IChat Lost Connection

My iChat will connect and seem to be normal for a few minutes, but then it disconnects without my knowledge. I just stop getting messages or it will show a buddy speaking, and I just sit waiting for them to say something. People think I keep leaving chats, when really I have no idea I have gone away. Sometimes it will come up with a "lost connection" message.
I have tried changing my port from 5190, and have used the Interference Robustness setting. Neither worked.
I am also using Wireless if that helps, but my roommate using the same wireless connection seems to have no problem.
Please help! This is driving me crazy.

Try changing the channel on the router.
12:16 PM Monday; September 3, 2007

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IChat lost connection to AIM!?!?!?!

Everytime I try to go on to iChat this message pops up "iChat lost connection to AIM. The connection to the host was unexpectedly lost." Any help?!?!

Help! I've got the same problem and I've tried - port 443, 1080, 5091 and neither works. I can ping the aol server, use msn, but I cannot connect to AIM with ichat or with the standalone version AIM 4.7 for the mac. The web version doesn't seem to work either. I started a new account and i got the same error message at login - could not connect to aim - the connection tot he host was unexpedtedly lost. I am at a school, but the network guys have said that the application isn't being blocked and the ports should be open. I have a wireless macbook with os x tiger and a wired imac intel with os x tiger and neither work. any suggestions?

IChat "Lost Connection" | iTunes "-50 Unknown Error Occurred" Problems

Hello Everyone!
Since installing a wireless network in my house my MacBook Pro is having problems. Now, iChat won't connect and just says "Lost connection with AIM" as soon as I attempt to connect, although AOL Instant Messenger works perfectly. Also now when I am trying to purchase music through iTunes it says "-50 Unknown Error Occurred" and it recommends for me to check my network connection. The wireless connection is working fine for internet browsing but I am having all of these troubles with other programs. I am extremely confused. My network is WPA2 Personal, and I'm running 10.4.8. Please help!

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I can no longer log into my ichat linked to my gmail. right after opening up ichat, receive the following message: lost connection with jabber. the server has unexpectedly disconnected.

i can no longer log into my ichat linked to my gmail. right after opening up ichat, receive the following message: lost connection with jabber. the server has unexpectedly disconnected. how to troubleshoot? thanks.

Hi,
There can be many reasons why the Login is "up the creek".
Any break in the network at your end whilst logged in will cause an issue.
A sort of discrepancy between what iChat thinks the state should be and what the server thinks.
If they don't agree the server will refuse to accept.
A Crash at the server end which does not log you out properly will also do it.
Any file at any time can be come corrupted.
Luckily with the iChat .plists they are recreated if removed with an iChat Restart.
If it were AIM you can also get your Account Suspended and this will not log you in.
(It tends to happen from Chat rooms where people notify AIM about bad behaviour (as they see it) and you have to apply to get Un-suspended).
Most of the big IM services use multiple servers.
Sometimes these go out of Sync.
In the case of AIM this happens when they remove Old unused Screen Names from people's Buddy List prior to making them available for re-registration. I am not sure if this happens at Google.
You seem to be talking about an account that has worked at Work and having new computer at home.
As I mentioned the Priority thing you have not said that it has coincided with the new computer logging in (this will kick the work Computer out of Google whether you are logged in on the Web Mail page or in iChat)
IN addition to that iChat stays partially logged in for Off Line IMs
This is done in the background by a support app called iChatAgent
If your Computer is ON but ichat is not started people can still send you Messages.
Instead of saving these on the server until you login iChat will start up.
Depending if the home Mac is effecting the Work Login it may be holding sway over your Login.
Using your girlfriend's login may have booted her Off Line where she normally uses the name/login.
The AIM Side can be specifically set to allow Multiple Logins and therefore NOT allow them. If this happens you get a warning and messages to do something about it.
You do not get these in any Jabber or Google Login as the Priority setting is supposed to take care of it.
If the Login works at the Web Mail Login and on one computer then the .plist on the work computer is the most likely issue.
There is a small chance that a Corrupt Buddy Pic (Home Folder/Library/Caches/com.apple.iChat/Pictures) may be the cause.
Set this folder to icon view and also use the Finder's View Menu > Show View Options and select icon view.
This should show all pics as their icon.
Check that all display properly.
At this point I would try a COMBO version update install of the last Update you did over what you have.
This often corrects hard to trace things
The 10.5.8 COMBO is here
11:28 PM Monday; June 20, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
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Every time I try to sign on it says that ichat lost the connection to the AIM account and the server connection was unexpectedly lost. How can I fix this?

Every time I try to sign on it says that ichat lost the connection to the AIM account and the server connection was unexpectedly lost. How can I fix this?

Note For others.
For the Port Changes (or server names in some cases) you have to be logged out to make changes on the Server Settings pane.
9:41 PM Friday; October 28, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb( 10.6.8)
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IChat lost the connection to the aim account

Please help i do not know how to connect to ichat the account worked for awhile and now wont it says that it is connected but my contacts never load and eventually a window with the message "iChat lost the connection to the aim account the server connection was lost unexpectedly" appears

Try logging on to AIM on port 443 rather than port 5190.
Go to IChat in the menu bar > Preferences > Accounts.
Log out of AIM and then use the Server Settings tab
Set the port to 443(press return/enter(you might have to tick and untick SSL for 443 to stick)).
Log back in again.

"Lost Connection with AIM" repeatedly

Hi there,
I'm using a new Linksys WRT54GL router with the DD-WRT v23 firmware -- which is otherwise fabulous, by the way -- but since going with the router iChat has been pretty unreliable. I can't connect to my sister in England (I'm in Canada): we keep getting "insufficient bandwidth" errors (I'm on a very hi-speed cable internet connection, so I don't think it's me!). Moreover, AIM frequently kicks me off iChat with the message "Lost connection with AIM".
I've configured my router using instructions linked from this forum. I'm forwarding the following ports to my computer:
5060
5190
5220
5222
5678
16384
And while I can connect to other users okay (except my sister, it seems), staying connected it a real issue. Can anyone recommend a fix?
Thanks,
Aaron.
PowerBook G4 15-inch 1.67 GHz Mac OS X (10.4.5) The last PowerBook ever!

Hi Aaron,
This last port should be a group of 20 ports (16384-16403)
iChat needs 4 ports from this group to do 1-1 Audio or Video chats.
Many Linksys have UPnP. It is found in the Administration tab. If you have this you could use this. Disable the Port Forwarding if you do.
Also port Forwwarding points to one IP/computer. If this is the case for you and you still have the device doing DHCP there is a cance you computer's IP has changed if it goes to sleep or is shut down when the lease time runs out.
Check this on your computer and the Port Forwarding settings.
10:26 PM Monday; February 27, 2006

"Lost connection with AIM" error message

Hi all,
I've been a long-time iChat user — I've had very few problems, but now, at home, whenever I've been connected for about 10-15mins, iChat just disconnects with the simple iChat Connect Alert that the app has "Lost connection with AIM. The connection with the host was unexpectedly lost."
My Buddy List collapses to a "disconnected" header and I diappear from my Buddies' buddy lists. If I'm in the middle of a chat (video, audio or text), the chat continues uninterrupted, but I still disappear from people's lists as if I'd disconnected manually. Weird.
The net result is that I have to keep checking to see if I'm connected and then reconnecting all the time. A real pain in the proverbial.
It only happens at the house. My laptop doesn't disconnect if I'm at the office, for instance.
I have cable, coming in to Netgear 814v2 router; out to an 8-port gigabit switch, which then feeds my three main machines. All via ethernet cabling.
All machines have the same problem described above.
I've made the usual Quicktime setting changes.
I've listed the necessary ports in my Mac firewall settings (even though the firewall is turned off).
Each machine has a dedicated IP issued by the router (10.0.0.2 thru 10.0.0.5)
The router firmware is up to date.
What else is there?! I have no problems initiating or joining any sort of chat with my buddies around the world. I have excellent bandwidth. My internet and email are never interrupted 24/7.
Can someone help me? Pretty please?
17" Powerbook G4 & Dual G5 2.5Ghz Mac OS X (10.4.7)

Hi
Try this log on to AIM on port 443 rather than port 5190
Go to IChat > Preferences > Accounts.
Log out of AIM and then use the Server Settings tab
Set the port to 443.
Log back in again.
Tony

Disk Utitlity has "Lost Connection" with Disk Management tool"

[ Edited by Apple Discussions Moderator; please start a new topic about your technical issue. ]
Running OSX10.3.8
I installed:
"iTunes" (6.0.2)
"iPod Updater 2005-11-17" ((null))
"iChat Update" (2.1)
Went to repair disk permissions
I get this error:
Disk Utitlity has "Lost Connection" with Disk Management tool" Please quit Disk Utility.
then it says quitting Disk Utility may render the disk useless. Stopping the scan just gives a "stopped by User" red text message in the DU screen.
Had to Quit. No other way out.
Now it will not repair "or" verify Disk permissions at all.
What to do?
Powermac G4 1.25ghz, OS9/OSX Mac OS X (10.3.8)

Getting the same results booting off of the install CD. I even ran fsck -y after a soft boot(command S). Note I also installed the iPod updater and iChat update.
I'm getting a crash log that has to do with DiskManagement
Path: /System/Library/PrivateFrameworks/DiskManagement.framework/Resources/DiskManage mentTool
I tossed the pref file for Disk utility and tried to locate a pref for the Disk Management but nada...
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Is there a way to do an iTunes Uninstal and reinstall a previous version?
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IChat not connecting to AIM server

for the last 2 days when i open iChat it signs on for 2 seconds, then immediately signs off and says "Lost Connection with AIM"
I've never had this problem before and everything had been working fine. why is this happening and how do i fix it?

Hi
Have you tried logging on to AIM on port 443 rather than port 5190
Go to IChat > Preferences > Accounts.
Log out of AIM and then use the Server Settings tab
Set the port to 443.
Log back in again.
Tony

Ichat losing connection with aim host

my ichat always disconnects and says "lost connection with aim host" what does that mean? also, when im signed on i am able to send messages to others and it appears that im online, but really im not because i dont recieve anyones ims. i've talked to friends who say im not online when it appears that i am on when i look at my computer. why do i have this problem? what is wrong with my ichat?
powerbook G4 Mac OS X (10.4.6)

Hi Irobin,
I am puzzled by this at the moment.
Deleting the .plist file would normally sort this.
Can you create a test Mac User account on your Mac.
Set up iChat with exactly the same Screen name in this new account.
Does this work ?
You will only see the screen names unless you export the other (Mac Account) Address Book details and import them into this account's one. This can be done though the Backup option the Address Bok has.
10:46 PM Sunday; July 9, 2006

Mac lost connection to my account iMessage

My mac lost connection to my iMessage account. All the names of my contacts are signed in red (and not in green as usual), and I can't send SMS.
Is there a reason that my mac is doing this? please help
MacBook Pro (15 inch, late 2011)
2,2 GHz Intel Core i7
4 GB 1333 MHz DDR3
Mac OS X Yosemite

Do a backup.
Quit the application.
Go to Finder and select your user/home folder. With that Finder window as the front window, either select Finder/View/Show View options or go command - J. When the View options opens, check ’Show Library Folder’. That should make your user library folder visible in your user/home folder. Select Library. Then go to Preferences/com.apple.iChat.plist. Move the .plist to your desktop.
Restart the computer, open the application and test. If it works okay, delete the plist from the desktop.
If the application is the same, return the .plist to where you got it from, overwriting the newer one.
Thanks to leonie for some information contained in this.

HT2515 i chat says it lost connection to aim, but I'm on my internet, what do i do

i chat says it lost connection to aim, but I'm on my internet, what do i do

HI,
Open iChat
Use the App Menu > Preferences > Accounts
Select the account they is not Logged in
GO to the Server Settings
Untick the SSL option
Change the port to 443
GO to the Account Info Tab and "Enable this account"
9:42 PM Tuesday; September 4, 2012
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 iMac 2.5Ghz 5i 2011 (Lion 10.7.2)
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 Mac OS X (10.6.8),
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*Adding new items/removing orphans*
Try iTunes Folder Watch or iTunes Library Updater. Folder Watch is much faster on the adding files front, can be set to run in the background and includes a useful exclusion feature, however it’s slow at removing orphans. iTLU is better for this although doing it manually after looking at a list of proposed removals generated by Folder Watch is probably faster still. iTLU can also be set to update iTunes when you've used 3rd party tools to change tag info.
You may need to amend the list of file types these programs look for. My list includes:
.mp3 .mp4 .m4a .m4b .m4p .m4v .mov .wav .aif .mid .ipa .ipg .ite .itlp .m4r .pdf
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Hi and Welcome to the Community!
With a strong carrier network signal (e.g., not merely WiFi), I suggest the following steps, in order, even if they seem redundant to what you have already tried (step should result in a message coming to your BB...please wait for that before proceeding to the next step):
1) Register HRT
KB00510 How to register a BlackBerry smartphone with the wireless network
Please wait for one "registration" message to arrive
2) Reboot
Pre-BB10 Devices ONLY. With power ON, remove the back cover and pull out the battery. Wait about a minute then replace the battery and cover. Power up and wait patiently through the long reboot -- ~5 minutes.
BB10 Devices. Hold the top button down until the counter reaches zero. Wait for the device to be fully shut down (e.g., nothing at all displayed on the screen, no LED lights, etc.). Hold the top button until the red LED is lit. Wait through the full boot-up process. IF this fails, you can attempt the battery-pull method above, but it is normally NOT recommended unless nothing else works.
See if things have returned to good operation. Like all computing devices, BB's suffer from memory leaks and such...with a hard reboot being the best cure.
Hopefully that will get things going again for you! If not, then you should contact your mobile service provider for formal support.
Good luck!
Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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IChat Lost Connection

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