Airport dropping connection frequently w/ large files

I have Comcast Xfinity internet with a pretty fast connection (i recently upgraded to a new modem that gave me a boost) with 1 Airport Extreme and 2 Airport Expresses. Although my speeds are pretty good, pretty much everytime i try to download or upload a large file the internet times out. I think the problem is with the airport because if i turn airport off and on (at the computer) the internet comes back quickly...anyone have ideas of what this might be or are there any good trouble shooting threads people have seen?

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Remote Desktop Connection Drops when opening a large file or Transferring a large file

I am running a Dell R720 Windows 2008 R2 Server. When I open a Large PDF or transfer a large file to the server, the server drops the remote desktop connection. I do not see any errors and no events are reported. I can access the server via
iDRAC 7 enterprise and the server is still up and functioning properly; however, the remote desktop connection can only be restored after the server is rebooted. I have read the following article below do not see any conflicts.
http://support.microsoft.com/kb/2477133/en-us
That said, the issue happens when:
1. opening a large PDF
2. Using a UNC path to transfer a large file
3. Using Hyper-V to import a .VHD (another large file)
Any help is appreciated - Thanks in advance

Hi,
Thank you for posting in Windows Server Forum.
Does this issue facing for single user or multiple users?
Have you tried on other system? IS it, facing same issue.
From description it seems network issue, please check whether there is any drop for network connection or it works on low bandwidth. You need to see there is no loss from bandwidth perspective. There are other certain reason which can drop the connection or
performance as remote desktop works on many different points.
For try you can autotune disable and check with following command.
netsh interface tcp set global autotuning=disabled
To renable follow beneath command
netsh interface tcp set global autotuninglevel=normal
When you are remote desktop to the remote server, please set the connection speed accordingly to optimize performance and might it will resolve your case of dropping connection.
More information.
Announcing the Remote Desktop Protocol Performance Improvements in Windows Server 2008 R2 and Windows 7 white paper
http://blogs.msdn.com/b/rds/archive/2010/02/05/announcing-the-remote-desktop-protocol-performance-improvements-in-windows-server-2008-r2-and-windows-7-white-paper.aspx
Hope it helps!
Thanks.
Dharmesh Solanki
TechNet Community Support

TimeCapsule (and AirPort extreme too) hangs on large file transfers

Greetings,
I got a following problem. I had install AirPort connected to my router with copper and extend network with TimeCapsule. TimeCapsule have two USB drives attached, AirPort - one USB. When I am transferring a large file, in a magnitude 2-3Gb or multiple simultaneous transfers of smaller files to/from those USB drives, depending on which drive I am using the AirPort or TimeCapsule get crashed. For plain user it is looks like as of sudden, data transfer stops, led in a front keeps green, and I can not reconnect to the drives. If I powercycle TC or AES everything get back to normal. Are there anyone else experiencing the same issues and if yes, what would be solution ?
Thank you.

I think we have tried almost every combination of disabling Large Send Offload, TCP offload, IP SEC Offloading, VMQ and Receive Side Scaling possible - in the various places there are - although I will be quite honest - as there are 3 places to do this
for each Server (the related physical and virtual NICs on the HV Server, and also the NIC in the VM) it is possible we may have missed an iteration...
During our testing we have noticed that the symptoms of the problem gets worse the higher the transfer speed is. For example if you transfer to the VM from a desktop with a 100Mbs NIC, there will be subtle lag and a transfer speed of say 10 or so KBs ,
if you use a device with a 1Gbs NIC, you on average achieve 50-70 KBs transfer speeds and the higher the number, the worse the GUI / Server locks up (although the transfer completes just fine).
We also tried throttling the bandwidth via the 2012 GUI - to see if that helped, but none of the changes we made seemed to work, and we did not have time to try the powershell way of doing this.
We did replace one of the VM's NIC with a legacy one as part of our testing today, and now data transfers to the VM from a PC with a 1Gbs NIC run slower at around 30-35 KBs and the are no noticeable GUI freezes, although during the large transfer
it looks like 1 in every 30-40 packets is dropped in a continual ping that runs during the transfer period.
We have done a lot of cable replacing today (out of diligence) but there seems to be no noticeable issue. We also tried and older NC380T dual port NIC we had available and used the standard driver Windows offered instead of an HP one, but the problem
was identical no matter which NIC we used.

Airport Extreme, Airdisk, and Vista - large file problem with a twist

Hi all,
I'm having a problem moving large-ish files to an external drive attached to my Airport Extreme SOMETIMES. Let me explain.
My system - Macbook Pro, 4gb ram, 10gb free HD space on macbook, running latest updates for mac and vista, external hard drive on AE is an internal WD in an enclosure w/ 25gb free (its formatted for pc, but I've used it directly connected to multiple computers, mac and pc, without fail), AE is using firmware 7.3.2, and im only allowing 802.11n. The problem occurs on the Vista side - havent checked the mac side yet.
The Good - I have bit torrents set up, using utorrent, to automatically copy files over to my airdisk once they've completed. This works flawlessly. If i connect the hard drive directly to my laptop (macbook running bootcamp w/ vista, all updates applied), large files copy over without a hitch as well.
The Bad - For the past couple weeks (could be longer, but I've just noticed it recently being a problem - is that a firmware problem clue?) If i download the files to my Vista desktop and copy them over manually, the copy just sits for a while and eventually fails with a "try again" error. If i try to copy any file over 300mb, the same error occurs.
What I've tried - well, not a lot. The first thing i did was to make sure my hard drive was error free, and worked when physically connected - it is and it did. I've read a few posts about formatting the drive for mac, but this really isnt a good option for me since all of my music is on this drive, and itunes pulls from it (which also works without a problem). I do however get the hang in itunes if i try to import large files (movies). I've also read about trying to go back to an earlier AE firmware, but the posts were outdated. I can try the mac side and see if large files move over, but again, i prefer to do this in windows vista.
this is my first post, so im sure im leaving out vital info. If anyone wants to take a stab at helping, I'd love to discuss. Thanks in advance.

Hello,
Just noticed the other day that I am having the same problem. I have two Vista machines attached to TC w/ a Western Digital 500 gig USB'd. I can write to the TC (any file size) with no problem, however I cannot write larger files to my attached WD drive. I can write smaller folders of music and such, but I cannot back up larger video files. Yet, if I directly attach the drive to my laptop I can copy over the files, no problem. I could not find any setting in the Airport Utility with regards to file size limits or anything of the like. Any help on this would be much appreciated.

AirPort Dropping Connection

Hello. I've been experiencing some issues with my AirPort 802.11n equipment dropping connections.
The problems usually occur when I'm participatig in bandwidth intensive activities, such as gaming, or streaming movies. What'll happen is that the connection will fail, and I will be unable to see the base station in AirPort Utility.app. Quite simply, it's like there is no base station, even though OS X says I'm connected and have full strength. I am unable to connect until I manually restart the AirPort.
It should be noted that the same issue occurs on the iBook G4 (wifi), MacBook (wifi), and Dell Dimension (ethernet) computers that also utilize the router. Every Mac is running 10.4.10 with the latest updates, etc...
I have already changed the channel (1, 6, 11) with no success and changed the wireless security (WPA2 Personal -> WPA/WPA2 Personal), with no success. I would've taken it back to the Apple store, but I can't find my receipt and believe that it's been > 30 days.
I've also noticed that Network Utility.app has shown a lot of receive/send packet errors, even when simply web browsing.
So can anyone help?
Message was edited by: MSFT

Greetings,
I have had the AEBSn since they were first released and I have never had an issue, the same as the one before it, - I have a powered USB hub with two printers and two external harddrives on it and it has never missed a tic.
However, I do have a friend who had a messy network setup using a Linksys AP/Router, a couple of little Netgear switches and other convoluted materials, parts and pieces. His connections were dropping a lot, he told me, and I was asked to look into it.
I disassembled all of it and started fresh. I reset the AEBSn back to factory, removed the Linksys and one of the switches. This was all he needed - no "N" class stuff involved.
When you reset the station, unplug everything from it, use an ethernet cable, reset, power off for a minute. Power it up connected only to the Cable/DSL modem - let it stand for a minute or two picking up all of the necessary input from the ISP, unless you have to put it in manually.
Reset your computers, Mac or PeeCee by removing all previous connection information, leave everything on auto, and then one at a time reconnect to the AEBSn and let them find things on their own. The Windows machines may need a little help, depending on which OS they are running. After a few minutes you should be connected.
Try that and see if it helps. It worked for my friends setup and he has never dropped a connection or lost his harddrive sharing. Thats been over a week of study use. He's a Bit Torrent user, probably stealing music or software - who knows, but he's a happy camper.
Good Luck,
M.

2.1 ghz 667 mhz airport drops connection after snow install

installed snow 10.6.8 airport extreme and express airtunes drop connection or has weak connection must restart

I have shown the problem to the Genius Bar several times. The great people at the Genius Bar know there is a problem, but they are not getting the answers/solutions they need from corporate.
I believe that Apple Corporate has decided that it is more important to have Steve "market" some new ideas at upcoming developer meeting then to make its existing users happy by solving this problems. Many of us who have been loyal MAC users since the 1980's are being "screwed".
If Steve does not to continue to "razzle and dazzle" at these announcements the Stock Market Analysis get crabby and whinny and say that "Apple" is "bad". Which we know is wrong!!! So us users are held at bay so a big announcement can make the stock analysis happy.
Another American company is afraid of being bushwhacked by the "Mental Midget" Stock Market Analysis who thinks "they" control the economy. People, AMERICANS control the market. Our ingenuity and creativity have and always made this country great, not some "Mental Midget Stock analysis who lacks ethics and morals and filled with self-centered greed think that THEY control the economy.
Over the last 20 years the "Mental Midgets" anylsis have done more to screw up the country the the elected officials. These "MM" anlysis need to get out into the real world and see how they have screwed up our economy!!!!!!!!!!
I think I am a little upset, what do you think????

AIrport dropping connection - new wrinkle

This just started happening for me in the past 10 days. I cart my MacBook Pro back and forth to work. At home I connect through a Linksys wireless router that holds a Sprint Broadband access card. At work I connect through a D-Link wireless router connected to my work network. Both use WPA2 Personnel security. At home there are 3 other users (my wife through an ethernet cable to the router, and my sons through earlier-generation Airport cards).
Work is universally working. At home, however, I am getting the dropoffs described in other threads in this forum. Sudden drop - won't even see the router for 10-30 minutes - then all can be fine for hours before it drops again.
Quite annoying.
I have reset the Linksys router firmware to the latest version with no help. I applied keychain first aid. I did an entire Archive and Install of my 10.5.2. My hard drive and permissions are copasetic. My parameter ram is so zapped that it weeps when I reach for the P or R keys. No help.
---Ken (does any of this spark a flash of insight in anyone?) Franklin

OK, I have a ritual that works.
When I first wake my computer from sleep (or turn it on), I let Airport find and log on to the home Linksys network. About 10 seconds after I start up my browser, it drops - and I quickly turn Airport off.
Then I wait over 5 minutes, turn it on again, and everything is fine - no dropouts for as long as the machine is on and awake. If I don't wait 5 minutes, it will either not see the network, or try to log on and "connection timeout".
This has got to be a clue. Is there a log that can provide more details? If so, where is it?
--Ken (over 100,000 files on this hard drive - gotta be SOMETHING) Franklin

Firefox drops connection frequently while playing games on facebook

Frequently, i am told by the website,,Facebook games, that my connection to the internet was lost,,ok i have Cox cable internet,,i can run anything else for hours if i choose to but for some reason the games on facebook drop the connection every few minutes,,usually about my third click durning game play,,,i have sent in a lot of crash reports but i get no help,,,they just say crash report sent reload or refresh this page to continue,,
== User Agent ==
Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.155; Windows NT 5.1; Trident/4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; .NET CLR 1.1.4322)

What OS?
What browser?

AirPort drops connection after waking up from sleep?

Hi, this situation only occurs on my university campus. My university has a 802.11b wireless network. It makes up about 28 hotspots blanketing the entire main campus, it has a 128bit WEP encryption 26hex and a proxy.
If I attempt to connect the first time, I would get connected. Once I put it to sleep then wake it up, it loses the connection and I would not be able to reconnect (while being bombarded with the error message, "There was an error joining the AirPort name 'xxxxx'") until approximately one hour has passed.
All troubleshooting steps have been tried (deleting p.list files, caches, keychains, reseting AirPort, reseting PMU and PRAM, reformatting HD, you name it, it's been done by my university's computer staff and by a Genius).
I'm currently frustrated not only I can't resolve this issue, but there's finger-pointing from both sides (Apple Genius blaming my Temple Univ wireless network, then Temple blaming on my AirPort's drivers/hardware) and there's nothing conclusive I can prove to both sides (not to mention my MacBook is only 1 week old and only 2 people including me have reported this issue at Temple). I have done one experiment to show that my home Linksys router with 128bit WEP encryption works flawlessly and to testify saying that the previous Core Duo MacBook I had work flawlessly with the Temple wireless network.
Any suggestions?
White MacBook 2.0GHz Core 2 Duo Mac OS X (10.4.8) 2GB RAM, 120GB HD

Welcome to the Apple Discussions!
This may not actually "solve" the problem, but it may help you bypass it. On my MacBook, I have a network location called "No Networking". I use this location in between some other networks when I have trouble switching (for example, I can switch from my home AirPort network location to my work Ethernet location without any problems, but I can't seem to go the other direction). The "No Networking" location has ALL of the network ports disabled. This is also helpful if you're on an airplane or somewhere you know you won't be using the network because the AirPort card and the Ethernet port actually use battery power to run if you're not plugged into the AC power. So, turning off the ports saves you a few minutes on battery power. So, when I arrive at home, I switch from my "Work Ethernet" location to my "No Networking" location, pause for a couple of seconds and then select my "Home AirPort" location and everything seems to be fine.
To do this, open the Network System Preferences and use the "Location" pop-up menu to create a "New Location". Give your new location a name like "No Networking". Then select "Network Port Configuration" from the "Show" pop-up menu. Uncheck every port and click the "Apply Now" button.
I have a different network location for each of my possible networking options I encounter. When I have trouble moving between two, I just select the "No Networking" location from the Apple menu and then I select the right network. See if that doesn't help some.
-Doug

A1084 AirPort Dropping Connections

I have a A1084 AirPort and it keeps dropping the connection. Sometimes it will drop a connection daily and sometimes it might wait and only drop the connection every couple of days. Is anyone else having similar issues or who could provide me with a solution?

This is discussed here:
http://discussions.apple.com/thread.jspa?threadID=1397364&start=60&tstart=0
The problem dates from 10.5.1 and 10.5.2 did not fix it. No-one has a workaround, either. Bad bug, that.

Airport Drops Connections - Used to Work Flawlessly for 3 Years

I've read some other posts on Airport but they seem to be able it not working at all...
Mine works once I restart it. It seems to drop about every two weeks, but the thing is that it never used to do this. Ever. It worked fine for over 3 years and now it does this.
Is it just dying? Or is there something I can do to make it work as efficiently as it used to? At first I thought it was my internet connection, but that works fine when I connect through ethernet.
Any advice would be awesome. Thanks!

Me and you are in the same boat. Had mine for the same amount of time. Never a problem. Been reading around web post. Suggestion was to downloaded app iStumbler 2 (nothing in it for me, just passing on what I received), the software displays all wireless networks around you. Reason I got the software was in a post I read, it indicated using this app to find if someone around you is on that same frequency. I checked mine and found another network around me is on the same frequency. At the time the express started acting up was about a month ago. I recently new neighbors moved in across the street. I have never seen this network prior to the neighbors moving in (using airport software) and didn't have the problem before they moved in. Just trying to put two and two together. Has anything changed in your area? Maybe a new network same frequency thing? Currently reading about how to change my frequency on the airport express. Hope the information helps.

Macbook 2013 Early, Dropping connection frequently (BCM4331 rev02)

I've tried using broadcom-wl-dkms and broadcom-wl drivers from the AUR using NetworkManager and netctl,
Also blocking other drivers in a blacklist.conf
blacklist bcma
blacklist b43
blacklist b43legacy
blacklist brcm80211
blacklist ssb
I have a good connection for 1-2 min with 10 ms and then it drops a bunch packages in a row. This happens on all networks I've been on (more then 5).
But the connection keeps dropping, any idea's what i can do?
lspci | grep Network:
03:00.0 Network controller: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02)
ping statistics:
--- telia.se ping statistics ---
350 packets transmitted, 310 received, +4 errors, 11% packet loss, time 404878ms
rtt min/avg/max/mdev = 10.988/38.860/1168.563/136.520 ms, pipe 4
iwconfig:
wlp3s0 IEEE 802.11abg ESSID:"Basement"
Mode:Managed Frequency:2.437 GHz Access Point: E0:91:F5:FE:F6:26
Bit Rate=78 Mb/s Tx-Power=200 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=70/70 Signal level=8 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
No dmesg error output.
Thanks
Rawa
Last edited by rawa (2014-10-24 15:30:07)

Looks like a driver bug. You could try multiple things, as a start:
- switch channel
- toggle encryption
- different usb port

Airport dropping connection while downloading...

I have a problem while downloading torrents from azureus. It only happens when I'm downloading from that app. never from iTunes or amazon. My internet connection still show good on the modem and the green light is still on the Airport. But I lose all bars showing on my computer.
Any ideas?
thanks.
zak

I edited my post and it seemed to post twice.

Insider news on Airport Dropping connections!

After being on the phone to the apple technical support team for nearly 2 hours, the lovely woman I spoke to told me that a fix is being released for those of us who are randomly losing their airport connections!
HURRRRAH!

great... my Mac is next to useless at the moment... having to post this from my work Windows laptop!!...
Did she happen to tell you when this fix was being released??
Thanks

Can you stop air drop midway in a large file transfer?

I'm moving 400 photos from my laptop to desktop Mac. It's taking a very long time. Can I stop without screwing things up?

Erik,
I never worked on this software before, but did you check [Agile Documentation|http://www.oracle.com/technology/documentation/agile.html] and see if it mention anything about the file size?
You may also review these documents and see if it helps.
Note: 758844.1 - Fileload Fails Loading Of Files With Filesize Greater Than 2 GB on AIX Platform
Note: 736962.1 - What are the Limitations of File Management Server (FMS)?
Regards,
Husein

Airport dropping connection frequently w/ large files

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