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Docker Universal Control Plane Windows Early Access

Article ID: KB000227

This article outlines the steps required to set up a Docker UCP installation with Early Access support for Windows Server 2016 worker nodes.

Please work with your account representative to join the Windows Early Access program and provide additional details on how to install UCP to enable Windows support.

Manual Steps

The Early Access Windows support requires manual steps to complete the join process for worker nodes. After performing the initial join operation, the node will be reported in UCP as:

[Pending] You must now reconfigure your windows worker node following instructions at https://www.docker.com/ddc-win-ea

From a PowerShell terminal running as Administrator, run the following commands:

netsh advfirewall firewall add rule name="docker_ucp" dir=in action=allow protocol=TCP localport=12376
Stop-Service docker
dockerd --unregister-service
dockerd -H npipe:// -H --tlsverify --tlscacert=c:\ProgramData\docker\ucp\ca.pem --tlscert=c:\ProgramData\docker\ucp\cert.pem --tlskey=c:\ProgramData\docker\ucp\key.pem --register-service
Start-Service docker


  • The UCP Windows Server Early Access support is limited to worker nodes only. You can not run a Windows Server node as a manager.
  • If you have not enabled Windows support during install, Windows worker nodes can not be joined to the cluster later.