Windows XP includes powerful commandline admin utilities including
reg which allows
powerful scripting of the registry.
reg /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG Operation [Parameter List] Operation [ QUERY | ADD | DELETE | COPY |
SAVE | LOAD | UNLOAD | RESTORE |
COMPARE | EXPORT | IMPORT ]
Return Code: (Except of REG COMPARE) 0 - Succussful
1 - Failed For help on a specific operation type: REG Operation /?
Examples: REG QUERY /?
REG ADD /? REG DELETE /? REG COPY /? REG SAVE /? REG RESTORE /? REG LOAD /? REG UNLOAD /? REG COMPARE /? REG EXPORT /? REG IMPORT /? reg query /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG QUERY KeyName [/v ValueName | /ve] [/s] KeyName [\Machine\]FullKey
Machine - Name of remote machine, omitting defaults to the current machine Only HKLM and HKU are available on remote machines
FullKey - in the form of ROOTKEY\SubKey name ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ]
SubKey - The full name of a registry key under the selected ROOTKEY
/v query for a specific registry key ValueName - The name, under the selected Key, to query
if omitted, all values under the Key are queried
/ve query for the default value or empty value name /s queries all subkeys and values
Examples: REG QUERY HKLM\Software\Microsoft\ResKit /v Version
Displays the value of the registry value Version REG QUERY HKLM\Software\Microsoft\ResKit\Nt\Setup /s
Displays all subkeys and values under the registry key Setup reg add /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG ADD KeyName [/v ValueName | /ve] [/t Type] [/s Separator] [/d Data] [/f] KeyName [\\Machine\]FullKey
Machine Name of remote machine - omitting defaults to the current
machine Only HKLM and HKU are available on remote machines
FullKey ROOTKEY\SubKey
ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ]
SubKey The full name of a registry key under the selected ROOTKEY
/v The value name, under the selected Key, to add
/ve adds an empty value name for the key
/t RegKey data types
[ REG_SZ | REG_MULTI_SZ | REG_DWORD_BIG_ENDIAN |
REG_DWORD | REG_BINARY | REG_DWORD_LITTLE_ENDIAN |
REG_NONE | REG_EXPAND_SZ ]
If omitted, REG_SZ is assumed
/s Specify one charactor that you use as the separator in your data
string for REG_MULTI_SZ. If omitted, use "\0" as the separator
/d The data to assign to the registry ValueName being added
/f Force overwriting the existing registry entry without prompt
Examples: REG ADD \\ABC\HKLM\Software\MyCo
Adds a key HKLM\Software\MyCo on remote machine ABC REG ADD HKLM\Software\MyCo /v Data /t REG_BINARY /d fe340ead
Adds a value (name: Data, type: REG_BINARY, data: fe340ead) REG ADD HKLM\Software\MyCo /v MRU /t REG_MULTI_SZ /d fax\0mail
Adds a value (name: MRU, type: REG_MUTLI_SZ, data: fax\0mail\0\0) REG ADD HKLM\Software\MyCo /v Path /t REG_EXPAND_SZ /d %%systemroot%%
Adds a value (name: Path, type: REG_EXPAND_SZ, data: %systemroot%) Notice: Use the double percentage ( %% ) inside the expand string reg delete /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG DELETE KeyName [/v ValueName | /ve | /va] [/f] KeyName [\\Machine\]FullKey
Machine Name of remote machine - omitting defaults to the current machine Only HKLM and HKU are available on remote machines
FullKey ROOTKEY\SubKey ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ] SubKey The full name of a registry key under the selected ROOTKEY ValueName The value name, under the selected Key, to delete When omitted, all subkeys and values under the Key are deleted
/ve delete the value of empty value name /va delete all values under this key
/f Forces the deletion without propmt Examples: REG DELETE HKLM\Software\MyCo\MyApp\Timeout
Deletes the registry key Timeout and its all subkeys and values REG DELETE \\ZODIAC\HKLM\Software\MyCo /v MTU
Deletes the registry value MTU under MyCo on ZODIAC reg copy /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG COPY KeyName1 KeyName2 [/s] [/f] KeyName [\\Machine\]FullKey
Machine Name of remote machine - omitting defaults to the current machine Only HKLM and HKU are available on remote machines
FullKey ROOTKEY\SubKey ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ] SubKey The full name of a registry key under the selected ROOTKEY /s Copies all subkeys and values /f Forces the copy without propmt Examples: REG COPY HKLM\Software\MyCo\MyApp HKLM\Software\MyCo\SaveMyApp /s
Copies all subkeys and values under the key MyApp to the key SaveMyApp REG COPY \\ZODIAC\HKLM\Software\MyCo HKLM\Software\MyCo1
Copies all values under the key MyCo on ZODIAC to the key MyCo1 on the current machine reg save /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG SAVE KeyName FileName KeyName ROOTKEY\SubKey
ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ] SubKey The full name of a registry key under the selected ROOTKEY FileName The name of the disk file to save. If no path is specified, the file is created in the current folder of the calling process
Examples: REG SAVE HKLM\Software\MyCo\MyApp AppBkUp.hiv
Saves the hive MyApp to the file AppBkUp.hiv in the current folder reg restore /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG RESTORE KeyName FileName KeyName ROOTKEY\SubKey (local machine only)
ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ] SubKey The full name of a registry key to restore the hive file into. Overwriting the existing key's values and subkeys
FileName The name of the hive file to restore You must use REG SAVE to create this file
Examples: REG RESTORE HKLM\Software\Microsoft\ResKit NTRKBkUp.hiv
Restores the file NTRKBkUp.hiv overwriting the key ResKit reg load /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG LOAD KeyName FileName KeyName ROOTKEY\SubKey (local machine only)
ROOTKEY [ HKLM | HKU ] SubKey The key name to load the hive file into. Creating a new key FileName The name of the hive file to load You must use REG SAVE to create this file
Examples: REG LOAD HKLM\TempHive TempHive.hiv
Loads the file TempHive.hiv to the Key HKLM\TempHive reg unload /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG UNLOAD KeyName KeyName ROOTKEY\SubKey (local machine only)
ROOTKEY [ HKLM | HKU ] SubKey The key name of the hive to unload Examples: REG UNLOAD HKLM\TempHive
Unloads the hive TempHive in HKLM reg compare /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG COMPARE KeyName1 KeyName2 [/v ValueName | /ve] [Output] [/s] KeyName [\\Machine\]FullKey
Machine Name of remote machine - omitting defaults to the current machine Only HKLM and HKU are available on remote machines
FullKey ROOTKEY\SubKey If FullKey2 is not specified, FullKey2 is the same as FullKey1
ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ] SubKey The full name of a registry key under the selected ROOTKEY ValueName The value name, under the selected Key, to compare When omitted, all values under the Key are compared
/ve compare the value of empty value name /s Compare all subkeys and values
Output [/oa | /od | /os | /on] When omitted, output only differences
/oa Output all of differences and matches /od Output only differences /os Output only matches /on No output Return Code: 0 - Succussful, the result compared is identical
1 - Failed 2 - Successful, the result compared is different Examples: REG COMPARE HKLM\Software\MyCo\MyApp HKLM\Software\MyCo\SaveMyApp
Compares all values under the key MyApp with SaveMyApp REG COMPARE HKLM\Software\MyCo HKLM\Software\MyCo1 /v Version
Compares the value Version under the key MyCo and MyCo1 REG COMPARE \\ZODIAC\HKLM\Software\MyCo \\. /s
Compares all subkeys and values under HKLM\Software\MyCo on ZODIAC with the same key on the current machine reg export /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG EXPORT KeyName FileName Keyname ROOTKEY\SubKey (local machine only)
ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ] SubKey The full name of a registry key under the selected ROOTKEY FileName The name of the disk file to export Examples: REG EXPORT HKLM\Software\MyCo\MyApp AppBkUp.reg
Exports all subkeys and values of the key MyApp to the file AppBkUp.reg reg import /? Console Registry Tool for Windows - version 3.0 Copyright (C) Microsoft Corp. 1981-2001. All rights reserved REG IMPORT FileName FileName The name of the disk file to import (local machine only)
Examples: REG IMPORT AppBkUp.reg
Imports registry entrys from the file AppBkUp.reg
