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You need a browser window for every monitor.
1. Please open another window for another monitor
2. Repeat step 1 if you have more monitors
3. Make this window full screen (F11 or Command+Shift+F)
4.

Spark Gateway Agent

Local hardware (smart card, scanner) redirection needs an agent (native application) running on your computer to acees the local hardware. Please:
  1. Download the agent.
  2. Run the agent and keep it running during the connection (You only need to run the agent once for multiple sessions).
  3. Click to open a new window(bridge.html) to commnicate with the agent and keep it open during the connection.
Switch back and close this dialog to continue.
Please install Google or Microsoft Authenticator on your mobile device.
Scan the QR code to add an account (Other account for Microsoft Authenticator):
Barcode
Please enter the two-factor authentication code
Open USB