Synergy ‘Shift’ key not working on the Mac

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I have Synergy server on a Windows 7 box, and a Mac client connected to it. Most keys work fine, except for the Shift key on the right side. The left Shift key works just fine but not the one on the right side.

Does anybody have the same issue, and what is the resolution?


I can confirm that downgrading a windows 7 server to 1.3.4 fixes the problem. On the Windows 7 server I tried every server up through 1.4.2 beta and none of them fixed the problem. On OSX 10.6 client I tried everything up through the 1.4.2 beta and none of the newer versions solved the problem.

I was struggling with the issue at work until my good friend Paul Udruscu pointed out that I can use KeyTweek on Windows, to remap the right shift key to the left one and alleviate the issue altogether.

This is logged in the synergy bug list here: so yes, lots of people have the same issue.

They don’t seem to come closer to fixing this however.

Going off the workaround above by Ash, this can also be accomplished by adding a registry value to Keyboard Layout. It remaps the left shift key to the right shift key.

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlKeyboard Layout
New binary value
Name: Scancode Map
Value: 00 00 00 00 00 00 00 00 02 00 00 00 2a 00 36 00 00 00 00 00

Reference: modified this example; worked on Windows 7 with Synergy 1.4.8.