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Copy file name to clipboardExpand all lines: support/power-platform/power-automate/desktop-flows/ui-automation/ui-rdp-automation/cyberark-connection-not-supported.md
ms.custom: sap:Desktop flows\UI or browser automation
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ms.date: 11/20/2025
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---
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# CyberArk connections aren't supported for RDP automation
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# RDP automation fails to connect to a machine through CyberArk
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This article helps you resolve an issue in which you can't connect to a device (computer or virtual machine) through CyberArk when you use Remote Desktop Protocol (RDP) automation in Microsoft Power Automate for desktop.
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This article helps you resolve an issue in which you can't connect to a machine through CyberArk when you use Remote Desktop Protocol (RDP) automation in Microsoft Power Automate for desktop.
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## Symptoms
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When you try to connect to a device through CyberArk by using RDP automation, the Power Automate agent for virtual desktops doesn't establish communication with Power Automate for desktop, and you receive the following error message:
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When you try to connect to a machine through CyberArk by using RDP automation, the Power Automate agent for virtual desktops doesn't establish communication with Power Automate for desktop, and you receive the following error message:
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> A device attached to the system is not functioning.
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:::image type="content" source="media/cyberark-connection-not-supported/rdp-connection-failed.png" alt-text="The error message that you receive when you try to connect through CyberArk.":::
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However, when you connect directly to the device by using RDP without CyberArk, the connection works as expected, and Power Automate for desktop successfully communicates with the agent.
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However, when you connect directly to the machine by using RDP without CyberArk, the connection works as expected, and Power Automate for desktop successfully communicates with the agent.
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## Cause
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@@ -27,7 +27,7 @@ CyberArk creates a nested remote connection path. This condition interferes with
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To resolve this issue:
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- Use a direct RDP connection to the target device instead of connecting through CyberArk.
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- Make sure that the Power Automate agent for virtual desktops is running and correctly registered on the device.
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- Use a direct RDP connection to the target machine instead of connecting through CyberArk.
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- Make sure that the Power Automate agent for virtual desktops is running and correctly registered on the machine.
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