Policy selection for ADMX packs

Policy overview

Key metadata and intent for this policy.

ClassComputer

CategorySystem > Credentials Delegation

Supported onAt least Windows Vista

Supported OS tags: Windows10, Windows10RT, Windows11, Windows7, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2008, WindowsServer2012, WindowsServer2012R2, WindowsServer2016, WindowsVista

This policy setting applies to applications using the Cred SSP component (for example: Remote Desktop Connection). This policy setting applies when server authentication was achieved via NTLM. If you enable this policy setting, you can specify the servers to which the user's saved credentials can be delegated (saved credentials are those that you elect to save/remember using the Windows credential manager). If you do not configure (by default) this policy setting, after proper mutual authentication, delegation of saved credentials is permitted to Remote Desktop Session Host running on any machine (TERMSRV/*) if the client machine is not a member of any domain. If the client is domain-joined, by default the delegation of saved credentials is not permitted to any machine. If you disable this policy setting, delegation of saved credentials is not permitted to any machine. Note: The "Allow delegating saved credentials with NTLM-only server authentication" policy setting can be set to one or more Service Principal Names (SPNs). The SPN represents the target server to which the user credentials can be delegated. The use of a single wildcard character is permitted when specifying the SPN. For Example: TERMSRV/host.humanresources.fabrikam.com Remote Desktop Session Host running on host.humanresources.fabrikam.com machine TERMSRV/* Remote Desktop Session Host running on all machines. TERMSRV/*.humanresources.fabrikam.com Remote Desktop Session Host running on all machines in humanresources.fabrikam.com

Internal name

AllowSavedCredentialsWhenNTLMOnly

Policy ID

6f69bfb47321

Elements

Registry values

How enabled and disabled states update the registry.

Registry location	Type	Enabled value	Disabled value
HKLM\Software\Policies\Microsoft\Windows\CredentialsDelegation\AllowSavedCredentialsWhenNTLMOnly	REG_DWORD	1	0

Policy elements

Inputs and configuration options exposed by this policy.

Element	Type	Registry mapping	Constraints & behavior
Concatenate OS defaults with input above ID ConcatenateDefaults_ASCN	boolean	HKLM\Software\Policies\Microsoft\Windows\CredentialsDelegation\ConcatenateDefaults_AllowSavedNTLMOnly Type REG_DWORD	Options: true (1), false (0) True: Set value = 1 · False: Set value = 0
Add servers to the list: ID AllowSavedCredentialsWhenNTLMOnly_Name	list	HKLM\Software\Policies\Microsoft\Windows\CredentialsDelegation\AllowSavedCredentialsWhenNTLMOnly\AllowSavedCredentialsWhenNTLMOnly Type REG_MULTI_SZ	List: additive

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