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Import Call of Duty Registry Key

2018/06/18 15:53


When playing multiplayer games in LAN, many times the games cannot be played due to conflict to the game serial number (key).


1) You need a keygen or keys for this game.

2)  Once you have keygen, diskless boot one of the client PC(Eg. s PC01).

3) Locate registry entries for the game in the Registry.

Example of the game Call of Duty Modern Warfare 2 registry might look like below.

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Activision\Call of Duty 4]
"InstallPath"="E:\\Offline Games\\Call of Duty 6 - Modern Warfare 2\\"
"StartMenuFolder"="C:\\Documents and Settings\\All Users\\Start Menu\\Programs\\Activision\\Call of Duty(R) 4 - Modern Warfare(TM)"
"UninstallString"="C:\\Program Files\\InstallShield Installation Information\\{E48469CC-635E-4FD5-A122-1497C286D217}\\uninstall.exe -runfromtemp -l0x0409"
"EXEStringS"="E:\\Offline Games\\Call of Duty 6 - Modern Warfare 2\\iw3sp.exe"
"EXEStringM"="E:\\Offline Games\\Call of Duty 6 - Modern Warfare 2\\iw3mp.exe"
"Techhelp"="E:\\Offline Games\\Call of Duty 6 - Modern Warfare 2\\Docs\\Help\\readme.htm"

4) Change the game directory to match yours here for COD MW 2 change game path in "EXEStringS"=  and "EXEStringM".

5) Open your "Keygen" program and generate keys for the game.

6) Replace the above “codkey” with generated key and export the registry.

7) You need to save the registry file like cod2pc102.reg, cod2pc103.reg etc.

8) You need to make registry for all your clients.

9) Once done we need to run the exported registry file automatically during client boot to desktop we can do that by running a batch command.

regedit.exe /S cod2%computername%.reg 

10) Add the above line in the public.txt file and save it.

(Refer Auto Run Batch Commands at Client to setup auto run batch.)

10) Once the client boot the registry will be applied and you can play Call of Duty Mordern Warfare 2 in LAN.

Note: This method works for numerous other multiplayer games.

Just difference will be the codkey and registry file names.

You can find registry for other games from


Game CD Key Conflict