RE: Access Dennied trying to use OWA

Hi Kevan,

Thanks very much for you info. My OWA is now working a treat!!
Very much appreciated.

I will and regrow the hair i've been pulling out over the past week!!

Thanks again

Chris



"Kevan" wrote:

> Hi Chris
>
> Yes I have got it working OK now.
>
> I deleted all my rules on the ISA server and certificates that I had
> alreadty issued and followed this article precisley.
>
> http://www.isaserver.org/tutorials/2004owafba.html
>
> I had to Uncheck the Forms based authentication on the Exchange Server
> (which someone had set) and it all worked perfectly.
>
> I used the MS Certificate service to issue the Certificate. This does mean
> my users get a warning every time they access OWA.
>
> I was lucky that this was our first ISA Server so there were no other rules
> to worry about. Our ISA Server sits in our DMZ behind a Watchguard Firewall.
>
> I NATall incoming requests on port 80 and 443 to the Outside NIC on the ISA
> Server Outside NIC. The Internal NIC of our ISA Server sits on our LAN.
>
> Hope this helps.
>
> Best regards
>
> Kevan
>
>
>
>
>
>
> "Chris Myers" wrote:
>
> > Hi Kevan,
> >
> > I am having the same trouble, did you find any solutions for this?
> >
> > Any help would be greatly appreciated.
> >
> > Thanks
> >
> > Chris
> >
> >
> >
> >
> >
> > "Kevan" wrote:
> >
> > > OK
> > >
> > > By creating a hosts file entry on my test PC that resolves owa.domain.com to
> > > the outside of my ISA Server Nic I am now being presented with the Security
> > > Alert about the Certificate on the site. I click Yes to proceed but then get
> > > an Error 500.
> > >
> > > Internal server error about the certificate chain not being trusted.
> > >
> > > Kevan
> > >
> > >
> > >
> > > "Kevan" wrote:
> > >
> > > > Hi all,
> > > >
> > > > I have been trying to configure OWA access to Exchange 2003.
> > > >
> > > > Our ISA server is new and this is the first Access Policy I am trying to set
> > > > on it.
> > > >
> > > > The External Nic is in our DMZ which lies behind a Watchguard Firewall. The
> > > > Internal Nic is on the Lan.
> > > >
> > > > I have followed word for word the step by step guide to Publishing a single
> > > > Exchange 2003 site but continue to run into problems.
> > > >
> > > > From the ISA server I can access OWA OK however I do get a warning about
> > > > Revocation information for the secuity certificate is unavailable. I allowed
> > > > CRL download in System policies but this has not helped??
> > > >
> > > > However if I OK the message I can then get to the Login page for OWA.
> > > >
> > > > From a Laptop connected into our DMZ with its default gateway pointing at
> > > > the External NIC of the ISA Server I can not connect to OWA, Eventually the
> > > > connection times out with a server unavailable message or DNS error. In the
> > > > ISA logs I can see the Lap Top trying to connect but the ISA server Denying
> > > > the connection.
> > > >
> > > > Under action in the logs it says connection Denied but under Rule it does
> > > > not say which rule is denying the connection.
> > > >
> > > > I have been at this now for 2 days and can not see where I am going wrong.
> > > >
> > > > The only other rules are the one set up when I used the Backend Network
> > > > Template to configure the initial setup. This allows outbound HTTP, HTTPS
> > > > and FTP connections.
> > > >
> > > > I have MOved the OWA rule to the top of the list in Firewall rules.
> > > >
> > > > It must be something very simple that is wrong but I can not spot it.
> > > >
> > > > Any help or pointers would be much appreciated.
> > > >
> > > > thank you.
> > > >
> > > > Kevan
> > > >
.

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