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finding DNS

Hi, we are using TimeWarner cable in the office, they are changing DNS. They will switch over on 4/15, I changed it on DC, om firewall...  But I still getting a page saying I need to change it, I called TW, they told me I have some devices are still using the old DNS,

My question is, how can I find out?  thx
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mcrmg
Asked:
mcrmg
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1 Solution
 
coolsport00Commented:
There is no way to "search" for it, other than going into each PC/Server and running:
ipconfig /all from the command prompt (go to Start -> Run -> cmd, then press Enter). When you run this command you can see what DNS server(s) the PC/Server is associated with. If you don't have a DHCP server configured with DNS to disperse to your clients, then it's pretty much a manual process.

Regards.
~coolsport00
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TystaCommented:
If you're using DHCP, make sure the scope isn't configured with the old DNS address.
Are you receiving the message on both DC and desktops?
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mcrmgAuthor Commented:
We have dhcp on the server and I change DNS on DC....not sure where else to look for..thx
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coolsport00Commented:
That's pretty much the only place UNLESS you have statically assigned IPs/DNS settings. There is no 'search' method for that; you will have to run IPCONFIG /ALL on servers/PCs, or just check the network adapter's IP settings manually.

~coolsport00
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mcrmgAuthor Commented:
I did that, all the servers/pcs are set to automatically..any ideas?  thx
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coolsport00Commented:
In re-reading over your orig post, you mention you're getting 'a page saying you need to change it', what page and what is the specific msg you're receiving. Please, when posting on EE, provide as much information as possible so as to provide the best possible solutions for you. :)

Regards.
~coolsport00
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mcrmgAuthor Commented:
I found out I forgot to change the dns on one server that is in dmz, I just checked it, it is still the same.......here is the screen shot from time warner..thx
tw2.JPG
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coolsport00Commented:
Thank you for posting that msg. So, did configuring your DMZ DNS server resolve this for you?

~coolsport00
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mcrmgAuthor Commented:
not at all, I need to see if there is something else I forogt
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