Error Joining the AP-1242AG with 2106 controller

i have converted Autonomous 1242AG series Ap into lightweight mode.i am using 2106 WLC with software version 4.1.185.the Ap doesn't associate the controller .its produce the following error:
Mar 1 00:00:38.071: LWAPP_CLIENT_ERROR: lwapp_name_lookup - Could Not resolve CISCO-LWAPP-CONTROLLER
*Mar 1 00:00:48.098: %LWAPP-5-CHANGED: LWAPP changed state to JOIN
*Mar 1 00:00:48.099: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to administratively down
*Mar 1 00:00:48.099: %LINK-5-CHANGED: Interface Dot11Radio1, changed state to administratively down
*Mar 1 00:00:49.098: %LINEPROTO-5-UPDOWN: Line protocol on Interface Dot11Radio0, changed state to down
*Mar 1 00:00:49.098: %LINEPROTO-5-UPDOWN: Line protocol on Interface Dot11Radio1, changed state to down
*Oct 6 12:30:57.289: %LWAPP-5-CHANGED: LWAPP changed state to CFG
*Oct 6 12:31:02.289: LWAPP_CLIENT_ERROR_DEBUG: spamHandleCfgReqTimer: Did not recieve the Config response
*Oct 6 12:31:02.998: %SYS-5-RELOAD: Reload requested by LWAPP CLIENT. Reload Reason: DID NOT GET CONFIG RESPONSE.
*Oct 6 12:31:02.998: %LWAPP-5-CHANGED: LWAPP changed state to DOWN

Hi
I think we have experienced something similar and we did a 'more' on the env_vars file and found that the env_vars contained out of date IP default gateway information.
For example:
We established that the env_vars file contents have not been updating correctly. Documentation on the Cisco site suggests that changes to IP configuration information should be reflected in env_vars after a reload of the WAP.
This does not always seem to happen.
As an example, this env_vars contains the incorrect information that the static IP is XX.11.60.100, which is incorrect and at least least a year out of date, despite having undergone reloads since being reconfigured. Obviously, if the WAP comes up using this info, the gateway address etc. will not work...and the WAP is unable to contact the WiSM. We have also had a case where the incorrect DNS address is stored and used, which might be more of an issue for you looking at your output above.
WAPXXX#more flash:/env_vars
DEFAULT_ROUTER=10.0.0.1
ENABLE_BREAK=no
IOS_DEFAULT_DOMAIN_NAME=XXXXXXXXX
IOS_NAME_SERVER_ADDR=XX.11.159.122
IOS_STATIC_DEFAULT_GATEWAY=10.11.63.250
IOS_STATIC_IP_ADDR=XX.11.60.100
IOS_STATIC_NETMASK=255.255.252.0
IP_ADDR=10.0.0.1
MANUAL_BOOT=no
NETMASK=255.255.255.224
TERMLINES=0
We wrote a script to go around and delete all the env_vars files on the 1240 WAP but then discovered that the LWAPP migration tool forces a reload of the WAP that auto-generates the env_vars file that we just deleted, complete with the wrong information again!
I can offer no solution on how to stop the old information being written to env_vars, as I cannot find where it is stored in the first place, it must be somewhere in the flash, but am aware that other people in UK educational establishments have also experienced this issue without a proper fix being provided.
The usual solution appears to be to get the WAP on your desk, delete the env_vars file and then pull the plug on the power. DO NOT SAVE/RELOAD. Put the power lead back in and the WAP should come up without refering to the env_vars file and will take all and any DHCP info you are providing.

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Here are some articles that may help you:
http://docs.info.apple.com/article.html?artnum=107938
http://docs.info.apple.com/article.html?artnum=107921
http://docs.info.apple.com/article.html?artnum=304197
http://docs.info.apple.com/article.html?artnum=106424
http://docs.info.apple.com/article.html?artnum=106250
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Error joining the Airport network with 10.4.11

I have 2 machines at home, an aluminium iMac and a very old iBook (Icebook, dual usb port running all teh same software and OS 10.4.11). A couple of days ago while using the AEBS to serve music files to iTunes and surf the net it all stopped working. One minute it was ok, then it slowed right down then I got the error message and this was all on the iMac.
The thing is I've now reinstalled (clean) the OS on the iMac, done a few hard resets of the base station and I still can't connect, yet the old laptop can get on straight away and do all the things it always has done.
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many thanks.

Saul,
Try each of these on the iMac and see if it improves connectivity to your network.
*Reset Airport Service*
Launch System Preferences --> Network Preferences.
Highlight the Airport Service on the left.
Click the Action menu (tiny gear button) in the lower left.
Select "Make Service Inactive".
Then select "Make Service Active".
Click "Apply".
*Delete & Add Airport Service*
Launch System Preferences --> Network Preferences.
Highlight the Airport Service on the left.
Click the “-” button in the lower left to remove the Airport Service.
Next, click the “+” button and add an Airport Service.
Click “Apply”.
Note: Removing the AirPort interface resets your preferred AirPort networks. You will need to add preferred networks again.
*Reset Network/Airport Settings*
1. Go to Macintosh HD --> Library --> Preferences --> SystemConfiguration Folder
Drag the following files to the desktop:
com.apple.airport.preferences.plist
com.apple.network.identification.plist
NetworkInterfaces.plist
preferences.plist
Restart your Mac.
Go System Preferences --> Network.
From the “Location” menu select “Edit Locations”.
Click the “+” button and name it “Home” or “My Network”.
Click “Done”.
Highlight “Airport” on the left, and verify that your network appears beside “Network Name”.
Click “Apply”.
Click “Advanced…”.
Click the “Airport” tab, and add your network to the “Preferred Networks”list.
Click “OK” and then click “Apply” once more.
Now see if your connectivity issues are resolved. Later you can Trash the .plist files you dragged to the Desktop.
*Archive & Install*
As a last resort, an Archive & Install using your Mac OS X 10.5 (Leopard) installation DVD will usually resolve this issue. Then use Software Update to bring your system up to date. It appears that reapplying the recent updates in this condition, does not cause the problems to return.
Let us know if any of the above suggestions helped to resolve your connectivity issues.
Cheers!

I have an iMac G4 with AirPort with OS 10.4.11 installed. I keep getting an error message "There was an error joining the AirPort network "ATT5216." I called ATT U-verse - they were stumped. Any suggestions?

I have an iMac G4 with AirPort with OS 10.4.11 installed. I keep getting an error message "There was an error joining the AirPort network "ATT5216." I called ATT U-verse - they were stumped. Any suggestions?

I checked for the IP address, and I'm not pulling one
up.
That's the problem. Even with no base stations available you should eventually within a few minutes get a self-assigned IP of 169.x.x.x!
http://docs.info.apple.com/article.html?artnum=106659
Maybe you could manually configure an IP but that doesn't answer what's wrong. How about a simple test - create a new Location in Network System Preferences and see if that helps. If it doesn't then maybe a re-install of Airport or System software would help. If the Airport shows up as an available network port then the card is probably OK.

Error joining the selected airport network?

I'm trying to connect to my linksys wireless using WPA with a powerbook but no luck. My password which I know is correct (it's working on another G4 and my wife's Gateway. I get the following message when selected my network. "There was an error joining the selected airport network". I can connect via a neighbor's unprotected network, so airport is working. Other times I've tried it says password is incorrect.

Wi-Fi Protected Access networks normally require a plain-text password or passphrase. But in rare cases you may have to enter a string of 64 delightful hexadecimal characters.
The HEX password is derived from the plaintext password therefore you shouldn't need to create anything new. Check the linksys router for the HEX version of your plaintext password.
The AirPort interface doesn't welcome this wonderful practice by default (imagine that), but it's buried in there for when you need it. Just hold down the Option key while choosing your network from the AirPort menu, then you'll be set to enter all 64 of those easy-to-remember characters.
iFelix

There was an error joining the network..... help please

I got a mayday call from a friend with an iBook G4 and wonder if anyone here can help me help him solve this problem. He purchased and set up a Netgear wireless router at home about a year ago and up until a few days ago was able to connect fine wirelessly both at work and at home.
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He uses an access list so only he and his wife's computers can connect and deleted his iBook's MAC address, re-added it, restarted and still is receiving the error message.
He doesn't use any type of WEP or security, just the access list. Does anyone have any idea why this would just start happening? His other laptop (an iBook clamshell running OS9) is working just fine.
He's running 10.3.9 and is fully updated Thanks.

One possibility is that a neighbor or two has recently gone wireless recently. WiFi has had a huge surge of popularity just the past year. People tend to leave their base stations set to transmit on channel 6 as a default, which can result in interference. Try a different channel, like 1 or 11.

There was an error joining the network usr5450

Hello,
my girlfriend today bought her first mac. An iMac 20" C2D.
She was uncertain about it because she's a long time windows user but in the end she decided to switch to osx, oh happy day.
At first boot there was immediately a problem. The iMac could see the wireless network (usr5450 access point) but when it tries connecting to it after 20 secs it gives this error message: "There was an error joining the network usr5450".
So we decided to skip the network setup it during first boot and to do it later inside osx with more options.
NO WAY.
I'm clueless.
The network is NOT protected by wep or wpa (her sister's new out of the box vista/vaio connected immediately...oh, the horror!) and I was able to connect with my macbook pro automatically.
Every computer in her house connect wirelessly without problems execpt her new iMac.
I run an hardware test. Passed without errors.
We installed Osx update combo 10.4.9 and AirPort Extreme Update 2007-002. No change.
The network is like that: modem-dlink switch-us robotics 5450 access point.
Please, she's already regretting buying a mac, any help would be very appreciated.
Thanks

Welcome to Discussions, Riell!
Check to see if there is a firmware update available for the router.
The "there was an error" message you saw usually indicates something in the combination of the password and security method selected was not entered accurately or could not be accepted for some reason.
First, turn on AirPort using its menu bar icon.
Then open the Network panel of System Preferences. Click the "Assist me..." button at the bottom and click the blue "Assistant..." button in the drop-down box. This will open the Network Setup Assistant. Click the "Continue" button, then target "I use AirPort" and continue on to setup this new "location" within your iMac's Network perferences. Does this work for you? If not, what message do you get, or where do you run into a roadblock?

There was an error joining the Airport network

Re: error joining the Airport Network
My wife and I bought two new Macbooks at Best Buy on December 28, 2006. On the first day, I set them both up to work with our 2WIRE wireless router, and they both worked flawlessly.
However, on January 27, 2007, my wife started her MacBook, tried to select the wireless router in the Airport drop down menu (like she always has done before with no problem), and received the following error message:
"There was an error joining the Airport network "2WIRE229"
After several unsuccessful attempts to fix this problem by restarting and reconnecting, I did some research on the internet and came across the following discussions from other people who have experienced exactly the same problem:
http://discussions.apple.com/thread.jspa?messageID=3815739

I am having the same problem. I have an access point in my living room and a homework desk in my bedroom. My desk is maybe thirty feet from the access point through one wall. The desk does sit in front of a window. When I try to use my PowerBook at my homework desk I can, intermittently, pick up three access points: mine and two others. The two others are on the same channel as each other, but that should not be interfering with my access point and certainly shouldn't be causing it to disappear from the list all together.
Hoping that my signal just wasn't reaching well enough (the antenna on the AP was not very prominent) I bought a 6dBi antenna for it. My PowerBook has always worked in the living room and certainly works there now. I do get a much stronger signal in my bedroom but I still can't use the laptop on my homework desk.
What doesn't make any sense in all of this is that the wall in my room with the window is the same wall in the living room where there is a large sliding glass door. So, if the interfering signal is coming from outside it should be affecting the living room as well. I am at my wits end on this one.

There was an error joining the airport network "2WIRE532"

I just got my mac back from getting fixed for harddrive problems and now I'm trying to connect to the internet. Before I'd have some problems with losing connectivity but I always could connect. Now as I'm trying to connect to my wireless access point under the list of airport networks, it literally, right after I type in the WEP password, gives me the error message There was an error joining the airport network "2WIRE532". It looks like it doesn't even try to connect as fast as it does it. I need to know what's happening, I really want this mac mini networked to my network on my windows xp os computer.

I'm having the same problem. The only thing that was different was that we installed a new update from Apple for Quicktime.... then the next day it kept asking for a password (it didn't before) and then when it was entered, it gave me the same error message just a different network name.

There was an error joining the Airport network "NameOfTheNetwork"

Hi there
I am French in London for an internship. I took a flat to share with an other girl. My father advised me to take a Mac for my specific utilisation (internet, music, movies...) and Macs are so cool exept for internet in my case. It doesn't work at all. The network of my landlord is hidden. So, I go in "other", I type manually the network name and the WEP password... Always the same message : There was an error joining the Airport network "NameOfTheNetwork". I tried several times with always the unlucky result.
My landlord said that there wasn't this kind of problem with her other flatmates before me...
I am pratically sure that the problem doesn't comme from my Mac because I reached to join an unprotected other network which appear sometimes (but the signal is not enought strong).
Is there an incompatibility between my Mac and the setup Network? And what do I have to to do to fix it?
I visited a lot of forums but :
1-I didn't find any topics on my specific problem
2-There explanations (when the topic is closed to my issue) are not clear and seem not to correspond to my issue.
Is there someone who can help me please? I really need internet!!!!!
Emma

This confirms it is a WEP issue.
You will need to find the HEX key.
One of the problems with WEP is that the actual standard relies on a 10 character HEX key for 40bit WEP and a 26 character HEX key for 128bit WEP.
In order to make things easier for people, vendors use certain algorithms to convert simple alphanumeric passwords (or passphrases) into HEX keys, thus enabling people to use simple memorable WEP password rather than lengthy HEX keys.
The problem is that different vendors use different algorithms to generate the HEX key and therefore a ASCII password on an AEBS will be hashed differently on a Netgear client and vice versa.
One thing is a 13 character 128 bit WEP password will be hashed by all vendors in the same way (if you use 40bit WEP then a 5 character password is required).
Though sometimes not even that works and the HEX key must be used regardless.
AirPort: Joining an encrypted wireless network
http://docs.info.apple.com/article.html?artnum=106424
Choosing a password for networks that use Wired Equivalent Privacy (WEP)
http://docs.info.apple.com/article.html?artnum=108058

Error joining the AirPort Network - revisited

I just got my iBook back from the shop and am trying to reestablish the link with my Airport Express. I've reset the unit, gone through numerous hoops.
The AirPort Express currently has a green light, and my router shows it's connected. Yet, when I try to connect, or try to reconfigure, I get the message "There was an error joining the AirPort network "Apple Network xxxxxx""
I have no idea what firmware is on the unit, nor do I have the means to update the firmware if needed (as I cannot get a connection to it).
Yes, I have a good internet connection. I'm posting this on an older iBook ... which is not AirPort ready.
Thanks in advance!
Note ... This topic came up in June (2006) ... and is archived, yet unanswered.

Ciao all.
I'll tack onto this thread rather than starting a new one. It sounds like similar-ish territory.
We've had Airport Express for about three weeks after our Airport Extreme gave up the ghost after 14 months. We have a DSL modem connected to Airport Express, and three computers - eMac, iBook G4 and Powerbook G4 - connected wirelessly. Or we did, until tonight.
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And the network name would have disappeared from the Airport menu.
If I turned off Airport and turned it on again, the symbol would be greyed out, but the network name would be there. Only, when I tried to connect, I would get the dreaded An Error Occurred Joining The Selected Wireless Network.
And I couldn't access the Airport Express via either Set Up or Admin.
I rest the Airport Express back to factory settings. The Airport symbol remained greyed out, but the Apple default wireless network was visible in the Airport menu. But I would still get the dreaded An Error Occurred, etc message.
Through Airport Set up, I was able to detect the Airport Express' default name and even the network name, but still wasn't able to connect to it.
Trying again, I was told that no new Airport networks could be found.
I've had basically the same results trying all three computers.
In terms of lights, the Express will sit there with a solid green light through all these shenanigans.
The internet connection is solid. Plugging the modem straight into the computer puts me online.
Do we have - as I fear - a lemon of an Airport Express after three weeks?
Hopefully someone can ... help us ...
TIA
Mac OS X (10.3.9)
Mac OS X (10.3.9)

Get following message " There was an error joining the airport network

my windows pc's recognoze home network but get message when trying to connect macbook."There was an error joining the airport network but it does not describe the error.

Homer Leon wrote:
Why can't I connect to WiFi when asked for a password
Judging from what you wrote, because there is something wrong with the settings or the password or passphrase. Make sure all devices use the same type of encryption, and make sure you enter the correct password. WRT to this, read
AirPort: Joining an encrypted WEP or WPA Wi-Fi network
<http://support.apple.com/kb/HT1126>
AirPort: How to enter a hexadecimal 64-character pre-shared key for WPA
<http://support.apple.com/kb/HT3160>
I have removed the password requirement from some of my WiFi options
Bad idea.

Express - there was an error joining the apple network!

I have an Imac g5 that did not come with an airport expreme card, so I just bought one and installed it.
I'm also trying to set up a new airport express as my main base station for internet and stereo use. I have a green light on my base station, but every time I try to use the Airport Setup Assistant, I get the error message, "there was an error joining the apple network". My computer recognizes that there is a new network and asks me if I want to join it, but when I try to, I get that error message. I pulled out the extreme card and reinstalled it. I moved the AX right next to my computer . . . still nothing. I spent a half hour on the phone with Apple support, and he concluded that the AX was defective. I exchanged it, and am still having the same problem. HELP PlEASE!
My OS is 10.3.9
Imac G5 Mac OS X (10.3.9)

I checked for the IP address, and I'm not pulling one
up.
That's the problem. Even with no base stations available you should eventually within a few minutes get a self-assigned IP of 169.x.x.x!
http://docs.info.apple.com/article.html?artnum=106659
Maybe you could manually configure an IP but that doesn't answer what's wrong. How about a simple test - create a new Location in Network System Preferences and see if that helps. If it doesn't then maybe a re-install of Airport or System software would help. If the Airport shows up as an available network port then the card is probably OK.

My iCal won't go online and returns the error message: The server responded with "500" to operation CalDAVAccountRefreshQueueableOperation.

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OK Now I can answer my own question. The incomprehensible (inexcusably geeky) error message is actually Apple language for saying simply: "The iCloud servers are down again. Please wait until we've fixed them." I found this out by talking to Apple support. It took about 12 hours for the iCloud server synching calendars to come back online. When they did, my calendar reloaded, and everything was fine.

Error joining the airport network "..."

On Thursday I updated my software (including, I think, a security update) immediately after restarting, my wireless connection stopped working and I got the error message "error joining the airport network...". After several hours on the phone to apple it worked for about five minutes and several more hours on phone to apple later it is still not working and they have told me to take it to be repaired suggesting its the airport card. I am reluctant to accept this, finding the coincidence of it stopping working immediately after the update too much to believe.
I have deleted the keychain things, deleted a plist folder, taken off the security on the network, started and restarted everything millions of times (including doing a 'safe' restart)
I have the router configured manually to 192.168.0.2 and 192.168.0.1
Does anyone have any other ideas about what I can do to get back on wireless?
Very grateful for idiot proof type answers!

I AM SUFFERING A SIMILAR PROBLEM ! and this website is driving me mad, i cant even find the "make a new post" link, so i am writing my problem in here !
A few months ago i bought Airport Extreme card for my desktop mac... I use it to pick up a wireless network, only, the last few weeks, it cant seem to find this network, even when my friends laptop is right next to it, and picking up the wireless !
It doesnt seem strong enough to detect it...
It is airport extreme 3.4 , and yes, i have mac OS X 10.3.5
Whats going on ?? I need internet !
Thanks

Error Joining the AP-1242AG with 2106 controller

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