No Internet Access - DNS Lookup Failed
Oct 13, 2011
My WLAN has been working fine for the past 6 months. Recently it started connecting and disconnecting itself. ANd now it will only connect to the network but wont give internet access. I can connect to the same router using an ethernet cord. And I can connect to the wireless network using my phone or other computer. There are no driver updates for my network adapter, and I tried reconfiguring the router. That worked for a short period of time, but now I have the same issue. I tried a system restore back to before a recent virus software update to see if maybe that update was causing the firewall to block something.
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Feb 15, 2013
Well first of all id say im pretty good at these types of things as they have happened to me so many times. But i cant figure this one out. Yesterday my internet just went out. All of the lights on the modem are still on everything says it should be connected but just doesnt work. When i try to open webpages it says DNS Lookup failed. Called tech support they are sending me a new modem atm, but i have 2 other ones around that i have tried and they say that im connected to the internet, but nothing same lookup error and everything so i do not think it is the modem. Flushed dns, manually entered the isps dns , Dont know what else to try at all.
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Mar 11, 2013
I been having trouble with my pc ... it looks like it wants to load the page and takes forever and then it says DNS lookup failed ... sometimes it loads but I have to keep trying until it does load.. It's a Windows XP
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Sep 26, 2012
So I just got a new Acer ultrabook and it was working fine until a few days ago. It keeps saying the DNS lookup failed. I've tried everything I can. I made sure it wasn't chrome, doesn't work in Firefox. Reset the modem, did a DNS dump, set the DNS to a 888thing. Utorrent is connecting to the internet fine and I can connect for random periods of time. If I do trouble shoot over and over eventually it starts working. Everyone else in my house gets internet even my sister with the same computer and model.
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Oct 24, 2011
dns lookup failed, on all web browser (IE, Google, Firefox). I did ip and winsock reset, did networking ins safe mode, it will ping my ip address but will not ping any other address. My computer (running Vista home premium) says that I have internet access but it does not work. This happened on one computer and then on another one about 6 days later and they both are wired to a router.
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Aug 28, 2011
whenever i open chrome or anything i get DNS Lookup failed.
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Jun 3, 2011
Iv had this problem with two wireless repeaters now. when im connected to just the router, i am able to access the internet. however when i plug in and set up the wireless repeater ( the latest one is a amped wireless sr300) it works for a few min and then i get a "DNS lookup failed" when trying to access sites. this repeater replaced a hawking hwren1. which would work for a few min and then lose the network.i believe this is a problem with our internet connection into the house, but could it be a caused by the router? (wrt400n) our isp says its not their problem and that its our router, but this is the 4th one in under a year.
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Dec 20, 2011
I have a Windows XP laptop and a Windows 7 desktop. The desktop has no wifi support, I had built it myself. To get internet on my desktop (used for games), I had connected my laptop to the pc, and the laptop picked up wifi from my AT&T gateway in another part of the house. ( I can't move the gateway currently) I have been wanting to connect the desktop to a router/repeater/bridge that would pick up my gateway signal, therefore eliminating the use of the laptop. I also have an Xbox right next to the pc, so I din't want to get an adapter because then I would have to purchase two, so I picked up a a wireless n router with 4 ethernet ports. ( then I could connect both systems using 2 ethernet cables) [URL] I knew when purchasing the router that it had repeater/bridge support. Currently, I have it configured as a wifi bridge. I can connect to it via my laptop, on the wireless networks page, it shows my gateway signal, and the bridge/router, so I connect to the router. It says I have excellent connection, but I can't connect to the internet? Using Google Chrome, it says DNS lookup failed. I can't get on any website, only the router's config page, which is 192.168.1.1. I also connected the router to my pc, and when troubleshooting it says DNS server not responding, may be non existant or incorrect?
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Dec 31, 2012
Whenever I try to goto a webpage within any browser,despite me being connected to my network(though 1 received packet to every 20 or so sent packet ratio) it tells me that DNS lookup failed. I had a similar issue on my other pc that I use more often,though connecting through WIFI momentarily resolved the issue,before I returning to wired,where everything has been fine. My other pc however has no wifi adapter. So ive been stuck.
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Jun 20, 2011
I have just gone through hours of tech support with my ISP and still cannot seem to get online. Problem is the same as recent posts by jerguy1928, with message "DNS lookup failed...." coming up in Google Chrome. Both IE and FF just say cannot connect.Running Windows 7 on laptop. I have tried alt DNS settings (Google and others), all the CMD suggestions, disabling firewalls etc, etc! Other computer in house connects just fine.Ping works fine. Really, there appears to be no reason to not be able to connect - since I am actually connected!
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Dec 22, 2012
I've been having an issue with my internet connection, which has been getting a lot worse over the past 1 month. I purchased the WRT120N about a year and a half ago, and occasionally observed dropped connections, but it was no big deal. Over teh past month or so, however, it seems like I get the "DNS lookup failed" error about every 15-30 minutes. Every time, I have to disconnect and reconnect my computer to my router. In addition, I will be disconnected from XBox Live. This problem may occur every 5 minutes or every few hours.
I have updated the firmware on the router. I have reset the router, and have reset DNS 1 t0 8.8.8.8 and DNS 2 to 8.8.4.4. THe network is configured as a DHCP. The X-Box has a wired connection, and my laptop experiences this problem whether I use a wired connection or a wireless one.
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Aug 31, 2012
On a 5500 series WLC I see I have an issue where peap clients get randomly disconnected with these errors
MAX_EAPOL_KEY_RETRANS: 1x_ptsm.c:444 Max EAPOL-key M1 retransmissions exceeded for client 24:77:03:35:79:34
AAA-6-ARP_LOOKUP_FAIL: radius_db.c:3232 Default gateway arp lookup failed.
aaaQueueReader: Aug 31 19:12:14.938: %AAA-4-RADIUSMSG_SEND_FAILED: radius_db.c:3567 Unable to send RADIUS message to
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May 16, 2011
MGMcc solved my set up problem with my KDL-32ex713 which (i've swapped for a new model - its a long story). I used exactly the same ip addresses for the set up on this KDL-373x524 and got messages "wireless device found, local access failed, internet access failed". As my router and pc are the same as last time why the set up doesn't work this time and what I should do?
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Jul 7, 2011
whenever I start downloading any large file I start getting DNS lookup errors from Chrome. I can still download the file and even connect using TeamViewer so I am still connected to the internet is some fashion. My roomate is connected to the same network wirelessly and has not had the issue yet. I am currently connect directly to the router which a Belkin.
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Jan 4, 2013
I want to find out what machine a user is logged into on a local network. The syntax should be something like :lookup user@domain dns.just not sure what flags to pass?
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Nov 8, 2012
My netbook keeps getting DNS Lookup Failure messages. This happens about every 20 minutes, give or take, though sometimes it can go longer before the failure. I can "solve" the problem by quickly repairing the network connection, but that's tedious. It happens only on my laptop and not on my housemate's desktop (wired connection) though he did say that it happens to him on his laptop as well. In looking around I thought the problem might be because i'm using Chrome, but it happens on Firefox and Opera as well.
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Apr 19, 2012
I manage a small business with 10 computers running off my network. They are all connected to the internet through a RV016. We recently created a new website and purchased a new domain through In Motion Hosting. I have a randomly reoccuring issue, usually in the morning, that seems to resolve itself after a couple hours on it's own. I have dealt with tech support from In Motion Hosting and my ISP who have both come to the determination that the problem lies within my gateway.
When I attempt to log on to my companies website [URL] my browser is unable to locate the webpage. Also, if I try to access the website for In Motion Hosting [URL] or to access our webmail [URL]I am unable to do so because the DNS lookup failed. I can view any other web page on the internet without a problem. I can not ping or tracert either website successfully, however when I called In Motion Hosting and got the IP addresses for the two I was able to ping and tracert them without a problem.
As I said the problem happens randomly and seems to resolve itself within 2-8 hours. However we are unable to access our email during these "blackouts" which is becoming a huge problem.
Is there a setting within the RV016 that might be causing this to happen?
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Apr 21, 2011
I was thrown into trying to fix a friends pc being told that the internet wasn't working.What I've found through some messing around is that I am able to pull up websites with the ip address but trying to use the domain name give a "Host Not Found". Similar error when trying to do a ping. However doing an nslookup will pull the ip's for a domain. I've done the dns flush, the netsh commands that are floating around to no avail.
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Jan 19, 2012
I am having Cisco 3845 series router with c3900-universalk9-mz.SPA.151-4.M2.bin IOS . I want to install new Licence on it for DATA. When i am trying to install licence on it i am facing the error "% Error: License installation failed with error: XML parsing failed".
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May 14, 2012
For more than 6 months I have been happily using a Sierra Wireless AirCard313U to connect my Win7 Pro (64-bit x86) laptop to the internet, and using another corporation's VPN (Citrix Access Gateway) as a contractor - so networking problems ARE my problem.
Now what happens is: DNS failures halt my internet browsing and any hope of RDP'ing into the corporate LAN whenever I connect to the VPN while using the AirCard (its a USB/cell modem device). The DNS lookups and RDP'ing works fine when I'm using the VPN with my wifi.
What changed recently:Installed Connectify software Uninstalled Connectify software (didn't work w/AirCard) Installed VirtualRouter software Uninstalled VirtualRouter software (didn't work w/AirCard) Installed Sierra Wireless' AirCard Watcher software (manager app, may have included updated drivers for the AirCard) Re-install Connectify software (now worked w/AirCard)Uninstalled Connectify software (DNS problem had appeared)
I've tried removing ISATAPs, running these commands & rebooting, to no avail:netsh int ipv4 reset reset.log netsh int ipv6 reset reset.log netsh winsock reset catalog
Right now, connected to VPN via wifi my ipconfig /all looks like this:
Windows IP Configuration
Host Name . . . . . . . . . . . . : W7
Primary Dns Suffix . . . . . . . :
[Code].....
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Mar 6, 2012
I have Cisco VPN 3000 in main office which provides VPN tunnel to the remote site (PIX 506). In main office we have Domain Controller as well as DNS/DHCP servers.I ran into the issue where DNS reverse lookups are not working from main office to the remote computers:
ping remotecomputer.mydomain.org - works fine from main office and resolves to appropriate IP address ping -a IP address - from main office returns nothing.attdns.com
From the remote computers, both forward and reverse lookups are working fine.
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Feb 18, 2013
yesterday I have my AIR-AP1252AG-C-K9 failed, I cannot access it via IP and I also cannot find it via CDP. when i connect the power, the ethernet and radio lights go to red and status light goes orange/amber immediately and keep this all the time.if i try to hold the mode button from when i connect the power, all three lights keep off and never be on unless you leave the mode button along and re-connect the power.and there is NO output from the sierial console.
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Nov 12, 2011
My wireless was working but would load some pages super slow and others just fine. I reset my modem and router and now I can wireless connect to the router but get no connection. If I plug my computer directly to the modem I can connect the internet just fine. But if I hook up my router and connect it to my pc through a cable it can't connect just like the wireless.I have a linksys WRT54GSv1 Comcast is my ISP I ran Xirrus connection test and it said DNS Lookup Failure then No IP Availible.This is an ipconfg /all result
Code:
Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:Users**********>ipconfig /all
[code]....
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Jun 23, 2012
Router: ASA 5510
We have changed the ISP, so therefore new wan ip-addresses.
Internet works, and site-to-site vpn works, but I'm failing to localice why the remote access vpn won't work.
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Mar 10, 2008
I decided to upgrade the firmware in my WET200 so downloaded the latest firmware v1.0.10-ESTI filename WET200-ETSI_v1.0.10_200802_fw.img.Update seemed to go well, and the message came up rebooting please wait.Waited about 5 minutes whilst the message stayed the same, decided to try and close my explorer window and connect again, nothing happened.Tried to reset the unit by holding in the reset butting again nothing seemed to happen. The unit had been set up with the ip 192.168.113.4 before the upgrade but this is now unreachable, also tried the default of 192. 168.1 .226. Anything I can do/try to restore my unit, or did the update brick it?
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Oct 11, 2011
cant get online,found that the internet IP ping failed
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Aug 8, 2012
I was trying to setup a Nexus (5596 running NX-OS 5.1(3)N2(1)) to use the "ip ospf name-lookup"command that I am using on IOS-based routers. Unfortunately this command does not appear to be supported on NX-OS and I cannot find a replacement.Is this another feature that's left out of NX-OS?
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May 10, 2011
Have an SRW2024 that I was updating firmware and it got interrupted. Now I can't access the switch from either console or IP. Switch will not pass traffic. Is there a way to get this switch completely reset so I reconfigure and use it again?
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Dec 22, 2009
Just upgraded from 4.0 - to 4.2 then to 4.2.1 15. As you may have seen with periovous posts of mine its not been an esay ride.I have now managed to get it all working - backups AAA etc but for some reason i cannot get the replication to work! Its states the following...
Within the Database Replication active log - Error OutBound database replication failed - refer to CSAuth log file.Other lines in the log state its ok eg - Component logging reports was updated - being replicated to slave...
Please note that the $ is a symbol that i have used because the symbol in the log is strange and i cannot seem to be able replicate here with this text, for example $etworks - should be networks.
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Apr 19, 2013
I am facing problem in configuration with SF-200-24P Switch . I am failed to configure two vlans on same access port i.e. data vlan and voice vlan. there is an option of auto voice vlan with vlan 1 and i changed to our voice vlan i.e. vlan 101 but didnt work. I tried many options. when i assign single vlan on each
access port it works . I have to configure like to work both data vlan and voice vlan with one access port. I worked on enterprise cisco switches its simple but on small business switch first time i am working.
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Oct 13, 2011
Couldn't get online and I found this message "internet IP ping failed" when I did a diagnostics on the wireless card.
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Mar 11, 2010
After a very painful 20 minutes on Linksys tech chat with somebody who didn't listen to what i was telling them ... i thought i'd come on here and ask.I have just bought a WAG320N,the admin panel tells me I'm connected Yet the Internet LED is NOT lit on my router.
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Nov 14, 2011
Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: Pentium(R) Dual-Core CPU E5300 @ 2.60GHz, Intel64 Family 6 Model 23 Stepping 10
Processor Count: 2
RAM: 6134 Mb
Graphics Card: Intel(R) G33/G31 Express Chipset Family, 256 Mb
Hard Drives: C: Total - 463782 MB, Free - 396406 MB; D: Total - 13154 MB, Free - 1850 MB;
Motherboard: PEGATRON CORPORATION, Benicia
Antivirus: McAfee Anti-Virus and Anti-Spyware, Updated and Enabled
I recently bought a Sony Bravia HD TV with wireless internet capabilities.When I try to connect to my wireless internet. The TV finds our wireless router name, but when we try to finally connect wirelessly it gives the following message: TV wi-fi found, local access failed and network access failed. The router we have is a Actiontech PK500.On the TV we have three differant ways for the tv to locate the router they are by scanning, the WPS button and by entering the WPS pin. We've tried all three and got the above message.
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