Propagate extended error information: registry value ExtErrorInformation and 1 moreComputerHKLM\Software\Policies\Microsoft\Windows NT\Rpc

Policy ID: RpcExtendedErrorInformation
Scope: Computer Configuration
Supported on: At least Windows Server 2003 operating systems or Windows XP Professional
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: System › Remote Procedure Call

Registry

ExtErrorInformation

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\Windows NT\Rpc Current key

Enabled value: Depends on the option value
Element: Propagation of extended error information:

Options
Item	Stored value
Off	0
On with Exceptions	1
Off with Exceptions	2
On	3

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\Rpc]

; Options (use only one)
; Off
"ExtErrorInformation"=dword:00000000
; On with Exceptions
"ExtErrorInformation"=dword:00000001
; Off with Exceptions
"ExtErrorInformation"=dword:00000002
; On
"ExtErrorInformation"=dword:00000003

CMD

:: Options (use only one)

:: Off
reg add "HKLM\Software\Policies\Microsoft\Windows NT\Rpc" /v "ExtErrorInformation" /t REG_DWORD /d 0 /f
:: On with Exceptions
reg add "HKLM\Software\Policies\Microsoft\Windows NT\Rpc" /v "ExtErrorInformation" /t REG_DWORD /d 1 /f
:: Off with Exceptions
reg add "HKLM\Software\Policies\Microsoft\Windows NT\Rpc" /v "ExtErrorInformation" /t REG_DWORD /d 2 /f
:: On
reg add "HKLM\Software\Policies\Microsoft\Windows NT\Rpc" /v "ExtErrorInformation" /t REG_DWORD /d 3 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Rpc' -Force | Out-Null

# Options (use only one)
# Off
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Rpc' -Name 'ExtErrorInformation' -PropertyType DWord -Value 0 -Force | Out-Null
# On with Exceptions
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Rpc' -Name 'ExtErrorInformation' -PropertyType DWord -Value 1 -Force | Out-Null
# Off with Exceptions
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Rpc' -Name 'ExtErrorInformation' -PropertyType DWord -Value 2 -Force | Out-Null
# On
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Rpc' -Name 'ExtErrorInformation' -PropertyType DWord -Value 3 -Force | Out-Null

ExtErrorInfoExceptions

REG_SZComputer

HKLM\Software\Policies\Microsoft\Windows NT\Rpc Current key

Enabled value: Depends on the option value
Element: Extended Error Information Exceptions:
Value type: REG_SZ

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\Rpc]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"ExtErrorInfoExceptions"="<enter value>"

CMD

:: Value names and types follow the ADMX. Replace <enter value> below with your own data

reg add "HKLM\Software\Policies\Microsoft\Windows NT\Rpc" /v "ExtErrorInfoExceptions" /t REG_SZ /d "<enter value>" /f

PowerShell

# Value names and types follow the ADMX. Replace <enter value> below with your own data

New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Rpc' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Rpc' -Name 'ExtErrorInfoExceptions' -PropertyType String -Value '<enter value>' -Force | Out-Null