Not able to ping machines in same domain while using a DNS Suffix Search List

We are using a .vbs script to configure our client dns suffix search lists.  I have found that while using a dns suffix search list, the primary DNS suffix is not used.  I have manually added the primary DNS suffix search list to the script however that dns suffix does not 'stick'.  The only way I have found to connect to a machne in my domain is by using the FQDN.  Here is an example.
We are running 2003 AD
The domain I am in is 123.abc.com
The DNS suffixes in the seach list .vbs script are:
123.abc.com
456.abc.com
789.abc.com
I can ping anything in 456.abc.com and 789.abc.com by using host name only.  I cannot ping anytihing in 123.abc.com unless I use the FQDN.  
I have tried entering 123.abc.com manually in my DNS suffix search list to no avail.  An ipconfig /all shows my Primary DNS as 123.abc.com and 456.abc.com & 789.abc.com show in the DNS suffix search list.  Wierd...
billzbubsAsked:
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Jared LukerCommented:
Sounds like a DNS problem to me.  Are you sure your reverse lookup zones are configured correctly?
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timSACommented:
Looks like a Browsing and DNS problem.   Make sure you don't have Netbios disabled on machines that require FQDN.  Install a WINS server and set all the machines to use it for the WINS server.  
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billzbubsAuthor Commented:
I am trying to resole host name to IP not IP to host name so it is not a revers DNS issue.  One of the great points of DDNS is to get rid of crappy WINS so that is not an option either.
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Jared LukerCommented:
Are you able to use NSLOOKUP at all?
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billzbubsAuthor Commented:
OK, I found it.  It was a 2003 Group Policy that was stepping on the .vbs script.  Since the GPOs in 2003 to configure DNS Suffix Search lists only work on XP/2003 clients, we will have to use St. Bernard to deploy the .vbs script only to our W2K clients and rely on 2003 GPOs to hook up the XP and 2003 machines.  thanks for the assistance anyway.
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moduloCommented:
PAQed with points refunded (300)

modulo
Community Support Moderator
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