So I was contacted in IM today by a past colleague (Hey Steve) now doing some consulting and he brought up this issue and trying to find the value as well as some background. The issue came up with a customer who wanted to have what is referred to...

Please note very carefully that this is an issue for clients that can sign-in to the MSN and AOL services. This could possibly impact those customers running Windows Messenger 5.1 or Mac Messenger which both support multiple "stacks" or services. http...