Intermittent "host unreachable resolving..." error

At least once a day (sometimes 2-3 times) our DNS server stops working for about 3-5 minutes. It appears to happen randomly (i.e. always at a different time) and after a few minutes, it goes back to normal.
When the problem occurs, none of the external addresses can be resolved and the DNS logs lots of "host unreachable" entries. Here's a brief sample (I'm showing the instance when the DNS goes from non-responsive to working again):
21-Feb-2011 12:51:18.533 host unreachable resolving 'n.nic.at/AAAA/IN': 2001:628:453:4305::53#53
21-Feb-2011 12:51:19.252 host unreachable resolving 'ns2.nessus.at/AAAA/IN': 2001:dc3::35#53
21-Feb-2011 12:51:20.133 host unreachable resolving 'n.nic.at/AAAA/IN': 2a02:568:20::8#53
21-Feb-2011 12:51:22.912 host unreachable resolving 'ns2.nessus.at/AAAA/IN': 2001:503:c27::2:30#53
21-Feb-2011 12:51:22.912 host unreachable resolving 'ns2.nessus.at/AAAA/IN': 2001:500:1::803f:235#53
21-Feb-2011 12:51:23.116 host unreachable resolving 'ns2.nessus.at/AAAA/IN': 2a02:568:20:1::d#53
21-Feb-2011 12:51:23.116 host unreachable resolving 'ns2.nessus.at/AAAA/IN': 2001:67c:1010:12::53#53
21-Feb-2011 12:51:23.117 host unreachable resolving 'ns2.nessus.at/AAAA/IN': 2001:678:d::cafe#53
21-Feb-2011 12:51:25.720 host unreachable resolving 'ns2.nessus.at/AAAA/IN': 2001:628:453:4302::53#53
21-Feb-2011 12:51:26.556 success resolving 'n.nic.at/AAAA' (in 'nic.at'?) after disabling EDNS
21-Feb-2011 12:51:30.613 host unreachable resolving 'ns5.univie.ac.at/AAAA/IN': 2001:62a:4:303::53#53
21-Feb-2011 12:51:30.623 success resolving 'ns5.univie.ac.at/AAAA' (in 'univie.ac.at'?) after disabling EDNS
21-Feb-2011 12:51:31.776 host unreachable resolving 'kropka.www.tokfm.pl/A/IN': 2001:6d8:0:1::a:6#53
21-Feb-2011 12:51:34.505 success resolving 'ns2.nessus.at/AAAA' (in 'nessus.at'?) after reducing the advertised EDNS UDP packet size to 512 octets
Any suggestions as to what could be the cause of this? At any other time the DNS appears to be working correctly.

This question was answered by Mr. Hoffman in another threat. It appears that the problem was related to a faulty AEBS router. Replacing it with another box "fixed" the issue.

Similar Messages

Host Unreachable intermittently within a Windows Network Load Balancing Cluster

Hi,
We have 2 Windows 2008 R2 servers running multiple IIS web sites and load balanced across Windows Network Load Balancer in unicast mode. Although there are two interfaces in each server, only 1 interface in each server participates in load balancing and
other interface is used for a different backup LAN. The problem I am going to mention was not seen within the NLB for almost 1 year.
I have noticed intermittent "host unreachable" detected from NLB in each host from time to time since 3 weeks ago. After servers are rebooted, both hosts can be reached and can be detected from NLB manager. However it becomes unreachable in both
servers within minutes and then becomes reachable again after several minutes. This behavior is noticed in the load balancer and pings do not work between the two hosts when the issue occurs. I did a packet capture to see what was going on with ARP message
when the issue occurs. ARP entry goes missing in each server when the problem occurs and no ARP replies are returned from each server. But ARP requests are dispatched from both servers when the issue occurs. ARP replies come back after sometime after which
hosts become reachable again.
I tried to create a permanent static ARP entry (By copying the MAC address from ARP table when the two hosts are reachable) in each host but that hasn't solved the issue either. It seems like the individual MAC address generated by each host is a virtual
one and it doesn't seem to respond when the problem occurs.
However load balancing and web sites are fully functional without any issues even while "host unreachability" issue is detected.
Appreciate if someone could help me to dig the real problem out.
Thank you.

Hi,
Did you do some change of your network or the NLB firewall settings recently?
If you are using the NLB cluster in Hyper-V guest vm you need to enable the spoofing of MAC address.
The related article:
Cannot access the virtual or dedicated IP address of an NLB node (Guest) running in Unicast Mode on Windows Server 2008 R2 Hyper-V
http://blogs.technet.com/b/networking/archive/2010/02/12/cannot-access-the-virtual-or-dedicated-ip-address-of-an-nlb-node-guest-running-in-unicast-mode-on-windows-server-2008-r2-hyper-v.aspx
More information:
Selecting the Unicast or Multicast Method of Distributing Incoming Requests
http://technet.microsoft.com/en-us/library/cc782694(v=ws.10).aspx
Single network adapter
http://technet.microsoft.com/en-us/library/cc776178(v=ws.10).aspx
Hope this helps.
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place.

Could not resolve host (nil); Unknown error

Trying to install arch linux into virtualbox...
I got it to boot and everything, got my internet set up (I think), installed virtualbox guest stuff, and then had to reboot.
I try to do sudo pacman -S xorg-twm xorg-xclock xterm so that I can test X before installing a desktop enveiroment..
It then asks me for my password, the Y/N thing, etc.
And then I get a whole bunch of lines saying "error: failed retrieving file [filename] from [somewhere] : could not resolve host (nil); Unknown error"
And after that it says error: failed to commit transactions (download library error)
I follow this guide (http://wideaperture.net/blog/?p=3851), I am currently right above step 17.
Anyone knows what to do? I'm installing Arch Linux for the first time so I'm a total newbie.

Type journalctl with sudo, then push the end key to go at the last messages.
The guide you followed said :
sudo systemctl enable [email protected]
But with rescent archlinux changes, as you said with the result of 'ip addr', the base name of ethernet device has changed to enp0s3, maybe that's why you don't have the network. First disable the previous command :
sudo systemctl disable [email protected]
Then enable with the right name
sudo systemctl enable [email protected]
Either way, paste here the logs of journalctl (just type if you see some errors) after doing a
sudo systemctl restart dhcpcd
We never know, but have you checked your ethernet cable is plugged in?
For the screenshots, when I'm in virtualbox and do left ctrl+e, a window pop up to save the .png...

From Exchange 5.5, I have problems sending email to iPlanet Messaging Server 5.1 with subdomain. Error result = The recipient was unavailable to take delivery of the message (Host unreachable)

I'd start with the basics, can you ping the iMS machine? Can you telnet to port 25 on the machine? Do these steps from the MSX server.
If those things work, which I suspect they will not based on the text "Host unreachable" in your question then I would put master_debug slave_debug on the channel which the MSX system is arriving, either going to be tcp_local or tcp_intranet. Then look at the resulting log file on the iMS system.
Hope this helps,
Chad

HOST UNREACHABLE - two network cards

We have two ethernet cards. The first has a static
IP address. This is the card that is used for our
internal network. The second card recieves a dynamic
IP address from a DHCP server. The second card is
used to connect our machine to the internet. When we
disable the second card we are able to make a socket
connection and connect to our database. When the
second card is enabled the socket connection fails and
we get a HOST UNREACHABLE ERROR.
What must be configured here ?
Any help would be appreciated.
null

Messy setup IMO, but anyway....
Your faulty resolv.conf is the reason you can't ping google. Edit it manually as required, and then use the -R flag in /etc/conf.d/dhcpcd to prevent it being overwritten. DHCP on both interfaces will probably cause routing issues as well, in which case you will need the -G flag.

Lenovo W530/W540 Getting Destination host Unreachable from our Firewall

Hey Everyone!
I'm having some bizarre issues with all of my Lenovo W530/W540's. I'm not sure when the issue started, the first time it was reported to me was around March, and it has been persistant since the issue was discovered. The issue is that, quite frequently, our Lenovo W530/W540's will get Destiantion Host Unreachable if I run a continuous ping (ping -t ...) to anything outside our firewall.
I have run a ping to things inside our firewall (other computers/servers, etc.) and they will return good ping until the cows come home.
However, if I try to ping anything outside our firewall (google.com, google DNS 8.8.8.8, yahoo.com, etc.) about every 30 seconds (every 30-35 returns) it starts returning Destitnation Host Unreachable from our Firewall. This will last for around 10-25 returns, and then traffic goes back to normal.
We are a majority Apple Shop, and when I attempt to ping from any Apple on the network, it get fine returns consistently. I also tried pinging from the few non-Lenovo Windows Machines we have as well (my personal machine which is self-built Windows rig, a couple of windows test machines, and a Windows 2008 Server we have) and they also have consistently good returns as well.
It is ONLY the Lenovo's that have this problem. To compound things, they have no issue when they are connected to a different network other than the company network. This ONLY happens when they try to interact with traffic going THROUGH our Firewall on our company network. It happens regardless of whether they hardwired or wireless. Also, during the Destination Host Unreachable moments, Windows does not detect a disruption, it keeps registering good connection. I do not know how often Windows checks for connection, but these Destination Host Unreachable moments are so quick, I'm fairly certain that Windows can't even detect them.
Our Firewall is a Linux CentOS server that is running Shorewall Firewall Software. The Destination Host Unreachable notice is coming from our Firewall directly, not from our ISP, so for some reason, the Lenovo is having a problem talking to our FW.
We currently only have 3 of these machines in circulation, but its having a pretty big impact on those with the machines, as going to a website is even a chore, as they often get "Page Not Found" and other errors when they try to load a website.
I'm a bit stumped, I've never seen a machine act this way where it only has problems on a particular network; usually its a global issue it has with everything. Any and all help would be appreciated.
Thanks!
-Chris

DNS is set to be automatic, though I did try setting a permenent DNS server in the IPv4 settings to our local DNS server AND Google DNS, and the issue still occurred.
The 2 Conflicting firewalls could be it, so I tested that. I logged into the Local Administrator account on the machine so I could temporarily disable the firewall. I disabled it, pinged out, and I still get Destination host unreachable, though weirdly, it seems to happen less than when on the other account (only about every 50-60 pings do I get Destination host Unreachable).

New Install - ICMP Host Unreachable from gateway

Hi team,
I'm configuring a new solaris x86 box for the first time in a long time and I'm running into a problem that has me stumped.
I just installed Solaris 10 v7 on a P4 Dell box with an intel pro1000 adapter loaded.
Installed using ZFS and install went well. I set a static IP of 192.168.1.70 on a proper 192.168.1.x lan.
After install, everything seems to work fine but cannot ping a FQDN such as www.google.com, etc.
at first, I tried to join a local domain - maxximgroup.com and my computer name is set to sunzilla.
Here's my network config files;
sunzilla is set up with static IP = 192.168.1.70
# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
e1000g0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
inet 192.168.1.70 netmask ffffff00 broadcast 192.168.1.255
ether 0:1b:21:27:56:2c
lo0: flags=2002000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv6,VIRTUAL> mtu 8252 index 1
inet6 ::1/128
e1000g0: flags=2004841<UP,RUNNING,MULTICAST,DHCP,IPv6> mtu 1500 index 2
inet6 fe80::21b:21ff:fe27:562c/10
ether 0:1b:21:27:56:2c
And /etc/hosts shows host name sunzilla associated w/ 192.168.1.70...
# cat /etc/hosts
# Internet host table
::1 localhost
127.0.0.1 localhost
192.168.1.70 sunzilla loghost
And my resolv.conf file shows my internal DNS routers as well as a 3rd I added (4.2.2.2) just in case...
# cat /etc/resolv.conf
domain maxximgroup.com
nameserver 192.168.1.20
nameserver 192.168.1.22
nameserver 4.2.2.2
search maxximgroup.com
I noticed the /etc/defaultrouter file was MISSING... so I created one pointing to my router...
# cat /etc/defaultrouter
192.168.1.1
And finally, I checked the /etc/nsswitch.conf file and it does indeed show hosts & ipnodes --> files & dns ...
# cat /etc/nsswitch.conf
# Copyright 2006 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
# /etc/nsswitch.dns:
# An example file that could be copied over to /etc/nsswitch.conf; it uses
# DNS for hosts lookups, otherwise it does not use any other naming service.
# "hosts:" and "services:" in this file are used only if the
# /etc/netconfig file has a "-" for nametoaddr_libs of "inet" transports.
# DNS service expects that an instance of svc:/network/dns/client be
# enabled and online.
passwd: files
group: files
# You must also set up the /etc/resolv.conf file for DNS name
# server lookup. See resolv.conf(4).
hosts: files dns
# Note that IPv4 addresses are searched for in all of the ipnodes databases
# before searching the hosts databases.
ipnodes: files dns
networks: files
protocols: files
rpc: files
ethers: files
netmasks: files
bootparams: files
publickey: files
# At present there isn't a 'files' backend for netgroup; the system will
# figure it out pretty quickly, and won't use netgroups at all.
netgroup: files
automount: files
aliases: files
services: files
printers: user files
auth_attr: files
prof_attr: files
project: files
tnrhtp: files
tnrhdb: files
I can ping local IP addresses ...
# ping 192.168.1.1
192.168.1.1 is alive
But not external addresses ...
# ping 67.15.211.8
ICMP Host Unreachable from gateway sunzilla (192.168.1.70)
for icmp from sunzilla (192.168.1.70) to ns1.siteground168.com (67.15.211.8)
ICMP Host Unreachable from gateway sunzilla (192.168.1.70)
for icmp from sunzilla (192.168.1.70) to ns1.siteground168.com (67.15.211.8)
ICMP Host Unreachable from gateway sunzilla (192.168.1.70)
for icmp from sunzilla (192.168.1.70) to ns1.siteground168.com (67.15.211.8)
ICMP Host Unreachable from gateway sunzilla (192.168.1.70)
for icmp from sunzilla (192.168.1.70) to ns1.siteground168.com (67.15.211.8)
^C#
and naturally, I can ping a FQDN either (confirmed to be pingable on a computer on the same lan) ...
# ping mycloud.local
ping: unknown host mycloud.local
Can anyone provide some guidance pls?

Thanks Robert. You were absolutely on the right track. It turns out that in my "rush" to get my new ZFS "toy" up and running, during the install, I gave Solaris a static address but told it to automatically find the gateway. Oops! When solaris 10 installed, it correctly decided that since it had a static IP, it should assign the gateway as itself! So, naturally, when I ran netstat -m, It showed my gateway as myself! 192.168.1.70 sunzilla.
I'm used to running Solaris on a Sparc platform and I'm a bit uncomfortable with reboots and I figured there would surely be a network restart command somewhere. After finding out that things have now changed in Solaris 10 quite a bit from Solaris 8, I just decided to init 6.
After the system came up, everything was happy : -)
So again, thanks to Robert for helping save the day!

Error: "Cannot connect to the provider. Make sure it is running in the specified host/port. Error (12031)"

Hi,
EPM version: EPM 11.1.2.1
When we are using Zoom In Level as All Levels and tring to drill down for dimention of HFM application we are getting below error.
Error: "Cannot connect to the provider. Make sure it is running in the specified host/port. Error (12031)"
As we found some solution from comunity , we have performed below workaround but still we are getting same error.
·              We have done the changes in mod_wl_ohs.conf file of OHS with (WLIOTimeoutSecs 3600 and WLIOSocketTimeoutSecs 3600)
·              And then restarted OHS and APS service but still we found same error.
Could anyone please suggest ,where can we trace its log from web server and the solution for this issue?
     Thanks,
         D.N. Rana

Hi,
We have already performed the changes for APS in OHS as mentioned in the solution and the path also same as under OHS.
Intially we were getting error for "to increase netRetryCould and NetRetryInterval" as a solution we have added below 3 registry DWORD keys under path
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings
"KeepAliveTimeout"=dword:00180000                   (26 Minutes)
"ReceiveTimeout"=dword:00dbba00                      (240 Minutes)
"ServerInfoTimeout"=dword:00180000                  (26 Minutes)
Above error resolved but then we received Error"12031"
Now we have added above 3 DWORD keys under path HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
and now we are not getting the error "12031".
But here we are not getting how it(LB issue) resolved with above solution?
Thanks,
D.N.Rana

Host name Resolved to an IPS Adress

I am getting this Error
Host name resolved to an IPS Adress - 172.17.158.194 provide a host name
Please advise
Edited by: Next Level on Sep 23, 2012 2:10 PM

John thank for the reply, and you are correct this is a new Installation on a laptop it is an I5 Core 2450 Chip.......with 4 GB of ram and 500 GB of hard drive ...
When I attempt to set up the VMware 9.0 using server using server 2008r2. The VMware loaded and when I installed server 2008r2 the server start and look like it completed, but then but the screen sat saying VMware starting but it just sat t there for 2.5 hours with nothing happening.. So I then attempted to stop the VMware machine and I got the following statement "the server 2008r2 process is still going "so I did a hard boot and then reinstalled the laptop to factory condition.
I again then attempted to install the VMware 9 and install oracle 11Rg2 database and install EPM 11.1.2.1 Essbase to completion but again the system installed Server 2008R2 but just sat there, so again did a hard boot on the machine and resetting the laptop factory condition.
My next attempt to complete this installation was as followed , loading on the window 7 OS, which I have done about 25 to 30 times with very few issue…… maybe not best practice but it has been working since last year..
Here is my process in detail, the laptop is restore to the factory setting, I installed oracle 11rg2 database and then did the install of essbase 11.1.2.1 .... I guess was just lucky all those other time 30 or so times.
But it did not work this time I still got the Error !!!!!! Host name Resolved to an IPS Address ….
I also logged on the Oracle database and saw in the system set-up that it was set to local host with the IPS Address to 172.17.158.194
AS For the DNS Name issue, I went in to the computer name and change it to XXXXXXXXX then restart the laptop but when I again attempted to start the installation of essbase 11.1.2.1 and still got the error Hostname resolved to an IPS Address. during the configuration, on this is on a window 7 ASUS machine , this machine is not on a network, I always set my machine as standalone sandbox box machine my personal training and development
This is the first time I have had this kind of issue with version 11,1.2.1 I install it on window 7, again I guess I have been luck all these time before…
I am using the same install file for EPM Essbase 11.1.2.1 since May of 2011.. But I have gotten new oracle database 11gr2.
with all this issue with this machine I going to buy a I7 machine with a Quad 4 hyper threading - 3670QM chip with 8 GB and a 750 hard drive hopefully I have better luck
Edited by: Next Level on Sep 23, 2012 9:50 PM

How do i resolve error 3014 on my iphone in laymand terms?

How do i resolve error 3014 on my iphone in laymand terms?

Error 1004, 1013, 1638, 3014, 3194: These errors may be the result of the connection to gs.apple.com being redirected or blocked. Follow these steps to resolve these errors:
Install the latest version of iTunes.
Check security software. Ensure that communication to gs.apple.com is allowed. Follow this article for assistance with security software. iTunes for Windows: Troubleshooting security software issues.
Check the hosts file. The restore will fail if there is an active entry to redirect gs.apple.com. FollowiTunes: Advanced iTunes Store troubleshooting to edit the hosts file or revert to a default hosts file. See section "Blocked by configuration: (Mac OS X/Windows) > Rebuild network information".
Try to restore from another known-good computer and network.
If the errors persist on another computer, the device may need service.

NLB Host Unreachable

Hi All,
Our SharePoint 2010 environment is using Microsoft NLB to cluster its front end web servers.
Yesterday, one of our active directory domain controllers was demoted and the server rebooted, this server also acts as one of our DNS servers. When it was rebooted, our SharePoint environment became unavailable; Users were getting prompted
with an authentication box. Looking into it further there is a Host Unreachable error between the 2 load balancers. After about 20mins the domain controller was promoted again, server rebooted and everything became available again.
Can anyone shed any light on why this may have occurred. Is it simply that the load balancers lost the DNS and the ability to talk to each other. If so why did it not use the secondary DNS server configured in windows and remain alive?
Or does the issue lie with the domain controller being demoted?
Any help appreciated.
Cammie

Hi,
I am not very similar the SharePoint, but it seems is the client use the FQDN to access the SharePoint resource, but when your DC demote the DNS have some issue. Please try
to ping the NLB virtual IP to see it reachable or not.
If at any point the DNS Client service receives a negative response from a server, it removes every server on that adapter from consideration during this search. For example,
if in step 2, the first server on Alternate Adapter A gave a negative response, the DNS Client service would not send the query to any other server on the list for Alternate Adapter A.
The related KB:
DNS Processes and Interactions
http://technet.microsoft.com/en-us/library/dd197552(v=ws.10).aspx
Demoting Domain Controllers and Domains (Level 200)
http://technet.microsoft.com/en-us/library/jj574104.aspx
Hope this helps.
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place.

Unknown resolver error

ive only managed to find another thread about this which ended up being a failed networking issue that caused this. the problem i have is that my networking is working fine as far as i can tell, ping google, resolve host names, all fine. only pacman seems affected. in fact im getting this text through an ssh terminal.
root ~ # pacman -Syy
:: Synchronizing package databases...
error: failed retrieving file 'core.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
error: failed retrieving file 'core.db.tar.gz' from mirror.archlinux.com.ve : Unknown resolver error
error: failed retrieving file 'core.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
error: failed retrieving file 'core.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
error: failed retrieving file 'core.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
error: failed retrieving file 'core.db.tar.gz' from mirrors.gigenet.com : Unknown resolver error
error: failed retrieving file 'core.db.tar.gz' from locke.suu.edu : Unknown resolver error
error: failed retrieving file 'core.db.tar.gz' from schlunix.org : Unknown resolver error
error: failed to update core (Unknown resolver error)
error: failed retrieving file 'extra.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
error: failed retrieving file 'extra.db.tar.gz' from mirror.archlinux.com.ve : Unknown resolver error
error: failed retrieving file 'extra.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
error: failed retrieving file 'extra.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
error: failed retrieving file 'extra.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
error: failed retrieving file 'extra.db.tar.gz' from mirrors.gigenet.com : Unknown resolver error
error: failed retrieving file 'extra.db.tar.gz' from locke.suu.edu : Unknown resolver error
error: failed retrieving file 'extra.db.tar.gz' from schlunix.org : Unknown resolver error
error: failed to update extra (Unknown resolver error)
error: failed retrieving file 'community.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
error: failed retrieving file 'community.db.tar.gz' from mirror.archlinux.com.ve : Unknown resolver error
error: failed retrieving file 'community.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
error: failed retrieving file 'community.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
error: failed retrieving file 'community.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
error: failed retrieving file 'community.db.tar.gz' from mirrors.gigenet.com : Unknown resolver error
error: failed retrieving file 'community.db.tar.gz' from locke.suu.edu : Unknown resolver error
error: failed retrieving file 'community.db.tar.gz' from schlunix.org : Unknown resolver error
error: failed to update community (Unknown resolver error)
error: failed to synchronize any databases

so this issue is caused by the mirrorlist file?
and im not really following exactly what you did...
you just used a rankmirrors gened file instead of the standard?
heres the output of pacman -Syu --debug
/extra/os/x86_64
debug: adding new server URL to database 'extra': ftp://mirrors.easynews.com/linux/archlinux/extra/os/x86_64
debug: adding new server URL to database 'extra': http://mirrors.easynews.com/linux/archlinux/extra/os/x86_64
debug: adding new server URL to database 'extra': http://mirrors.gigenet.com/archlinux/extra/os/x86_64
debug: adding new server URL to database 'extra': ftp://locke.suu.edu/linux/dist/archlinux/extra/os/x86_64
debug: adding new server URL to database 'extra': http://schlunix.org/archlinux/extra/os/x86_64
debug: config: finished parsing /etc/pacman.d/mirrorlist
debug: config: new section 'community'
debug: registering sync database 'community'
debug: opening database 'community'
debug: opening database from path '/var/lib/pacman/sync/community/'
debug: adding new server URL to database 'community': http://archlinux.unixheads.org/community/os/x86_64
debug: config: including /etc/pacman.d/mirrorlist
debug: config: attempting to read file /etc/pacman.d/mirrorlist
debug: adding new server URL to database 'community': http://mirror.archlinux.com.ve/community/os/x86_64
debug: adding new server URL to database 'community': http://archlinux.unixheads.org/community/os/x86_64
debug: adding new server URL to database 'community': ftp://mirrors.easynews.com/linux/archlinux/community/os/x86_64
debug: adding new server URL to database 'community': http://mirrors.easynews.com/linux/archlinux/community/os/x86_64
debug: adding new server URL to database 'community': http://mirrors.gigenet.com/archlinux/community/os/x86_64
debug: adding new server URL to database 'community': ftp://locke.suu.edu/linux/dist/archlinux/community/os/x86_64
debug: adding new server URL to database 'community': http://schlunix.org/archlinux/community/os/x86_64
debug: config: finished parsing /etc/pacman.d/mirrorlist
debug: config: finished parsing /etc/pacman.conf
debug: registering local database
debug: opening database 'local'
debug: opening database from path '/var/lib/pacman/local/'
:: Synchronizing package databases...
debug: using 'core.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'core.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
debug: using 'core.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'core.db.tar.gz' from mirror.archlinux.com.ve : Unknown resolver error
debug: using 'core.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'core.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
debug: using 'core.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'core.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
debug: using 'core.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'core.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
debug: using 'core.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'core.db.tar.gz' from mirrors.gigenet.com : Unknown resolver error
debug: using 'core.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'core.db.tar.gz' from locke.suu.edu : Unknown resolver error
debug: using 'core.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'core.db.tar.gz' from schlunix.org : Unknown resolver error
debug: failed to sync db: Unknown resolver error
error: failed to update core (Unknown resolver error)
debug: using 'extra.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'extra.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
debug: using 'extra.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'extra.db.tar.gz' from mirror.archlinux.com.ve : Unknown resolver error
debug: using 'extra.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'extra.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
debug: using 'extra.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'extra.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
debug: using 'extra.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'extra.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
debug: using 'extra.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'extra.db.tar.gz' from mirrors.gigenet.com : Unknown resolver error
debug: using 'extra.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'extra.db.tar.gz' from locke.suu.edu : Unknown resolver error
debug: using 'extra.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'extra.db.tar.gz' from schlunix.org : Unknown resolver error
debug: failed to sync db: Unknown resolver error
error: failed to update extra (Unknown resolver error)
debug: using 'community.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'community.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
debug: using 'community.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'community.db.tar.gz' from mirror.archlinux.com.ve : Unknown resolver error
debug: using 'community.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'community.db.tar.gz' from archlinux.unixheads.org : Unknown resolver error
debug: using 'community.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'community.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
debug: using 'community.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'community.db.tar.gz' from mirrors.easynews.com : Unknown resolver error
debug: using 'community.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'community.db.tar.gz' from mirrors.gigenet.com : Unknown resolver error
debug: using 'community.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'community.db.tar.gz' from locke.suu.edu : Unknown resolver error
debug: using 'community.db.tar.gz' for download progress
debug: HTTP_PROXY: (null)
debug: http_proxy: (null)
debug: FTP_PROXY: (null)
debug: ftp_proxy: (null)
error: failed retrieving file 'community.db.tar.gz' from schlunix.org : Unknown resolver error
debug: failed to sync db: Unknown resolver error
error: failed to update community (Unknown resolver error)
error: failed to synchronize any databases
debug: closing database 'local'
debug: unregistering database 'local'
debug: closing database 'core'
debug: unregistering database 'core'
debug: closing database 'extra'
debug: unregistering database 'extra'
debug: closing database 'community'
debug: unregistering database 'community'
all i really get with that is still Unknown resolver error.
Last edited by Kvbev (2009-06-23 09:43:06)

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Thanks John,
I have been able to ge the host name now, but whiel running configurator, its not able to connect to shared services schema, it says that ..cannot connect to Database, please check the databse connectiv ty details,
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How can I resolve error code -54 in iTunes? I am using the latest iTunes. No new updates are available.

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