Slow upload to disk, but download is fine?

Is anyone else seeing significantly slowed uploads to Airport Disks? Like on 5GHz, 802.11n, with 7.2.1 and 10.5.2 I'm getting approx. 1MB/s ... whereas with downloads I am seeing 4-8MB/s. I recently replaced the disk, so not sure if something is screwy there - I'll connect the old one and give it a try this weekend.
I was started seeing this problem with 7.2 firmware, too - which is why I tried upgrading to 7.2.1 again (downgraded to 7.2 a few months ago to get more stable disk behavior).
Transferring from 802.11n (leopard) to 802.11n (tiger) is faster than to the Airport Disk, but also not nearly as fast as it used to be ... I'm seeing maybe 2.2MB/s - but I've easily seen 8+MB/s doing a system-to-system transfer between these two exact systems.
Using WPA2 security, but that's been enabled since I've had the AEBS (802.11n).
Not sure if this is only since 10.5.2, or if it was in 10.5.1 as well ... seems like it was more recent than upgrading to 10.5.1 (I've only recently noticed this slowdown, and 10.5.1 has been out for a while).
Cheers,

I have three computers on a AEBS, iMac 2.4 802.11N, MacBook 2.2 802.11N and an old Ti Book 400 with a Belkin USB wireless modem 802.11G. While trying to download the OSX 10.5.2 combo 343 megs the other day, I noticed that it was going to take 14 hours on my IMac 802.11N and when I checked out the TI book using Speed download, it was going to take 1 hour 20 mins for 340 meg file. The upgrade was downloading at 85 kbps on the Ti Book and 6 kbps on the iMac 802.11N I downloaded it on the Ti Book and indeed it took just less than two hours. I tried downloading the 10.5.2 on the iMac twice and it would get to 289 megs both times and quit after an all night run.
Must be set up wrong or the Belkin USB wireless device is a super piece of equipment. Any one seen this problem?

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Upload at 0 mb/s but download is fine

so about 3-4 hours ago my internet cut out and when it returned my upload speed was at 0 mb/s
trying to get a speedtest now..
i've checked all of my wires, turned off the router and all that but nothing has worked.. it's even taken me about 20 minutes to even type this out because of the errors i'm constantly getting
speedtest from a couple hours ago: http://speedtest.net/result/2382908618.png

Try re-booting your PC,then try the BT speedtester again,but make sure that you have Java installed in windows updates and/or programs.
If that does not work,I don`t usually suggest this,but try turning your Modem & Router off at the mains socket,wait 5 mins,then turn them on again,,Modem first.
If that fails you night have to check that your windows internet adapter settings are correct.
And BTW always use a wired [ethernet] connection when doing the BT speed and profile tests.

Insanely slow upload speeds with normal download speeds -- can anyone help?

I have done LOTS of troubleshooting and I'm coming up blank. I've just moved from CA to HI and have a new ISP, but other machines in the house are not having this issue. I'm having a very difficult time figuring out why I can no longer upload files larger than 1 mb without lots of network stalling and eventual timeouts using most upload tools.
Here are the facts:
* It's only the upload speed: downloading is just fine on this machine.
* This machine WAS fine: No problem with uploads from this machine before I moved from CA. I've had it for about a year.
* Not the new cable internet: We also have a brand new Macbook Pro AND a PC using the same modem and connection and neither have trouble with upload speed.
* It's not the tool, the file, or the server I'm trying to upload to: have tried uploading various files, using various web interface tools, to different servers, (flickr uploader, blog upload tool,) including ftp from the command line -- same upload problems. Command line ftp doesn't time out like these other services, but takes a really really long time with lots of stalls (7:13 minutes for 2.1 mb?!)
* File sharing over our network between this machine and the Macbook Pro are lightning fast.
* Behavior is the same using airport OR built-in ethernet (even tried two different ethernet cables)
* Behavior is the same whether I use our internet connection or 'borrow' bandwidth from a neighbor's wireless connection (although I'm pretty sure everyone around here uses the same service?)
It seems to be some strange combination of this machine and my connection? I am stumped and really need to be able to upload files for working remotely!
Any advice would be much appreciated!
thanks,
Enola

So after MUCH research and back-and-forth, it appears that my problem here is the upload bandwidth provided by our ISP. They acknowledge there is a problem in our area with upload speed (download speed is excellent) and are apparently working on it. I am still baffled as to why this problem is so much more obvious on my mac mini than my husband's macbook pro, but I'm sure it has to do with all kinds of different variables. We both tried some speedtest sites like the one you mentioned, and we both get crappy upload bandwidth and lots of stalling. At least I know it's not that my machine has something terribly wrong with it. For now, I am making do!
thanks for your advice!

Slow Upload but Download is OK

Dear Verizon,
I have been experiencing slow Upload Speeds (<.1mbps) but Download is OK for the last 6 months or more. I have been on countless screen share sessions and have talked with expert technicians over this time. I have followed all suggestions and troubleshooting. I have tried four different modems, including one that I purchased at your recommendation, from Verizon. I have performed virus scans using two different antivirus programs, and spyware scans. My computer is a new i5 with lots of RAM, and I am running Windows 8. I have tried three different web browsers.
Below, please find a copy of a forum post by a person having a problem identical to mine. Please note that it was determined that the problem was "a fault at the exchange." Also please note that a technician who has seen this problem suggested "ask BT to connect your line to a new "slam" dedicated to your "subscribed speed". That should cure the problem."
Thank you!
{edited for privacy}
https://community.bt.com/t5/ADSL-Copper-Broadband-Speed/Slow-upload-speed-but-download-fine/td-p/419...

Your issue has been escalated to a Verizon agent. Before the agent can begin assisting you, they will need to collect further information from you.
Please go to your profile page for the forum, and look in the middle, right at the top where you will find an area titled "My Support Cases". You can reach your profile page by clicking on your name beside your post, or at the top left of this page underneath the title of the board.
Under “My Support Cases” you will find a link to the private board where you and the agent may exchange information. This should be checked on a frequent basis as the agent may be waiting for information from you before they can proceed with any actions.
To ensure you know when they have responded to you, at the top of your support case there is a drop down menu for support case options. Open that and choose "subscribe".
Please keep all correspondence regarding your issue in the private support portal.

Exchange 2013 - outlook in LAN environment very slow upload but fast download - not using 'use cached exchange mode'

Hi,
I have Exchange 2013 setup in a new environment (no migration) and it is working great except I just realized there is a big problem.
I notice the following
Problem 1:
Outlook 2010 with sp2 with cached exchange mode on: when I import the pst into outlook, it imports fine but the sync is extremely slow. It uploads to the Exchange 2013 mail server at 20-70KB/sec (bytes) via LAN.
Problem 2:
Outlook 2010 with sp2 with cached exchange mode off: when I import the pst into outlook, it imports extremely slow. It uploads to the Exchange 2013 mail server at 20-70KB/sec (bytes) via LAN.
More info:
-user1 has 1GB of mail and when setting up the user on a new pc with outlook with cached exchange mode on, it downloads the mail very fast. It downloads at 40-80 Mbps/sec (bits).
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Why is the download so fast from Exchange 2013 but the upload to Exchange 2013 is extremely slow? How do I fix this?
Thanks

I did some more testing.
I setup a test environment with:
-Exchange 2013 SP1 on win2k12 r2
-Outlook 2010 SP2 on windows 7 sp1
-Outlook 2010 SP2 on windows 8.1
-Outlook 2013 SP1 on windows 8.1
Both windows 7 and windows 8.1 have the very slow upload issue to Exchange 2013. Windows 7 upload to Exchange 2013 is around 20-70KB/sec (bytes) via LAN. Windows 8.1 upload is a bit more responsive at around 500-600KB/sec (bytes) via LAN.
I changed the TcpAckFrequency to 1 for windows 7 and 8.1 and the problem went away. The upload on both Windows 7 and 8.1 was going at megabytes after the change.
I hope Microsoft fixes this soon.
PowerShell script to have this automated via GPO:
http://community.spiceworks.com/topic/571571-outlook-slow-after-migrating-to-exchange-2013
PowerShell Script:
$strGUIDS=[array](Get-WmiObject win32_networkadapter -filter "netconnectionstatus = 2" | select -expand GUID)
foreach ($strGUID in $strGUIDS) {New-ItemProperty -path HKLM:\System\CurrentControlSet\services\Tcpip\Parameters\Interfaces\$strGUID -propertytype DWORD -name TcpAckFrequency -value 1}

Upload speed very slow, but download speed fast.

I have a wrtp54g router (4 wired, 1 wireless and 2 voip). On my laptop with wireless connection I have a fast down and upload speed. But on my PC with wired connection, I have a faster download connection and almost no upload connection. Tested on testmy.net. Can someone help me?

Thanks for you're reply.
I've 1 wired PC and a XBOX360 wired. But I tested the same wired connection of my PC with my laptop --> same problem. I also tested the different ports on my router with my PC --> same problem. I recently discovered that when I only use 1 wired connection port on my router, my PC (disconnected my XBOX and also my 2 useless connections (which used to be plugged in to connect in different rooms of my house). I have a faster upload (1.2 MB) speed then before (0.2MB), it doesn't matter which port I use on my router. But still slower then my wireless connection (1.6MB).
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redrover443 wrote:
i do not know how much free space...i'm not at all computer oriented on the tech stuff.
so add RAM, then possibly upgrade to the leopard?
Open up your Finder window & check the bottom of the window in the middle. It will tell you how much HD space you have left.
===============
http://docs.info.apple.com/article.html?artnum=305454 Mac OS X 10.4: FileVault - "There isn't enough space on your hard disk..." alert
Empty the trash!
Open up your application folder & go through all your apps. Trash all the apps you no longer want and/or use.
An easier way to do this is to open the Application folder in list view & press the Command+j keys.
In the the dialog that appears, click the "This Window Only" button & the "Calculate All Sizes" check box.
Wait a bit until your file & folder sizes have all been calculated, then click the "Size" column to sort your apps from the fattest to the most anorexic.
Get rid of all your photo files you don't want and/or need. Same goes for those pics off the websites you downloaded (gifs, jpegs, etc.). Or transfer/move them all to a photo/movie storage site like ImageShack and Photobucket, 2 of the most popular FREE storage sites.
Get rid of all your video & music files you no longer view and/or listen too. Especially, if you already have the actual CD/DVDs or you can later redownload from a website. Or transfer them all to a FREE video/movies and/or music storage site.
Use Spotlight to make sure you got rid of everything. You can even trash directly from Spotlight!
Drag what you don't want and/or need to the trash. Better yet, download this neat little shareware app *demo* called AppZapper. It basically does all the work for you by not only trashing the apps but the apps preference files, caches & all its associated files.
Another software that does the above is AppDelete. Best of all this software is free!
Burn what you want and/or need onto CDs or DVDs. Not everyone has the luxury of purchasing an external HD and/or the system requirements for iCloud to store their "stuff.”
Dropbox is a free storage facility software.
You can check with your ISP to see if they offer *free* storage space. Most if not all do now-a-days. There are thousands if not millions of *free* storage facilities on the web also. Use your favorite search engine to search them out as they come in different storage sizes to fit your needs & wants.
Check for duplicate fonts.
Applications>Font Book
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If you see any “black dots” next to any fonts this mean you have duplicates and/or multiple versions of these fonts.
To clean this up, select a “black dotted” font or the Apple + *click* to select multiple dotted fonts;
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More than likely the “extras” were installed by other programs and/or other users.
Clear out font caches
Use FontNuke. It does all the work for you. And, best of all it’s *FREE*.
Printer Drivers
Get rid of all the printer drivers you don’t need & use except the ones for your *current* printer(s)/scanner(s).
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Garage Band
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Strip your computer down to your “native” tongue.
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HD Space Checkers:
Disk Inventory X (FREE)
WhatSize (SHAREWARE)
OmniDiskSweeper (FREE)
GrandPerspective (FREE - donation)
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Slow upload to disk, but download is fine?

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