Exchange 2010 Disjointed Namespace Help

I am preparing for an Exchange 2010 installation (existing Exchange 2003 environment).  Something I'm really confused on is this Disjointed Namespace issue.  I understand the concept, and judging from this article: http://technet.microsoft.com/en-us/library/bb676377.aspx?t=exchgf1 I have determined that I am in Scenario 3.  My Netbios domain and my DNS domain do not match.

What is confusing me is how do I resolve this.  All the resolution steps in that article, and in the Exchange Server Deployment Assistant, seem to focus on Scenarios 1 and 2.  There are no steps for clearing up the Netbios / DNS conflict.  

Is it a non-issue?

Do I need to rename my Netbios domain?
Brodie KrauseIT ManagerAsked:
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AmitConnect With a Mentor IT ArchitectCommented:
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AmitIT ArchitectCommented:
Check this below link. You need to give few answer and you will get all the steps. This is from MS.

http://technet.microsoft.com/en-us/exdeploy2010/default.aspx#Index
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Brodie KrauseIT ManagerAuthor Commented:
I've run through that wizard.  It offers a two-step solution to fixing a disjointed namespace.  But both of those steps appear to be DNS Domain-only resolutions.  They don't touch the issue of Netbios and DNS domains not matching.

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AmitIT ArchitectCommented:
Out of three scenario in the article posted by you. Can you tell, under which scenario the current env falls....If possible post the design.
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Brodie KrauseIT ManagerAuthor Commented:
I am preparing for an Exchange 2010 installation (existing Exchange 2003 environment).  Something I'm really confused on is this Disjointed Namespace issue.  I understand the concept, and judging from this article: http://technet.microsoft.com/en-us/library/bb676377.aspx?t=exchgf1 I have determined that I am in Scenario 3.  My Netbios domain and my DNS domain do not match.

For example, my netbios domain is TEST while my DNS Domain is Testing.com
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