Specify minimum XAdES level for digital signature generation: registry value minxadeslevelUserHKCU\software\policies\microsoft\office\16.0\common\signatures

Policy ID
L_SpecifyMinimumXAdESLevelForDigitalSignatureGeneration
Scope
User Configuration
Supported on
At least Windows Server 2008 R2 or Windows 7
Source
Microsoft 365 Apps / Office Administrative Templates (version 5568.1000)
Category
Microsoft Office 2016 › Security Settings › Digital Signatures

Registry

minxadeslevel

REG_DWORDUser
Enabled value
Depends on the option value
Element
-
Options
ItemStored value
No minimum level0
XAdES-BES1
XAdES-T2
XAdES-C3
XAdES-X4
XAdES-X-L5
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\common\signatures]

; Options (use only one)
; No minimum level
"minxadeslevel"=dword:00000000
; XAdES-BES
"minxadeslevel"=dword:00000001
; XAdES-T
"minxadeslevel"=dword:00000002
; XAdES-C
"minxadeslevel"=dword:00000003
; XAdES-X
"minxadeslevel"=dword:00000004
; XAdES-X-L
"minxadeslevel"=dword:00000005
CMD
:: Options (use only one)

:: No minimum level
reg add "HKCU\software\policies\microsoft\office\16.0\common\signatures" /v "minxadeslevel" /t REG_DWORD /d 0 /f
:: XAdES-BES
reg add "HKCU\software\policies\microsoft\office\16.0\common\signatures" /v "minxadeslevel" /t REG_DWORD /d 1 /f
:: XAdES-T
reg add "HKCU\software\policies\microsoft\office\16.0\common\signatures" /v "minxadeslevel" /t REG_DWORD /d 2 /f
:: XAdES-C
reg add "HKCU\software\policies\microsoft\office\16.0\common\signatures" /v "minxadeslevel" /t REG_DWORD /d 3 /f
:: XAdES-X
reg add "HKCU\software\policies\microsoft\office\16.0\common\signatures" /v "minxadeslevel" /t REG_DWORD /d 4 /f
:: XAdES-X-L
reg add "HKCU\software\policies\microsoft\office\16.0\common\signatures" /v "minxadeslevel" /t REG_DWORD /d 5 /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\software\policies\microsoft\office\16.0\common\signatures' -Force | Out-Null

# Options (use only one)
# No minimum level
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\common\signatures' -Name 'minxadeslevel' -PropertyType DWord -Value 0 -Force | Out-Null
# XAdES-BES
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\common\signatures' -Name 'minxadeslevel' -PropertyType DWord -Value 1 -Force | Out-Null
# XAdES-T
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\common\signatures' -Name 'minxadeslevel' -PropertyType DWord -Value 2 -Force | Out-Null
# XAdES-C
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\common\signatures' -Name 'minxadeslevel' -PropertyType DWord -Value 3 -Force | Out-Null
# XAdES-X
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\common\signatures' -Name 'minxadeslevel' -PropertyType DWord -Value 4 -Force | Out-Null
# XAdES-X-L
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\common\signatures' -Name 'minxadeslevel' -PropertyType DWord -Value 5 -Force | Out-Null