Configure hash algorithms for certificate logon: registry value PKINITHashAlgorithmConfigurationEnabled and 4 more (KDC\Parameters)ComputerHKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters

Policy ID: PKINITHashAlgorithmConfiguration
Scope: Computer Configuration
Supported on: At least Windows 11 Version 22H2
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: System › KDC

Registry

PKINITHashAlgorithmConfigurationEnabled

REG_DWORDComputer

HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters Current key

Enabled value: 1
Disabled value: 0

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters]

; Options (use only one)
; Enabled
"PKINITHashAlgorithmConfigurationEnabled"=dword:00000001
; Disabled
"PKINITHashAlgorithmConfigurationEnabled"=dword:00000000

CMD

:: Options (use only one)

:: Enabled
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITHashAlgorithmConfigurationEnabled" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITHashAlgorithmConfigurationEnabled" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITHashAlgorithmConfigurationEnabled' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITHashAlgorithmConfigurationEnabled' -PropertyType DWord -Value 0 -Force | Out-Null

PKINITSHA1

REG_DWORDComputer

HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters Current key

Enabled value: Depends on the option value
Element: SHA-1

Options
Item	Stored value
Default	1
Supported	3
Audited	2
Not Supported	0

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters]

; Options (use only one)
; Default
"PKINITSHA1"=dword:00000001
; Supported
"PKINITSHA1"=dword:00000003
; Audited
"PKINITSHA1"=dword:00000002
; Not Supported
"PKINITSHA1"=dword:00000000

CMD

:: Options (use only one)

:: Default
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA1" /t REG_DWORD /d 1 /f
:: Supported
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA1" /t REG_DWORD /d 3 /f
:: Audited
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA1" /t REG_DWORD /d 2 /f
:: Not Supported
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA1" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Force | Out-Null

# Options (use only one)
# Default
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA1' -PropertyType DWord -Value 1 -Force | Out-Null
# Supported
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA1' -PropertyType DWord -Value 3 -Force | Out-Null
# Audited
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA1' -PropertyType DWord -Value 2 -Force | Out-Null
# Not Supported
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA1' -PropertyType DWord -Value 0 -Force | Out-Null

PKINITSHA256

REG_DWORDComputer

HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters Current key

Enabled value: Depends on the option value
Element: SHA-256

Options
Item	Stored value
Default	1
Supported	3
Audited	2
Not Supported	0

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters]

; Options (use only one)
; Default
"PKINITSHA256"=dword:00000001
; Supported
"PKINITSHA256"=dword:00000003
; Audited
"PKINITSHA256"=dword:00000002
; Not Supported
"PKINITSHA256"=dword:00000000

CMD

:: Options (use only one)

:: Default
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA256" /t REG_DWORD /d 1 /f
:: Supported
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA256" /t REG_DWORD /d 3 /f
:: Audited
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA256" /t REG_DWORD /d 2 /f
:: Not Supported
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA256" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Force | Out-Null

# Options (use only one)
# Default
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA256' -PropertyType DWord -Value 1 -Force | Out-Null
# Supported
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA256' -PropertyType DWord -Value 3 -Force | Out-Null
# Audited
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA256' -PropertyType DWord -Value 2 -Force | Out-Null
# Not Supported
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA256' -PropertyType DWord -Value 0 -Force | Out-Null

PKINITSHA384

REG_DWORDComputer

HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters Current key

Enabled value: Depends on the option value
Element: SHA-384

Options
Item	Stored value
Default	1
Supported	3
Audited	2
Not Supported	0

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters]

; Options (use only one)
; Default
"PKINITSHA384"=dword:00000001
; Supported
"PKINITSHA384"=dword:00000003
; Audited
"PKINITSHA384"=dword:00000002
; Not Supported
"PKINITSHA384"=dword:00000000

CMD

:: Options (use only one)

:: Default
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA384" /t REG_DWORD /d 1 /f
:: Supported
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA384" /t REG_DWORD /d 3 /f
:: Audited
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA384" /t REG_DWORD /d 2 /f
:: Not Supported
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA384" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Force | Out-Null

# Options (use only one)
# Default
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA384' -PropertyType DWord -Value 1 -Force | Out-Null
# Supported
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA384' -PropertyType DWord -Value 3 -Force | Out-Null
# Audited
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA384' -PropertyType DWord -Value 2 -Force | Out-Null
# Not Supported
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA384' -PropertyType DWord -Value 0 -Force | Out-Null

PKINITSHA512

REG_DWORDComputer

HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters Current key

Enabled value: Depends on the option value
Element: SHA-512

Options
Item	Stored value
Default	1
Supported	3
Audited	2
Not Supported	0

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters]

; Options (use only one)
; Default
"PKINITSHA512"=dword:00000001
; Supported
"PKINITSHA512"=dword:00000003
; Audited
"PKINITSHA512"=dword:00000002
; Not Supported
"PKINITSHA512"=dword:00000000

CMD

:: Options (use only one)

:: Default
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA512" /t REG_DWORD /d 1 /f
:: Supported
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA512" /t REG_DWORD /d 3 /f
:: Audited
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA512" /t REG_DWORD /d 2 /f
:: Not Supported
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters" /v "PKINITSHA512" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Force | Out-Null

# Options (use only one)
# Default
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA512' -PropertyType DWord -Value 1 -Force | Out-Null
# Supported
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA512' -PropertyType DWord -Value 3 -Force | Out-Null
# Audited
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA512' -PropertyType DWord -Value 2 -Force | Out-Null
# Not Supported
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System\KDC\Parameters' -Name 'PKINITSHA512' -PropertyType DWord -Value 0 -Force | Out-Null