Do not allow sessions without mutual CHAP

Policy ID: iSCSISecurity_RequireMutualCHAP
Scope: Computer Configuration
Supported on: At least Windows Vista
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: System › iSCSI › iSCSI Security

Description

If enabled then only those sessions that are configured for mutual CHAP may be established. If disabled then sessions that are configured for mutual CHAP or sessions not configured for mutual CHAP may be established.

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\Windows\iSCSI View registry values

RequireMutualCHAPREG_DWORD

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