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Add-RDSessionHost

Adds one or more RD Session Host servers to a session collection.

PowerShell · Risk: High · Documentation Verified

Last verified: 2026-10-26

Microsoft RemoteDesktop reference: Adds one or more RD Session Host servers to a session collection. The syntax and selected example below are adapted from the pinned Windows Server 2025 reference. Module availability, target configuration and delegated permissions determine whether it can run in your environment. Documentation and parameter text: Microsoft, CC BY 4.0; formatting adapted by Cmdlet World. No execution testing is claimed.

Add-RDSessionHost [-CollectionName] <String> -SessionHost <String[]> [-ConnectionBroker <String>]
 [<CommonParameters>]

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Required permissions

Use an account with the target resource permissions documented for Add-RDSessionHost. Modifying administrative cmdlets may require elevation or delegated administration. This catalog does not assert that ordinary users can execute the command.

Supported environments

Windows / RemoteDesktop · Windows Server 2025 documentation; feature/module prerequisites apply

Parameters

-CollectionName (required): Specifies the name of the RD Session Host collection.
-ConnectionBroker: Specifies the Remote Desktop Connection Broker (RD Connection Broker) server for this Remote Desktop deployment. Remote users connect to this server to obtain views of available firstref_server_7 RemoteApp programs, session-based desktops, and virtual desktops. If this parameter does not appear, the default value is the fully qualified domain name (FQDN) of the local host.
-SessionHost (required): Specifies an array that contains the name of one or more servers that run the RD Session Host role service.

Prerequisites

Windows with the RemoteDesktop module and the Windows feature or management tools that provide it. Confirm target connectivity and version compatibility using the linked Microsoft reference.

Security considerations

This cmdlet changes system state. Review every target and parameter in the official reference, test outside production, and prepare an appropriate backup or rollback. Do not execute the example automatically.

Examples

Example 1: Add an RD Session Host server to a session collection on an RD Connection Broker server

Add-RDSessionHost -SessionHost "sessionhost.contoso.com" -ConnectionBroker "rdcb.contoso.com"

This command adds an RD Session Host server named sessionhost.contoso.com to a session collection. Remote users connect to the RD Connection Broker server named rdcb.contoso.com to obtain views of available RemoteApp programs, session-based desktops, and virtual desktops. Source: Microsoft, CC BY 4.0; transcript prompt/output removed. This example was not executed.

Sources

https://github.com/MicrosoftDocs/windows-powershell-docs/blob/b7645dd8c687139b28e845119da30ec670526507/docset/winserver2025-ps/RemoteDesktop/Add-RDSessionHost.md

https://learn.microsoft.com/powershell/module/remotedesktop/add-rdsessionhost?view=windowsserver2025-ps

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