Cannot Obtain Domain Controller Name
Jun 19, 2011
Type: Error
EventID: 1054
Description: Windows cannot obtain the domain controller name for your computer network. The specified domain either does not exist or could not be contacted. Group Policy processing aborted.
Dad's work laptop (XP) will no longer connect to any wifi at all. I removed the Intel PRO/set wireless utility so it would default to windows, enabled the Wireless Zero Config. It will acknowledge the network, attempt to get an IP address from the network for 1 minute, then it rotates down to the next network SSID in queue (I have 3 SSID's in our house). When it reaches the end, it just goes back to the "Windows is not connected to any wireless networks" message.
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Dec 15, 2011
I am struggling with the following issue. I have 6 1130 Accesspoints in lightweight mode connected to a 2106 wlan controller which runs software version 7.0.98.0. Everything seems to work fine. Clients can connect to the wifi network. However, they don't get an ip address from the dhcp server which is on the same subnet as the wlan controller. See attached screenshots for configuration. I have also tried the internal dhcp server of the wlan controller, but the same problem remains.
The logs says: Dropping primary discovery request from AP e8:b7:4x:xx:xx:xx - maximum APs joined 6/6 There are 6 AP's connected
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Nov 18, 2012
In my office we are using two networks , one is 16.x.x.x and another on is 15.x.x.x . 16.x.x.x having the domain controller. 15.x.x.x is only connected with Workgroup. my question is it possible to add 15.x.x.x network system into 16.x.x.x network . I tried to add but it gave error message "Domain Controller can not be contacted". Generally we cant add it into the domain i know that. is there anyway to connect the 15.x.x.x systems into 16.x.x.x domain using router in the network.
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Mar 1, 2011
In 2004 I had a small home network of an NT4 domain controller with a 98 client and an XP client and an NT4 workstation laptop.ll was fine with the NT4 server providing a central store and print queue for a networked laser.Over time the laptop has been replaced with a Win7 (which will access the files but really doesn't the NT4 domain.) The Win98 has died and now finally the NT4 sever has gone too.I intend to revert now to a workgroup type set-up and forget about domains (I don't need it really) My problem is if I remove my XP machine from the domain I loose all the program menu, shortcuts desktop etc. which are stored under the domain user name login.Can I retrieve these or at least look at them so I can set up the local XP administrator account with all my familiar stuff.
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Jul 5, 2012
I hav windows server 2003 w/ 3 clients on my home network.2 of these machines link w/ server when i formatted & try to link 3rd machine it says "A domain controller for the domain fits.local could not be contacted" this problem I have 2003 server + isa server 2004 + exchange server 2003 installed in one core i3 machine..........
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Feb 16, 2012
We relocated several servers to our DMZ and, without a domain controller in the DMZ (we plan to put a RODC in the DMZ later when we mvoe to Windows Server 2008), i punch through the standard recommended TCP ports. ports 88,135, 389, 53, etc.) to the internal network located DC. I am double hopping to the DC (I hope thast doesn't matter) as the DMZ located web server communicates to another IP address in the same DMZ network and then I NAT that address to the internal IP address of the DC. Everything seems to be working for the servers we moved to the DMZ but i think i don't have all the necessary TCP/UDP ports punched through because we have found that logging into the DMZ servers is taking an extended amount of time, sitting on the “applying settings” screen. For 2-34 minutes. Also, we noticed that our applciations fols have to now add the fully qualified domain names when making calls to servers that just needed the domain name. When i open the access-list up completely without opening specific TCP/UDP ports, the issue is resolved.
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Feb 10, 2011
I am having trouble adding a computer to the Domain Controller. I have a cable modem running into a di-524 router. The router has DHCP and DNS relay disabled. I set the LAN IP Address of the router to 192.168.2.1. The router is connected to a switch with 10 pc's and a server running 2003. The server has an IP Address of 192.168.2.2. I setup a DHCP server inside 2003 with a scope of 192.168.2.100-192.168.2.199. Under scope options the router is set to 192.168.2.1 and DNS Servers is set to 192.168.2.2 (the ip address of the domain controller). When I try to add the computer it cannot contact the domain controller. Is there something wrong with my DHCP config or DNS?
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Nov 30, 2011
I am currently planning a Active directory deployment. It will most likely be a new forest, but the domain could become part of a existing forest. I have about 45 Computers with about 85 users. At one time there is about 42 users logging in as there is two shifts. The logons will be done all at once. Do you think two domain controllers will be able to handle the load?
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Apr 11, 2012
o create a domain host
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Nov 22, 2012
How has file server been affected by promoting your server to a domain controller? and what are file sever actually do?
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Aug 11, 2011
I have only one PC. I use cross cable for setup Domain controller. Than network icon show available network but it is just only send and can't received.
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Dec 6, 2011
I have a small network: - Domain server - Terminal Server - DB Server SQL 2008 (windows authentification) Usually, user lost connection to the domain.
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May 4, 2011
we have using 10 system with domain contorller connected to network once disconnect server i cant acces to local systen ( per to per )
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Apr 15, 2013
what i am trying to accomplish is to set up a domain for my home network. the domain is going to consist of 2 server boxes both running ubuntu 12.10 server edition and a client machine running windows XPone linux box will be my DC using samba and the other will host email, and apache2 web services.i dont know if you need all of this info but in my experience its best to be thorough.I registered a domain through godaddy.com and made it point to my home IP address. now what happens because all of my machines are behind a router is when i type in my URL it brings up the login request for the cicsco webinterface. what i would like to happen is that my router points traffic to the ip address on my home net work 192.168.1.XXX that is hosting the apache2 webserver.I would also like to connect the client(XP) machine to the domain controller but i keep getting an error that says that the domain does not exist. I have been through the samba settings and they are exactly the same as when i set them up for a mock PDC using "example.com" as a domain name
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Nov 15, 2012
My Primary Domain Server is down and i have to format the server. I have 2 Additional domain controllers. How do I add DC after formating the server in the same domain.
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Sep 12, 2011
Within ACS 5.2, does any know of a way to see which specific domain controller a request is sent to?
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Sep 5, 2012
I try to join an ACS v. 5.3 to the domain. For my acs in Location A, I can join without problems using my account. When I try to join the ACS in location B to the same domain with the same account, it doesnt work.I looked at the debug log files for the ad client, and noticed, that the ACS in location B goes to a certain Domain Controller. However, I would have expected the ACS to contact another DC, which is located on the same location as the ACS ... this doesnt happen.
My question: How does the ACS determine what DC to contact ? Is it possible to force the AC to join by connecting a certain DC ?
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Apr 24, 2013
We have a remote site with ~5 users, 4 IP phones and a network printer. Right now we have an old Win2003 box serving as the DC for that site. It is connected back to us via 10MB layer 3 routing on a HP 5500G-EL switch. This windows server is getting quite old and I'd like to avoid the expense of buying a new server just to hand out addresses and authenticate users. How do you all handle login authentication,dns,and DHCP for your lightweight remotes sites?
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Nov 27, 2011
I am trying to set up the SG300-52 and am struggling, I have a domain controller with IP address 192.168.0.1 I have a broadband router that is has a dynamc ip address. I have set up vlan1 aand vlan2
Vlan1 is getting its ip address from the domain which is 192.168.0.110
vlan2 is getting its ip from the broadband router.
I have setup Domain Name System in the Ip configuration tab
on Vlan1 I have a connected a dumb switch this connects all the computers in the local network. What I cannot get to work is the internet vlan.
who has setup up vlan routing with domain controller
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Feb 14, 2013
On our ASA5510 in the area AAA Server Groups, there is an entry for LDAP and an object that refers to our 2003 Domain Controller. This DC has LDAP over SSL enabled and I can see the DN and Password for a domain user account.I've created two new DC's, both R2 2008 but when I enable these in the same way it says it could not authenticate, ERROR auth server not responding, AAA group removed.I thought this had something to do with CA being installed on a DC, but it's not running as a service on the DC that was already referred to.
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Feb 28, 2010
Is there currently any ACS version working with Windows Server 2008 R2 domain controllers?Our server stuff has recently upgraded the Domain Controllers to 2008r2 and turned off the 2003 servers. This didn't make our ACS 4.1.4 really happy.I've read now serveral posts regarding issues with ACS and Server 2008r2 and hope to find a solution (besides switching to LDAP, yukk).
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May 2, 2013
I have a Nexus 7000 Core Switch , and i need to allow the domain controller ip 10.x.x.x for DHCP relay on switch.
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Jan 12, 2011
I've recently reinstalled Windows 7 64 bit on a machine and it was working fantastic. I installed new parts including RAM, hard disk, disk drive, power supply. I rebooted the machine and everything was working perfectly. A few days later I booted and it no longer connects, regardless of being directly connected to the modem, the router, or using a wireless USB dongle purchased from a retail store. The NIC is set up to obtain IP's automatically but an ipconfig /renew gives an error and the built in troubleshooter just states that it can't obtain an IP.
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Sep 19, 2012
In my home Ive got ADSL wifi router. Me and my brother have 2 computers ( 1 MSI , 1 DELL )There is a problem with obtaining IP addresses.When I connect to WIFI, it works with no problems ... I get IP 192.168.1.x ... But when my brother wants to join WIFI, he gets address 169....But sometimes it is working for him and somtimes not.We solve this problem with turn off and turn on wifi router. But there is still same problem, now my brother gets IP address 192.... and I get 169... so it looks like wifi can give only 1 IP but dhcp is configured for more IP ... We also have 1 desktop computer which is connected with ethernet cable and there is no problem with connection... only wireless problem.
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Mar 30, 2011
This is not a problem with the computer it is a modem problem. It will not let me obtain an ip address from websites or connect to steam. It is a linksy's modem if your wondering.
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Mar 12, 2012
Currently i have multiple computers that are connect via lan with ip addresses(static) that are connected to a cisco router. My question to you, how do you assign more ip addresses to computers on the lan.
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Sep 9, 2011
I am having a hard time to set up my basic configuration for the internet access. I have an external ADSL-modem for my connection to my ISP and I am using PPPOE. I get the 881 to obtain an external IP (so I guess dialin parameters are ok), but I don't get any internet access (f.e. ping), nor do I recieve any packets. [code]
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May 11, 2011
I coulden't visit any websites and it gave me an "error 105" something. So i tried connecting my other comp to the internet cabel with the same result. So i tried to find a solution on the web (wierless internet still worked) and stumbeld upon a similar problem were the answer was to manually fill in an adress in the "internet protocol version 4" properties in the "local area connection" properties. I then noticed that i dident have the "Obtain DNS server address" set to automatically and that the other manual boxes were empty. I then turned the auto on an i had access to internet. Is this safe? Cause i read somewere that DNS server addresess were provided by the company that provide you your internet service, and that you can be redericted to a fake website that can get a hold of your account information on it
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Jul 24, 2012
how do i find my password or key for wireless router
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Oct 25, 2011
How do i secure my online and obtain a password?
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Oct 19, 2011
Anyway, I have an hp desktop pc, running windows 7, with high speed cable connection.. Im attempting to obtain a new ip address.. but when I go to command prompt, and type in ipconfig/release, I get an error telling me that "No operation can be performed on Local Area Connection 2 while it has its media disconnected"
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Feb 7, 2011
I have a netgear wireless router, not sure on the model but can find out if required. My xbox360 is hard wired to the router and my Laptop is connected wirelessly to the router using the internal wireless connection on the laptop. The other half has a laptop too, for some reason her will not connect wirelessly, just gets stuck on a constant loop of ''aquiring ip address'' and does not get past this point. Laptop works if hard wired to the router. how do i get ip address to assign.
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Aug 28, 2012
I have a Lexmark Professional X7675 that will not connect to my wireless network saying "unable to obtain IP address". This printer was previously connected to the wireless network with no issues. I did a reinstall on my computer and a reset of the printer network settings but still it will not connect to the wireless. The SSID and the WPA are both correct.
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