Possible DNS Problem?

Here’s the scenario:  I have two buildings, B1 and B2.  Each has its own subnet, with the subnets connected to form one domain.  I have two DNS servers and one DHCP server at each building.  Everything works fine at both buildings for computers that have joined the domain.  That is, I can ping servers (Windows 2003 and 2008) from PCs (all Windows XP, Vista, or 7) via both DNS name and IP.  Web browser autodetect also works for PCs joined to my domain.

My problem is with computers that are joined to a workgroup instead of my domain at B1.  At B2, they work fine.  At building B1; however, autodetect doesn’t work and I cannot ping servers via the short dns name.  I can ping my servers via IP address and by the fully-qualified DNS name.  For example: “ping server” does not work (get cannot resolve name message) but “ping server.abc.local” works (where abc is my domain name).

I've compared all the DNS servers and the settings appear to be consistent.  I also checked my DHCP servers and settings on them appear to be consistent as well.
Suggestions?  Thanks!
sfsdtcAsked:
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Krzysztof PytkoConnect With a Mentor Senior Active Directory EngineerCommented:
Check if in that "faulty" building on DHCP server you have properly set up option 015 (Fully Qualified Domain Name)

Also, if possible please post here unmodified ipconfig /all from non-domain client, please

Regards,
Krzysztof
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sfsdtcAuthor Commented:
Thanks, I noticed that on my B1 building DHCP server, there was no 015 (Fully Qualified Domain Name) entry under Scope Options as there is on my B2 DHCP server.  I'm at B2 now so I'll try a non-domain PC at B1 when I get there later today.  I'll post the result.

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Krzysztof PytkoSenior Active Directory EngineerCommented:
Great! Shoudl solve problem with that option ;)

Krzysztof
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sfsdtcAuthor Commented:
Can't believe I missed that when comparing my two DHCP servers but glad that's all it was.  Thank you so much for your help!
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Krzysztof PytkoSenior Active Directory EngineerCommented:
You're welcome :)

Krzysztof
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