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Outlook 2007 loosing connection to Exchange 2003 - DNS?

I have Exchange 2003 running on Windows 2003 (DC).  Occasionally and randomly Outlook 2007 clients loose connection to the Exchange server.  When this happens I cannot ping the server name but I can ping the IP address.  This only seems to happen to the exchange server.  I can still access shares and ping machine names of other servers.  This must be a DNS issue but I can’t seem to find the answer.
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mjobes
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mjobes
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2 Solutions
 
mjobesAuthor Commented:
I forgot to mention when I do an ipconfig /release /renew the issue resolves itself.
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mjobesAuthor Commented:
One more update if I do ipconfig /flushdns it also seems to resolve the issue
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pwindellCommented:
Is the Client using only the AD/DNS in its TCP/IP Specs on the nic?

Is the DC using only itself and maybe a second DC for the only DNS in the TCP/IP Specs?
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mjobesAuthor Commented:
This was a DNS Server assignment issue.  I had set an external dns server in my dhcp scope.  Setting it back to my internal dns server resolver the issue
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mjobesAuthor Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for mjobes's comment http:/Q_27017762.html#37298590

for the following reason:

Thanks... I figured this out myself
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pwindellCommented:
Actually just just did what I told you to do.  Whether DNS in the TCP/IP specs was assigned statically or via DHCP doesn't really matter
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