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DNS/Server 2012 - COX Cable  Warning: no DNS RPC connectivity (error or non Microsoft DNS server is running)

Posted on 2014-02-24
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Last Modified: 2014-03-11
I have a small business that is using Cox Business with Server 2012, and we are getting DNS issues when trying to join computers to domain and no internet connection at times

DCDIAG gives me :

Warning: no DNS RPC connectivity (error or non Microsoft DNS server is running)

The info for the COX Modem is:

Internal IP    xx.xxx.203.150
Subnet          255.255.255.240
Gateway      xx.xxx.203.145
DNS   68.105.28.16

Router IP Local
192.168.2.1
Subnet - 255.255.255.0

DHCP - Disabled

What settings could be causing the issue in Server 2012 - DHCP/DNS
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Comment
Question by:Travis Hahn
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9 Comments
 
LVL 12

Expert Comment

by:Gregory Miller
ID: 39884463
Depends on the DNS settings the clients are using. Do an IPCONFIG /ALL on the workstation in question and post the DNS lines for Primary and Secondary
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Author Comment

by:Travis Hahn
ID: 39884574
Here is the output from server:



Windows IP Configuration

   Host Name . . . . . . . . . . . . : ICA-SRV
   Primary Dns Suffix  . . . . . . . : ICASUPPLY.local
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : ICASUPPLY.local

Ethernet adapter ICATEAM:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Network Adapter Multiplexor Driver
   Physical Address. . . . . . . . . : 10-60-4B-92-23-1D
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv4 Address. . . . . . . . . . . : 192.168.2.200(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.2.1
   DNS Servers . . . . . . . . . . . : 192.168.2.200
   NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.{20E01E7F-0AE9-4251-B867-F8C1AA69F639}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes


HERE IS FROM A DOMAIN Client

Windows IP Configuration

   Host Name . . . . . . . . . . . . : ICA-SRV
   Primary Dns Suffix  . . . . . . . : ICASUPPLY.local
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : ICASUPPLY.local

Ethernet adapter ICATEAM:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Network Adapter Multiplexor Driver
   Physical Address. . . . . . . . . : 10-60-4B-92-23-1D
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv4 Address. . . . . . . . . . . : 192.168.2.200(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.2.1
   DNS Servers . . . . . . . . . . . : 192.168.2.200
   NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.{20E01E7F-0AE9-4251-B867-F8C1AA69F639}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
0
 

Author Comment

by:Travis Hahn
ID: 39884583
Sorry - FROM Client - I have no idea where that other DNS is coming from

The only server on the network is the 2.200 DC


Windows IP Configuration

   Host Name . . . . . . . . . . . . : HPWin7083013
   Primary Dns Suffix  . . . . . . . : ICASUPPLY.local
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : ICASUPPLY.local

Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . : ICASUPPLY.local
   Description . . . . . . . . . . . : Broadcom NetLink (TM) Gigabit Ethernet
   Physical Address. . . . . . . . . : 78-E3-B5-C1-B5-88
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::e072:c67b:84c8:1130%13(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.2.103(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Wednesday, February 12, 2014 3:24:57 AM
   Lease Expires . . . . . . . . . . : Tuesday, March 04, 2014 3:24:57 AM
   Default Gateway . . . . . . . . . : 192.168.2.1
   DHCP Server . . . . . . . . . . . : 192.168.2.200
   DHCPv6 IAID . . . . . . . . . . . : 276358069
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-19-7A-75-30-78-E3-B5-C1-B5-88
   DNS Servers . . . . . . . . . . . : 192.168.2.200
                                       192.168.2.1
                                       205.171.3.25
   NetBIOS over Tcpip. . . . . . . . : Enabled
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Author Comment

by:Travis Hahn
ID: 39884596
I have since removed the extra DNS entries from the DHCP scope

I am Still getting "Warning: no DNS RPC connectivity (error or non Microsoft DNS server is running)"
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LVL 12

Expert Comment

by:Gregory Miller
ID: 39885477
You might try flushing the cache from the server DNS and then restarting the DNS Service.
0
 

Author Comment

by:Travis Hahn
ID: 39885716
When I do a NSLOOKUP from the server (DNS Snap-in)

the default server says: UnKnown

>yahoo.com
Server: UnKnown
Address: 192.168.2.200

Non-authoritative answer:
Name:  yahoo.com
Addressses:   98.139.183.24
                        206.190.36.45
                        98.138.253.109


How do I get it to say the servername?
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LVL 12

Accepted Solution

by:
Gregory Miller earned 2000 total points
ID: 39885728
use the command "server <ipaddress>" or "server <servername>" otherwise, it defaults to the currently interface defined server. It should show the server name as unknown as default.
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Author Comment

by:Travis Hahn
ID: 39885866
It was because there was no reverse zone setup.

However I now have 2 DNS servers on the same server

ICA-SRV

and

ICA-SRV.ICASUPPLY.local


I should delete one of them correct?
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LVL 12

Expert Comment

by:Gregory Miller
ID: 39885908
if they both point to the same physical, logical  or virtual DNS server, Yes... but it will not matter either way.
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