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I have recently updated to OSX Mountain Lion Xcode 4.4. Now I can't find the bundled Network Link Conditioner anymore which was automatically installed on OSX Lion and the corresponding Xcode version.

Any ideas

Besi
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2 Answers2

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I figured it out. It looks like the Network Link Conditioner is now an optional package in Mountain Lion and Xcode 4.4 which can be installed like so:

  1. Open Xcode
  2. Navigate to Xcode > Open Developer Tool > More Developer Tools
  3. Download the Hardware IO Tools for Xcode and then double click on the file Network Link Conditioner.prefpane, which will install the Preference pane again:

http://i.minus.com/jYNbvGpJabFmf.jpg

Besi
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    You can also download this and other packages (e.g. command line tools) separately from http://developer.apple.com – Paul R Jul 28 '12 at 09:29
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    @PaulR Your are right, and essentially this is where **More Developer Tools** will take you. – Besi Jul 29 '12 at 13:29
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    FWIW I had problems installing the command line tools from within Xcode 4.4 (appeared to install OK but had silently failed) - but downloading them and doing it manually seems to have worked OK. – Paul R Jul 29 '12 at 13:41
  • Ok so it looks like the prefPane still _should_ be in the command line tools but aren't because of an error in the command line tool installation. – Besi Jul 31 '12 at 21:33
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    Does the network link conditioner actually work on Mountain Lion though? I've reinstalled it from the location above but can't make it affect my connection. – Ray Lillywhite Aug 23 '12 at 08:00
  • It desn't work for me as well. – Matej Bukovinski Aug 23 '12 at 10:41
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    Removing the previous version and Installing it from the "Hardware IO Tools for Xcode - Late July 2012" package from https://developer.apple.com/downloads fixed it for me, as pointed out by Sal. – Matej Bukovinski Sep 21 '12 at 08:39
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    As of May 2013, I can't find that "Hardware IO Tools for Xcode - Late July 2012" download. Does anyone have a direct link? – Robert Atkins May 01 '13 at 12:31
  • @RobertAtkins Late July 2012: https://developer.apple.com/downloads/download.action?path=Developer_Tools/hardware_io_tools_for_xcode_4.4__late_july_2012/xcode44hwiotools6938115a.dmg • October 2013: https://developer.apple.com/downloads/download.action?path=Developer_Tools/hardware_io_tools_for_xcode__october_2013/hardware_io_tools_for_xcode__october_2013.dmg – Nick Mar 25 '14 at 18:58
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    For macOS 10.15 the download is called 'Additional Tools for Xcode' instead of 'Hardware IO Tools for Xcode'. Network Link Conditioner is part of this package. – Nils Breunese Apr 17 '20 at 18:39
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For the Network Link Conditioner that works in Mountain Lion, you'll need to install it from the 'Hardware IO Tools for Xcode - Late July 2012' .dmg

Sal Conigliaro
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    ..and reboot. Although Apple doesn't mention this, it's required. And, after rebooting, you have to re-enable it (Apple automatically disables it on reboot) – Adam Oct 03 '12 at 10:44
  • And for XCode 9, it's stored in the "Additional Tools for XCode 9", they don't have a separate "Hardware Tools" any more. – Apollo Grace Jan 17 '18 at 11:27