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Set-IscsiChapSecret

Sets a CHAP secret key for use with iSCSI initiator connections.

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Last verified: 2026-10-26

Microsoft iSCSI reference: Sets a CHAP secret key for use with iSCSI initiator connections. 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.

Set-IscsiChapSecret [-ChapSecret <String>] [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob]
 [<CommonParameters>]

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Required permissions

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

Supported environments

Windows / iSCSI · 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. The cmdlet immediately returns an object that represents the job and then displays the command prompt. You can continue to work in the session while the job completes. To manage the job, use the *-Job cmdlets. To get the job results, use the Receive-Job cmdlet. For more information about Windows PowerShell background jobs, see about_Jobs.
-ChapSecret: Specifies the CHAP secret key for use with the iSCSI initiator connections.
-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.
-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 iSCSI 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: Set CHAP secret key

Set-IscsiChapSecret -ChapSecret "12345678912345"

This command sets the CHAP secret key to a value. 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/iSCSI/Set-IscsiChapSecret.md

https://learn.microsoft.com/powershell/module/iscsi/set-iscsichapsecret?view=windowsserver2025-ps

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