"AOL began disconnecting live chat sessions Friday between MSN
Messenger users and AOL's own instant messaging users."
"You have been disconnected from the AOL Instant Message
Service for accessing the AOL network using unauthorized
software. You can download a FREE, fully featured, and
authorized client, here," the sabotaging message informs MSN
"Microsoft released its new MSN Messenger service and client
software last month so that users could access AOL's popular
Instant Messenger accounts."