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RPC over HTTP on a single SBS server with ISA 2004 issues

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RPC over HTTP on a single SBS server with ISA 2004 issues - 14.Aug.2005 9:19:00 AM

mattyt1975

Posts: 3
Joined: 13.Aug.2005
From: Perth, Western Australia
Status: offline

In reading some info to try and help myself I inadvertently psoted this message in the ISA 2000 board...(sorry!)

I have recently done a server rebuild due to problems after changing isp's (the external adapter doesn't like being changed with ISA 2000)

I am having some similar problems with RPC over HTTP now that I have ISA2004 installed.

Unfortunately budgetry requirements enable me to have only one SBS2003 premium server to do everything (ISA, IIS, Exchange etc...)

I have previously had OWA and RPC over HTTP working in this single server environment (with ISA 2000) by following the relevent documents found on the web....

I have had major problems getting OWA to work but have found a work around by tunneling SSL requests through to IIS (where they are authenticated) I realise bridging is better but I can't work out a way to publish a cert to both IIS and ISA when they are located on the same server... Can this be done?

Anyway OWA is working and RPC behaves correctly when tested via a webpage (ie enter username/password three times and get appropriate error) Outlook client has same settings and cert has been imported into trusted on client pc.

Outlook accepts username/password but will not connect outlook to exchange. Naturally it works fine if I connect to my VPN

If I put a different Domain/Password - outlook comes back and asks again so I can assume its authenticating.... Any clues anyone?

Post #: 1

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RE: RPC over HTTP on a single SBS server with ISA 2004 ... - 15.Aug.2005 7:08:00 AM

tshinder

Posts: 47490
Joined: 10.Jan.2001
From: Texas
Status: offline

Hi Matty,

Moving to the SBS section.

Thanks!
Tom

(in reply to mattyt1975)

Post #: 2

RE: RPC over HTTP on a single SBS server with ISA 2004 ... - 15.Aug.2005 7:10:00 AM

tshinder

Posts: 47490
Joined: 10.Jan.2001
From: Texas
Status: offline

Hi Matty,

Did you use the Wizards? It should work automatically.

Thanks!
Tom

(in reply to mattyt1975)

Post #: 3

RE: RPC over HTTP on a single SBS server with ISA 2004 ... - 15.Aug.2005 9:26:00 AM

mattyt1975

Posts: 3
Joined: 13.Aug.2005
From: Perth, Western Australia
Status: offline

I don't believe there is a wizard that sets this up for you especially not in a single sbs server environment.

I have actually solved the problem.... I had all the certificates and everything sorted correctly and it was authenticating.

A search of event viewer showed an RPC proxy start up error and a problem with the port config for 6001-6002 & 6004

Whilst I thought I had this configured correctly I read an article relating to the use of capitals (that you shouldn't use them) as well as a microsoft article that explained how the Netbios and FQDN worked. I used the ipconfig /all command - adjusted the registry settings and booyah! everything was up and running like it used to a few weeks ago....

My only concern is that I have an SSL tunnel in ISA for both OWA and RCP over HTTP...(instead of a bridge) From what I have read there is no getting around this without an additional server (it seems that you can't publish a certificate for IIS and ISA on the same PC) Clarification of this would be appreciated so that I know I have made it as secure as it can be with the hardware/software available to me.

Cheers

Matt

(in reply to mattyt1975)

Post #: 4

RE: RPC over HTTP on a single SBS server with ISA 2004 ... - 15.Aug.2005 1:51:00 PM

tshinder

Posts: 47490
Joined: 10.Jan.2001
From: Texas
Status: offline

Hi Matt,

You can create two Web Publishing Rules, one for OWA, and one for RPC/HTTP -- but that requires that you have two IP addresses bound to the external interface.

If you do that, then it'll work. Otherwise, you'll have to use SSL+Basic auth for both OWA and RPC/HTTP.

HTH,
Tom

(in reply to mattyt1975)

Post #: 5

RE: RPC over HTTP on a single SBS server with ISA 2004 ... - 15.Aug.2005 3:33:00 PM

HandyAndy

Posts: 29
Joined: 1.Aug.2005
From: Kernersville, NC USA
Status: offline

Hi Matty,

There is indeed a wizard that will setup owa and rpc over http for you in SBS. It is called the CEICW and you run it from the admin console, look for a link called "Connect to the Internet" when you run that and answer the questions it will setup all the rules for you.

(in reply to mattyt1975)

Post #: 6

RE: RPC over HTTP on a single SBS server with ISA 2004 ... - 16.Aug.2005 7:12:00 AM