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Exchange 5.5 RPC

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Exchange 5.5 RPC - 23.May2001 11:51:00 AM   


Posts: 20
Joined: 23.May2001
From: Chesterfield, UK
Status: offline

I'm trying to publish an Exchange 5.5 server through an ISA server. I've
used the Mail publishing wizard and got SMTP working OK, but what I'd
really like to do is connect an Outlook client from the Internet through the
ISA server to the internal Exchange Server.
I realise that RPC is not very secure, I'll work on the VPN when I've got more time.

Outlook looks like the initial
connection is working but then I get a time out on accessing the Global
Address List. The logs are not showing any blocked connections from the
Outlook client I can't workout what's going on. Has anyone got any ideas?



Post #: 1
RE: Exchange 5.5 RPC - 23.May2001 7:01:00 PM   


Posts: 68
Joined: 23.May2001
Status: offline
Are you using Windows 2000 clients?

If you are using Win9x/NT4 clients then you should be aware of the follow fix:

External MAPI Clients Cannot Connect with RPC http://support.microsoft.com/support/kb/articles/q291/0/00.asp


(in reply to pbradey)
Post #: 2
RE: Exchange 5.5 RPC - 23.May2001 7:26:00 PM   


Posts: 30
Joined: 17.May2001
From: London, UK
Status: offline

Can't remember what ports RPC runs on but I know Microsoft have papers on them. The easiest way to test it is to open all inbound and outbound packet filters and protocol rules and see if it works. If it doesn't I assume you will need Lars' fix.

As you say this is an incredibly dangerous way of doing things as trashing your server through RPC is very easy. Definately go VPN.



(in reply to pbradey)
Post #: 3

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