Hacks and Tweaks


October 6, 2009

Disable Messenger Service (Not MSN Messenger)

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Written by: arunenigma

Disable Messenger Service (Not MSN messenger)

In the default installation of XP, the Messenger service runs by default. Messenger in windows2000/XP is similiar to the functionality of what “WinPopup” was to Win3.x/9X. However, having this service running will cause problems in the very near future, as Antonecan send popup messages to your computer when you have this service running. (The service doesn’t check where the message comes from).

Don’t believe it?

At the command prompt, type “net send IPADDRESS_OF_CLIENT_TO_SEND_TO Your Message” and that person will get a popup window immediately with “Your Message” .. the popup window will says “Messenger Service” in the title bar and will contain your workstation’s name and the time. You can send a message to yourself by typing “LOCALHOST” to test this.

Another thing worth noting, if you are using a microsoft firewall, these messages will still be sent through the firewall.

To make it so others cannot send these messages to you, disable the Messenger service from Services.

(Go to Control Panel > Perf. & Maint. > Administrative Tools > Services. Double click the Messenger Service, change ‘Automatic’ to ‘Disabled’ and click the Stop button.) Once you’ve done this, people trying to send messages via the net message service will get errors. While you’re at it, it might be wise to disable the ‘Administrative Alerts’ service as well.

The description Microsoft gives for this service is as follows: “Transmits net send and Alerter service messages between clients and servers.”

This service is not related to windows Messenger. If this service is stopped, Alerter messages will not be transmitted. If this service is disabled, any services that explicitly depend on it will fail to start.

About the Author

Computer Science Graduate Student @ Case Western Reserve University, Cleveland, USA



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