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Keep losing connection to Time Capsule while copying large files from Windows Vista Business 64-bit: Error 0x80070079: The semaphore timeout period has expired

Posted on 2008-11-16
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I keep getting "Error 0x80070079: The semaphore timeout period has expired" while trying to copy large (1GB+) files from my Windows Vista Business 64 bits laptop (this OS is running on a MacBook Pro using BootCamp) wirelessly connected to a Time Capsule. The wireless connection to the Time Capsule is interrupted when this error occurs and then I can re-establish the connection. The problem seems to only occur when I copy large files or when I copy many files at once.
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Question by:bilokon
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by:strung
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by:strung
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by:bilokon
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I have applied the patch mentioned by strung. Unfortunately the problem persists. Thank you for suggestions, do you have any further ideas? (Interesting, why doesn't the patch work on my machine?)
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by:strung
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If you Google your error message, you will find a large number of posts by people complaining of the same problem, with no apparent solution. Unfortunately, I don't think I can be of any further help.
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by:strung
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You may want to repost the question in a Vista forum, as this seems to be a Vista, not a Time Machine, bug.
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by:bilokon
ID: 22975082
This question is already on the Vista forum. Hopefully someone will be able to help. This is still very much an open issue. Many thanks for your efforts, strung!
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bilokon earned 0 total points
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Finally, it looks like a solution has been found. Have a look at Apple Discussions (Topic : WiFi dropped connection after 5 to 10 min when transferring data):

http://discussions.apple.com/thread.jspa?threadID=1491640&tstart=180

Notice that the symptoms are pretty much the same: "I am connecting to a Time Capsule and for some reason the connection resets when transferring large amounts of data".

Have a look at the solution that buknoy suggested:

1) Download the latest Broadcom Drivers from HP: http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-58904-1&lc=en&cc=us&dlc=en&product=3650971&os=2100&lang=en

2) Do not run the driver installer, just right-click on the file you downloaded and extract it using 7-zip or winrar. Do not run the setup.exe file after extracting, it'll just install useless crap on your notebook.

3) Go to Device Manager and update the Broadcom Wireless N driver using the "have disk" option, pick "Broadcom 4321AG 802.11a/b/g/draft-n".

4) Restart your computer.

I applied this very procedure, but when I tried selecting "Broadcom 4321AG 802.11a/b/g/draft-n" the installer got stuck and my laptop stopped responding. I rebooted and tried again, this time I chose the driver "Broadcom 4322AG 802.11a/b/g/draft-n Wi-Fi Adapter". I installed it and rebooted the laptop. And...

The problem disappeared! :-)
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