD , the authentication failed -through wireless

when using LAN CAT 5 it works

When the same user came across LA Domain AD the authentication succeeded.  

Authentication failure from Clearpass
=====================================
NA domain AD - 10.130.x.x: User not found.
MSCHAP: Authentication failed
EAP-MSCHAPv2: User authentication failure


Service groups and the AD servers in Clearpass
==============================================
1. NA_Enterprise wireless access ( Authentication for the user a_aislas failed here )

here all doamins are parent child relationship


is it a subnet issue

wireless connection

Wireless networking is anything related to the transfer of data between two (or more) devices without the use of a physical connection, ranging from getting advice on a new Bluetooth headset to configuring sophisticated enterprise level networks.

Wireless Networking

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

Network Management involves issues that are independent of specific hardware or software, including email policies, upgrade planning, backup scheduling and working with managed service providers for Desktop-As-A-Service (DaaS), Software-As-A-Service (SaaS) and the like through the use of tools, coupled with manufacturer standards, best practice guidelines, policies and procedures plus all other relevant documentation. Network management also includes monitoring, alerting and reporting, management reporting, planning for device or service updates, the backup of configurations, the setting of key performance indicators and measures (KPIs/KPMs), associated service level agreements and problem records as part of the IT Service Management (ITSM) framework.