Enable Multiple Instances of Windows Live Messenger for Multi Logins
So far until Windows Live Messenger 2009, all versions of MSN Messenger and Windows Live Messenger (WLM) does not support running multiple instances of the program. It means that at any one time, only one Windows Live Messenger program is allowed to be launched, effectively restricts WLM users to login to just not more than 1 account at one time.
In Windows Live Messenger 2009 (current version installable through Windows Live Essentials), Microsoft has added support for running multiple instances of Windows Live Messenger, allowing user to sign in to multi-login and log on to multiple accounts. The helper external third party programs such as MultiLive or MultiMSN no longer required.
The support for multi-WLM is not enabled by default, but can be easily turned on and enable with registry hack.
- Run Registry Editor (regedit).
- Navigate to the following registry key:
KEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Live\Messenge
For 64-bit (x64) OS, go to following registry branch instead:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Live\Messenger
- In the right pane, right click on any blank space, select New on context menu, and then click on DWORD (32-bit) Value.
- Name the new registry value entry as MultipleInstances.
- Modify the MultipleInstances and set its value data as 1.
- Start as many Windows Live Messenger windows as you want from Start Menu.

Note that you need a different Windows Live account (MSN Passport user name) and password in order to run two or more instances of Windows Live Messenger. If you have set automatically login upon running WLMessenger, an error may pop up when additional instance is run if your login is still signed in when new instance opening. Just change to your second WL Messenger login.
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February 6th, 2010 08:10
fantastic thank you
February 4th, 2010 02:12
OMG that was so easy Thanx man ive been wating for so long to do this, crazy!!!!!
February 2nd, 2010 06:36
Took me abit to find the right directory, but it worked perfectly and with no problems ^^
oh how long I have been waiting to do this, thanks !
January 19th, 2010 04:00
hi , i did every thing but its not work , can any one help me ? tnx
December 29th, 2009 17:28
vry gr8 trick man!!!! it works gr8 with me… Windows 7 ultimate
December 21st, 2009 02:23
what a fucking website I just want to download MULTIPLE MSN 14 !!!:@:@ I don’t want to download fucking vbuzzer:@:@!!! fuck u all…..