Exchange Instant Messaging Temporarily unavailable

Archived from groups: microsoft.public.windowsxp.messenger (More info?)

Found the solution. it related to our proxy server. Even though I had
"Bypass proxy server for local addresses" ticked, I still had to include the
IP address in "Do not use proxy server for addresses beginning with"

Anyway, it works now.

John

"John" <john_corangamite@hotmail.com> wrote in message
news:eJH8KODfFHA.1148@TK2MSFTNGP12.phx.gbl...
> Hi,
>
> Using Windows Messenger 5.1 on Windows XP Pro SP2 W/S and connected to an
> Exchange 2000 server. Suddenly, when I try to log on I get the following
> error message. "Signing in to Exchange Instant Messaging failed because
> the service is temporarily unavailable. Try again later".
>
> I can logon easily on a different workstation using the same account so
> the problem must be related to the workstation I'm using. I have tried
> uninstalling Messenger and re-installing but have had no success.
>
> Any suggestions please?
>
> John
>