Import, export or delete registry settings from a text (.REG) file
Export the Registry (all HKLM plus current user)
REGEDIT /E pathname
Export part of the Registry
REGEDIT /E pathname "RegPath"
Import a reg script
REGEDIT /S pathname
Start the regedit GUI
Open multiple copies of GUI (XP and 2003 only)
/E : Export
/S : Silent ImportHow to add keys and values from the registry:
Create a text file like this:
"SomeStringValue"="Hello" When double clicking this .reg file the key and value will be added.
Alternatively run REGEDIT MYKEY.REG from the command line.
How to delete keys and values from the registry:
Create a reg file like this, notice the hyphen inside the first bracket
[-HKEY_CURRENT_USERSomeKey] When double clicking this .reg file the key "SomeKey" will be deleted along with all string, binary or Dword values in that key.
If you want to just delete values leaving the key in place, set the value you want to delete = to a hyphen
Again double clicking this .reg file will delete the values specified – or you can use REGEDIT /s MyDeleteScript.REG.
Windows XP Registry files.
Under Windows NT all registry scripts start with:
Under Windows 2K and XP the first line is:
Windows Registry Editor Version 5.00
To be sure that a .REG script will run under any version of Windows use the earlier syntax: REGEDIT4.
Compare the Registry of two machines
Windiff is your friend, this simple GUI utility from the resource kit will list all the differences.
Within a registry file, comments can be preceded by "; "
; Turn the NUMLOCK on at login