MS Exchange FAQs at http://www.swinc.com/resource/exchange.htm
> >I have installed an E2K server into a large Exchange Organization. This
> >the second E2K server to be installed. Neither server will allow logins
> >OWA, rejecting them with the "HTTP/1.1 503 Service Unavailable" message.
> >can't find anything in Technet that lends a clue as to why we might be
> >getting this error. I suspect it has to do with Active Directory, but I
> >not sure. Has anyone run into this error?
> Any help from this KB article:
> http://support.microsoft.com/support/kb/articles/Q282/2/30.ASP XGEN:
> Error Message "HTTP/1.1 503 Service Unavailable" on Multiple Web Sites
> on Single Server?
> MS Exchange FAQs at http://www.swinc.com/resource/exchange.htm
Since applying the exchange service pack I have been getting "HTTP/1.0 503
Service Unavailable" after authenticating to Outlook Web Access.
Does anyone have any ideas of what I need to do to fix this?