Parece que você não adicionou o nome do cliente à configuração do servidor.
Windows
On Windows run synergy by double clicking on the synergy file. This brings up a dialog. Configure the server:
- Click the Share this computer's keyboard and mouse (server) radio button
- Click the Screens & Links Configure... button
- Click the + button to add the server to the Screens list
- Enter the name of server (the computer's name is the recommended name)
- Optionally enter other names the server is known by
- Click OK
- Use the + button to add your other computers
- Using a computer's name as its screen name is recommended
- Choose desired screen options on the Add Screen dialog
- Use the controls under Links to link screens together
- Click (once) on the server's name in the Screens list
- Choose the screen to the left of the server; use --- if there is no screen to the left of the server
- Choose the screens to the right, above and below the server
- Repeat the above steps for all the other screens
- Click OK to close the Screens & Links dialog
- Use Options... to set desired options
- If the server's screen name is not the server's computer name:
- Click Advanced...
- Enter the server's screen name next to Screen Name
- Click OK
