Setting up my 1st Windows Server 2012 R2, no internet to clients

Hello Colleagues,

This is my setup:

Modem =====> Router w/ Wfi ======> Server ===>clients (scope in DHCP)
12.168.1.1===> 10.10.10.10==== ====>10.10.10.1=>10.10.10.100-200

I turned off the feature for DHCP server in router, I still haven't created the AD just yet.

My situation:
server side:

IP4.PNG

from the server I could connect to the internet and ping all clients, I have no problem it works like a charm

From my clients side, Cellphones, Printers and other devices also connect to the network But -NO internet, even though I see their lease in the DHCP

If I was to go to an actual windows pc client and I specify the IP4 settings just like the ones above (changing it to its dedicated IP of course), then it works like it should...as opposed if I leave it to obtain the IP automatically...

Is this because I haven't set up the AD yet?  what am I missing so I can leave it all devices to obtaining it automatically? how would this work with the WIFI devices?

If anybody can can help me decipher this headache, I would appreciate it
LVL 3
ivan rosaAsked:
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Muhammad BurhanManager I.T.Commented:
you have to add and configure DHCP scope options in DHCP

Router = 10.10.10.10
DNS = server's DNS

add and configure DNS role to the server.
add forwarder in DNS which points to your ISPs DNS.
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davorinCommented:
What ip settings client gets from dhcp? (ipcnfig /all)
Can you ping to 8.8.8.8 from dhcp clients?
Does internet on server still works if you remove secondary dns 10.10.10.10?
Anyway if you will setup AD, you should use only AD DNS servers in settings.

I would say that DHCP or DNS on your server is not configured or installed correctly yet. Normally DNS server is installed when you install AD.
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ivan rosaAuthor Commented:
I just did the
Router = 10.10.10.10
the DNS = 10.10.10.1 (I coudln't find it anywhere...)

but now all my computers works nonetheless !!!!!

pretty awesome,

Thanks for the quick reply and happy holidays Muhammad!!!!!!!!!!!!!!!

Thanks as well davorin
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Muhammad BurhanManager I.T.Commented:
Great !
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