While that is possible, I doubt it. As I said, all of our XP users here in
the office are not experiencing problems. It's only me and the one other
Vista user that cannot sign in to Messenger.

"Tom Porterfield" <tpporter@mvps.org> wrote in message
news:uDvy6iXDHHA.3212@TK2MSFTNGP04.phx.gbl...[color=blue]
> David McGown wrote:[color=green]
>> I've installed Vista (Build 6000) and Windows Live Messenger (Build
>> 8.0.0812) and cannot get Messenger to sign in. It gives the same error
>> every time - 81000306. This is a fresh & clean Vista install and the
>> local
>> firewall is disabled but there is a firewall on our router. Since all of
>> our XP SP2 users have no problem with the same version of Messenger, I am
>> guessing that there is something different about the way Vista works with
>> our router. My IT guy is reluctant to change anything at this stage
>> unless I can make specific requests about what needs to change.
>>
>> Any ideas what to change that might fix this? Is this a known
>> incompatibility with Vista and Messenger?[/color]
>
> I am also unable to log into Live Messenger, but on XP SP2, so I would
> guess that this is likely a problem with the service and not your Vista
> install.
> --
> Tom Porterfield[/color]