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Re: DCOM Authentication acrosss NT Domains?
From: Pratyusa Manadhata (pratyu22
YAHOO.COM)
Date: Thu Mar 20 2003 - 01:00:56 CST
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If there is no firewall between the server and the client
---------------------------------------------------------
1- Establish trust between the domains and then give persmission to the
client on the server using DCOMCNFG or using CoInitialiseSecurity() in your
code.
2- If you don't want to establish trust between the two domains, you can
use Windows 'fall back authentication'. Create a local user on the server
machine where DCOM server is running(Lets say username:testuser, password:
pass) and give access permission to this local user on the DCOM server. On
the client machine (on the other domain), create a local user with same
username and password as above (testuser,pass). Then run your client
application as the user 'testuser'. It will be able to connect to the
server.
In case there is a firewall
---------------------------
You need to open few ports like 135 and others. See this document.
http://www.microsoft.com/com/wpaper/dcomfw.asp
HTH
Pratyusa
On Wed, 19 Mar 2003 21:00:09 +0100, Christof Stadler
<christofstadlerCHRISTOFSTADLER.DE> wrote:
>Hi experts,
>
>is there any documentation about the behaviour of DCOM if client and
>server run in two different NT domains? We have the problem that our
>client application is not able to establish the connection to the
>server in that scenario.
>
>TIA
>
>Christof
>
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