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Get-SmbSession

Retrieves information about the SMB sessions that are currently established between the SMB server and the associated clients.

Networking / Security · Risk: Low · Documentation Verified

Last verified: 2026-10-26

Microsoft SmbShare reference: Retrieves information about the SMB sessions that are currently established between the SMB server and the associated clients. 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.

Get-SmbSession [[-SessionId] <UInt64[]>] [[-ClientComputerName] <String[]>] [[-ClientUserName] <String[]>]
 [[-ScopeName] <String[]>] [[-ClusterNodeName] <String[]>] [-IncludeHidden] [-SmbInstance <SmbInstance>]
 [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob] [<CommonParameters>]

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Required permissions

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

Supported environments

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

Parameters

-AsJob: Runs the cmdlet as a background job. Use this parameter to run commands that take a long time to complete.
-CimSession: Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.
-ClientComputerName: Specifies the client computer name from which the only sessions are returned.
-ClientUserName: Specifies the name of the user whose sessions are retrieved.
-ClusterNodeName: Specifies, in the case of a share hosted by a Windows cluster, the name of the server which is hosting the sessions is retrieved.
-IncludeHidden: Indicates that sessions that are created and used internally are enumerated also.
-ScopeName: Specifies the scope of the sessions being retrieved.
-SessionId: Specifies the identifiers (IDs) that uniquely identify the sessions for which the information is retrieved.
-SmbInstance: Specifies the input to this cmdlet. You can use this parameter, or you can pipe the input to this cmdlet.
-ThrottleLimit: Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the computer. The throttle limit applies only to the current cmdlet, not to the session or to the computer.

Prerequisites

Windows with the SmbShare 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 is a read-oriented cmdlet; protect any sensitive results and check the documented effects of your selected parameters.

Examples

Example 1: Get session information

Get-SmbSession

This command retrieves information about the SMB sessions that are currently established between the SMB server and the associated clients. 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/SmbShare/Get-SmbSession.md

https://learn.microsoft.com/powershell/module/smbshare/get-smbsession?view=windowsserver2025-ps

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