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SBS Server Problem Accessing from Client - Unless I add Server address as first DNS entry

Hello
I have installed our SBS server 2011, when I attempt to connect to the exchange server via Outlook 2007, or OWA via internet explorer, I cannot connect unless I make the first DNS entry on the client the address of the SBS server, then I can connect.

My question is what am I doing wrong, should'nt the client beable to resolve the SBS Servers name ?

once again thanks for your help in advance..
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tonyg01
Asked:
tonyg01
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2 Solutions
 
rindiCommented:
That's how PC's in an AD domain should be setup. They should only have the SBS server's IP as DNS and no other, or actually for a foolproof setup be setup to get their addresses from the DHCP server which is the SBS server (disable any other DHCP servers within your LAN, like those on routers etc).
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tonyg01Author Commented:
Thank you answering the question so quickly, I guess I dont understand how the OWA is going to work meaning do I need to change the DNS entry on the router , when someone comes in from the outside to access the OWA ?
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Llacy80Commented:
How many public Ip's do you have? What kind of router?
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tonyg01Author Commented:
I have 25 public IPs  avaliable via FIber
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tonyg01Author Commented:
sorry sonicwall routers
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rindiCommented:
No, the PC's connected from the outside don't use any settings from the router in your location.The router only is active within the LAN.
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Llacy80Commented:
I think he means sonicwall firewall....
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tonyg01Author Commented:
Im sorry , yes I have sonicwall routers, with 25 public facing IP address if needed. Im only using five at this time .

Im sorry for the confusion ..
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Llacy80Commented:
To have OWA be accessible externally, you are going to need to set up an Access Rule on your firewall. If you provide your firewall model I can post some instructions on how to do that.
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tonyg01Author Commented:
The router is a TZ 190 that handles this Server

Thank You
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Llacy80Commented:
Please see this post for guidance in setting up OWA to be accessible externally. YOu will need to run the public server wizard from your TZ190. It will create the appropriate NAT and access rules

http://www.experts-exchange.com/Hardware/Networking_Hardware/Firewalls/Q_26721072.html

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tonyg01Author Commented:
once again Thank you
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