EVENT 1006, DNS Client Events

I have been getting these DNS client events And my internet connection has been limited and disconnected over and over again. My desktop (this event) is connected to my notebook computer that is connected to a wireless connection (Apt Managed)

Hi,
This issue can occur by incorrect DNS settings. I suggest you perform the following steps to troubleshoot the issue.
1. Click "Start", input "NCPA.CPL" (without quotation marks) and press Enter.
2. Right click on the connection that you use for the local connection, and then click "Properties".
3. Click to select "Internet Protocol Version 4 (TCP/IPv4)", and then click "Properties".
4. In the Internet Protocol window, let's change the "Preferred DNS server" to 208.67.222.222
5. Click 'OK' twice to complete the modification.
If the issue persists, please repeat the steps and change the "Preferred DNS server" to 208.67.220.220.
Kim Zhou
TechNet Community Support

Similar Messages

DNS Client Service Issues

Hi all,
We seem to be having some odd issues with about 50% of our Windows 7 clients. I'll give you a brief run down of what is occurring.
Server 2008 R2 Domain serving about 50 clients. Having changed a static entry in DNS to point an A record to a new server, the Windows 7 clients randomly can't resolve the IP.
So on testing using either the FQDN or just the host name the request doesn't resolve using ping.
Tried using NSLOOKUP and NSLOOKUP resolves just fine.
Tried ping again and no joy. Turned off the DNS Client Service and instantly the host name resolved to the correct IP.
Restart the DNS Client Service and there's about a 25% chance the hostname will no longer resolve. On ALL of the PCs that have this issue. Stopping or restarting the DNS Client Service resolves the problem.
Also it should be noted that running ipconfig /flushdns has no effect and the host still doesn't resolve to the IP. ONLY stopping the DNS Client service on the Windows 7 PCs does the trick.
Your suggestions are most welcome!
Thanks,
Simon.

Hi Yolanda,
Nothing in any event log anywhere and I've checked all the AV logs and run scans already, drivers are up to date. Also there is no firewalling at the client end.
Had a read through the NRPT doc and I don't think that is relevant as the host they are trying to get to doesn't have anything different to anything else in the DNS Domain. All hosts are of the form host.contoso.com. All we've done is change
the IP address on one of the hosts manually within DNS.
It is almost as if on a reboot, the DNS Client Service picks up an old copy of the cache and refuses to overwrite it.
I'm considering changing the Parameters of the service to reduce the TTL of the cached entries from the default of one day to one hour and turn off caching of negative responses as follows:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Dnscache\Parameters]
"MaxCacheTtl"=dword:e10
"MaxNegativeCacheTtl"=dword:0
Thanks,
Simon.

DNS client service issue

I’ve got a DNS client service issue:
I have a webserver in my local Domain, which is accessible locally only.
One client machine with Windows Server 2012 sometimes cannot access the websites situated on this local webserver. Its event viewer does not contain any issues. The machine can still access the internet. The thing I need to do then, is to restart the DNS client
service on this Windows Server client. After that these local websites are reachable again. The DNS Server is installed on the DC.
What approach could I follow to solve this issue?
Patrick

Are you using the fqdn (host.domain.tld), a single label name or a custom dns name?
If you use the single label name, dns name resolution depends on the suffixes, make sure these are configured.
If the issue occurs, you could use nslookup to check if the communication with all configured dns servers is working and the required records are there.
Use ping to check if the correct ip with FQDN is returned. No FQDN implies netbios was used for name resolution - no good -> check the dns configuration
If you use a custom dns name, check what IP it resolves (ping/nslookup); is it a server local IP? If not, check if the issue resolves by putting the dns alias in the hostsfile with a local ip (or 127.0.0.1 if the bindings for your site allow)
The issue might also be solely related to the dns cache maintained by the service. You could check if ipconfig /flushdns resolves the issue to confirm. Their is not much configuration or debugging info available on this, but issues I've seen all boil down
to dns servers not being corretcly configured on the client's ip settings.
You could enable the DNS Client Events operational log (eventviewer->applications and services logs\Microsoft\Windows to maybe get more info on the issue.
MCP/MCSA/MCTS/MCITP

If i have Dns Client service running, is it necessary to enable dns prefetch in the about:config section?

I've been wondering this for a while and can't seem to find the answer.
Whenever i set network.dns.disablePrefetch to true, the browser seems to load a bit more smoothly and even with the pref. disabled, the dns client service seems to still cache dns whenever i check on cmd using the ipconfig /displaydns command.
Does this mean that the browser still fetches dns even with the pref disabled?

I'm not really sure if it speeds up the loading process or not since it's a bit hard to tell but like i said, the loading is smoother.
Is Dns Client service different from Dns prefetch?

DNS client in a non-global zone

Hello,
I want to configure only the non-global zone as a DNS client, with
/etc/resolv.conf
/etc/defaultdomain
/etc/nsswitch.conf
Is this ok or is this a global wide issue?
-- Nick

Yes. The /etc file system is private to each zone (both in the sparse and whole root models) so each zone can have it's own DNS settings (as well as private things like a different time zone and such).

Domain Controllers that are DNS servers DNS Client settings

[Copying verbatim from a mail by Joe ]
So I have been pinged by a few folks recently on configuration of client DNS settings on Domain Controllers that are also functioning as DNS Servers. Lots of debate. I understand there has been long time debate within MSFT as well.
From http://blogs.technet.com/b/askds/archive/2010/07/17/friday-mail-sack-saturday-edition.aspx there
is the quote
"3.When referencing a DNS server on itself, a DNS client should always use a loopback address and not a real IP address."
From http://www.microsoft.com/en-us/download/confirmation.aspx?id=9166 (Windows
Server 2008 R2 Core Network Guide)
"9. In Preferred DNS server, type the IP address of your DNS server. If you plan to use the local computer as the preferred DNS server, type the IP address of the
local computer.
10. In Alternate DNS Server, type the IP address of your alternate DNS server, if any. If you plan to use the local computer as an alternate DNS server, type the IP address of
the local computer."
From http://technet.microsoft.com/en-us/library/dd378900(v=ws.10).aspx (DNS:
DNS servers on <adapter name> should include their own IP addresses on their interface lists of DNS servers)
"The inclusion of its own IP address in the list of DNS servers improves performance and increases availability of DNS servers. However, if the DNS server is also a domain controller and it points only to
itself for name resolution, it can become an island and fail to replicate with other domain controllers. For this reason, use caution when configuring the loopback address on an adapter if the server is also a domain controller. The loopback address should
be configured only as a secondary or tertiary DNS server on a domain controller...
Add the loopback IP address to the list of DNS servers on all active interfaces. The loopback IP address should not be the first server in the list."
ESPECIALLY "For this reason, use caution when configuring the loopback address on an adapter if the server is also a domain controller. The loopback address should be configured only as a secondary or tertiary
DNS server on a domain controller." and "Add the loopback IP address to the list of DNS servers on all active interfaces. The loopback IP address should not be the first server in the list."
Why shouldn't loopback not be first, the justification is why you shouldn't only use loopback, not why it shouldn't be first.
From http://technet.microsoft.com/en-us/library/ff807362(v=ws.10).aspx (DNS:
DNS servers on <adapter name> should include the loopback address, but not as the first entry)
"If the loopback IP address is the first entry in the list of DNS servers, Active Directory might be unable to find its replication partners.
The inclusion of its own IP address in the list of DNS servers improves performance and increases availability of DNS servers. However, if the DNS server is also a domain controller and it points only to itself,
or points to itself first for name resolution, this can cause a delay during startup. For this reason, use caution when configuring the loopback address on an adapter if the server is also a domain controller. The loopback address should be configured only
as a secondary or tertiary DNS server on a domain controller."
This also seems like justification against only using loopback versus using it first.
Are there any actual real documented issues for using loopback first and a remote DNS server second and perhaps third? If the local DNS server service isn't working yet (or at all), I would expect the DNS Client process
to try to connect to it, fail, and then failover to the secondary just like I would expect it to failover if the remote DNS server was secondary and it was unavailable and it failed back to the loopback. Am I making a bad assumption?
And by documented I don't mean random responses to questions on the internet or other such items. I mean a KB article or technet article or properly researched and tested other web article from a reliable resource.
thanks,
joe

As I understand it, the scenario whereby a DC could become an 'island' if it points only to itself, or to itself first, was repaired in the Windows Server 2003 product cycle. See
http://support.microsoft.com/kb/275278 for information about this scenario.
However, there is still a known problem of slow boot times that can occur. See
http://support.microsoft.com/kb/2001093 for information about this. The scenario that is discussed assumes there is a power failure and servers shut down due to overheating while on backup power. When
multiple servers come online simultaneously after power is restored, there can be a significant delay.
The recommended configuration is one that avoids a single point of failure, but also tries to optimize the speed of resource record registration, so that Active Directory can properly synchronize.
-Greg

New Domain controller, DNS client settings before FSMO transfer

I recently promoted a new domain controller. It is the fourth domain controller and third in the site. I plan to decommission the other two domain controllers in the site leaving just the new one. Right now the new domain controller points
its tcp\ip client to the other other domain controller\DNS servers as primary and itself at the bottom. The other domain controllers point to themselves as primary and the newest domain controller on the bottom of the list. Clients on the network
use the original domain controllers as DNS from DHCP first and then the new domain controller DNS. Is it okay to transfer all the FSMO roles to the new domain controller or should I make all the DNS clients point to it first?

Hi,
It is possible to first change your FSMO roles and after this is done then point your DNS clients to the new DC. This should not be a problem.
some interesting information about assigning your FSMO Roles: http://www.windowsdevcenter.com/pub/a/windows/2004/06/15/fsmo.html
Hope this helps you out.

Q on Solaris 11.2 DNS Client

Hi All,
Pls note that the mailq command is found hangup whenever the DNS Client is being enabled in our Solaris 11.2 server. So, do anyone have any clue on this behavior?
Thanks & Regards

Hi Carlos,
Solaris 10 and Solaris 11 are "apples and oranges", to use the popular comparitive expression. In this case, it's more like "grapes and watermelons", or "strawberries and raisins" . .you get the idea : )
This doc talks about it:
http://www.oracle.com/technetwork/server-storage/solaris11/documentation/solaris11-whatsnew-201111-392603.pdf
"System Configuration in the SMF repository
Some basic system configuration has been migrated into the SMF system configuration
repository with Oracle Solaris 11, as part of a wider move to reduce the number of
configuration files that are located in /etc and to improve the management of configuration
during system upgrade. . . . . ."
and specifically on S11 name services:
http://docs.oracle.com/cd/E23824_01/html/E24456/gliyc.html#gllcu
It's a whole new world.

DNS Client not Configured

Hello,
I have reviewed a number of other posts regarding this BPA error but have not found a specific solution.
Receiving the BPA Error: The DNS Client is not configured to point to the internal IP Address of the Server
If the DNS is currently functional, is this required? As a general practice, if it is working, don't change it....
If required, can someone list the steps to change this?

Hi:
The reason the Server should be the DNS server is to maintain _internal_ DNS so each station can find the server and each other. The Internet will work if the setting on the station can find a DNS server that can find the upstream DNS servers.
The way this is meant to work is the stations and the server query the DNS server on the Essentials server. If it knows the name to IP translation, as it should for LAN queries it will provide the results. If it does not, as it most likely would
not in the case of a new internet search, is uses forwarders or root hints (look up those terms if you don't recognize them) to find the name to IP translation and send it back to the station.
If you use DNS servers outside the LAN the usual results are slow startup times and slow network browsing.
Larry Struckmeyer[MVP] If your question is answered please mark the response as the answer so that others can benefit.

Configure DNS client

I new in solaris can anyone tell me how to configure dns client? thank you

1. Edit the /etc/resolv.conf file
vi /etc/resolv.conf
domain example.com
nameserver xxx.xxx.xxx.xxx # IP address of name server
nameserver xxx.xxx.xxx.xxx # IP address of sec name server
search test.example.com research.example.com
2. Configure DNS as the naming service .
cp /etc/nsswitch.dns /etc/nsswitch.conf
3. [b]Bounce the naming service .
svcadm restart network/dns/client
(OR)
Reboot the machine
4. Testing the DNS client
nslookup

Windows 8.1 Clients cant register record in DNS in forest functional level 2008 environment (DNS Client Events 8018)

Hello,
I have two DC,:
first Windows Server 2008, second Windows Server 2012 R2,
AD works in forest functional level 2008
Workstations working in Windows 8.1 OS cant register to DNS with warning:
The system failed to register host (A or AAAA) resource records (RRs) for network adapter
with settings:
           Adapter Name : ...................................................
           Host Name : ...................................
           Primary Domain Suffix : ....................................
           DNS server list :
           Sent update to server : <?>
           IP Address(es) :
The reason the system could not register these RRs was because the DNS server contacted refused the update request. The reasons for this might be (a) you are not allowed to update the specified DNS domain name, or (b) because the DNS server authoritative for
this name does not support the DNS dynamic update protocol.
To register the DNS host (A or AAAA) resource records using the specific DNS domain name and IP addresses for this adapter, contact your DNS server or network systems administrator.

Hi,
Functional levels determine the available Active Directory Domain Services (AD DS) domain or forest capabilities. They also determine which Windows Server operating systems you can run on domain controllers in the domain or forest. However, functional levels
do not affect which operating systems you can run on workstations and member servers that are joined to the domain or forest. Set the domain and forest functional levels to the highest value that the environment can support, in order to use as many AD DS features
as possible.
You may reference SenneVL’s suggestion, and use ipconfig /registerdns
on the workstation to confirm that if the DNS record can be registered.
Best Regards,
Eve Wang
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

Event ID 1012 source DNS Client Events user NETWORK SERVICE

There was an error while attempting to read the local hosts file

Hi,
What files are present in the C:\windows\system32\drivers\etc directory? Below are the contents of mine.
C:\> dir C:\windows\system32\drivers\etc
    Directory: C:\windows\system32\drivers\etc
Mode                LastWriteTime     Length Name
-a---         4/16/2014   1:03 PM       1807 hosts
-a---         8/22/2013   8:35 AM       3683 lmhosts.sam
-a---         8/22/2013   6:25 AM        407 networks
-a---         8/22/2013   6:25 AM       1358 protocol
-a---         8/22/2013   6:25 AM      17463 services
Thanks,
-Greg

DNS: Client can't connect because .local domain isn't in DNS. How can I connect over the WAN to server.domain.local?

So my 2012 server is set up on the LAN with a .local domain name.
Remote Desktop Services are set up and remoteapp stuff works fine on the LAN.
I've set up port forwarding so I can connect to the server over the WAN too, but remoteapp stuff is a bit different. I can connect to the server by specifying the correct IP address. Giving a Web browser the address
https://serverIPAddress/RDWeb
lets me get the login screen and see the range of apps for me to run. I select one, the connectoid is downloaded correctly (in Chrome) and I click on the downloaded connectoid.
Unfortunately, rather than pursuing the sensible IP-address approach that I started with, the connectoid has been given the server's name on the LAN: server.domain.local. Clearly, the client machine tries to look this up but DNS hasn't heard of
it because it's a .local address.
I cannot be the only one to have come across this apparent oversight on Microsoft's part. Any ideas as to how this can sensibly be overcome? Obviously, I could put the IP address translation into every client's hosts file (and I've done this and shown it
works) but I've got too many clients to mess about like this. Anybody know 'the Microsoft way' to fix this?
Thank you for checking this out -- I am confident the details of the problem are completely specified in this query but, if I'm wrong, please ask.
Many thanks again,
Biffo

Hi,
I would like to suggest you to follow the checklist.
Checklist: Make RemoteApp Programs Available from the Internet
http://technet.microsoft.com/en-us/library/cc772415.aspx
Thanks.
Jeremy Wu
TechNet Community Support

Change DNS client settings

Hi,
I have the following problem.
We are using ZENworks 3.2 and we have some clients which have the internal
DNS server manually configured in the TCPIP settings. I want to change
that to "automatically", so the client gets the DNS Servers from the DHCP
server. Hava anybody experience how can I do that with ZENworks?
Many thanks
Josef

There are some freeware tools that can do this.
Sorry I can't recall the name.
I think they may even be provided by MS.
ZEN could be used to simply call the tools if found.
[email protected] wrote:
> Hi,
> I have the following problem.
> We are using ZENworks 3.2 and we have some clients which have the internal
> DNS server manually configured in the TCPIP settings. I want to change
> that to "automatically", so the client gets the DNS Servers from the DHCP
> server. Hava anybody experience how can I do that with ZENworks?
>
> Many thanks
> Josef
Craig Wilson
Novell Product Support Forum Sysop
Master CNE, MCSE 2003, CCN

DNS Clients Don't Automatically Register A Records

We have two 2008 R2 DHCP servers (which also run AD/DNS). I've noticed that any new device I put on the network has a tendency to lose it's DNS registration in the forward look-up zone (or possibly they never had one). I can successfully register it with
'ipconfig /registerdns', after which time it will "stick" and never have a problem again. However, I'm staring at several machines, some of which are newly provisioned servers, which have a DHCP lease and no record in DNS (they aren't the kind of
servers that need a static address). We also have hundreds of workstations I know are missing from DNS (though this is less of an issue). They DO have a PTR record, which is always updated properly - it's just the A record that doesn't get updated unless
you manually register. I understand that in Windows 2000+, the client should update the A record and the DHCP server updates the PTR in the default configuration, so only the latter appears to be working.
The DNS zone is set to "secure only" updates. Scavenging period 9 hours with 12hour no-refresh+12hour refresh. We have DHCP set to "dynamically update A and PTR records only if requested by the DHCP clients" and discard when lease
is deleted. Name protection is not enabled. We use a shared service account for DNS Dynamic updates.
I've checked the workstation in question to make sure they aren't getting any weird GPO that would influence this behavior (they aren't, from what I can tell). The only DNS/DHCP-related policy they receive is a 60-minute refresh interval for DHCP. The option
to "register this connection's address in DNS" is checked - everything is pretty vanilla on the workstations, nothing odd there that I can see (and we have this issue for all flavors of Windows as well as non-Windows devices like iDrac cards).
Paul Hite - MCSE, MCITP

Hi Paul,
For DHCP clients:
Please configure the DHCP server to "Always dynamically update DNS A and PTR records".
Then run ipconfig /renew on client.
For static IP clients:
>>Scavenging period 9 hours with 12hour no-refresh+12hour refresh
Please make sure that the DNS registration interval of client is less than 24 hours. (refresh + no-refresh)
Otherwise, please extend the DNS aging period.
Best Regards.
Steven Lee Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

EVENT 1006, DNS Client Events

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