Re: SQL Server 7 and DTC

"Ian Stocks" <[email protected]> Thu, 10 Feb 2005 22:39:19 -0000
Newsgroups gmane.comp.security.zebedee.general
Message-ID <005801c50fc1$5bbffa20$2c99a8c0@blue>
----- Original Message ----- 
From: "AFJ" <[email protected]>
To: <[email protected]>
Sent: Thursday, February 10, 2005 8:22 PM
Subject: [Zebedee-talk] SQL Server 7 and DTC


> Hello
>
> Is anybody connecting SQL Server 7 machines with Zebedee to perform
> distributed queries with MS DTC (distributed transaction 
> coordinator) on a
> WAN?
>
> I wonder if it's necessary to tunnel the ports used by MS DTC too, 
> or just
> the port used by SQL Server 7?

I did briefly have transactional replication running over a couple of 
zebedee links (need two links, as connections could be made from 
either end). This was under NT4, I think it has got progressively 
harder with W2K, XP and W2K3 server, and being able to listen on rpc 
ports for localhost ip addresses. If you have a Unix/Linux box at each 
end to do the zebedee bits it may be easier but I haven't tried it.

From what I remember you need to limit the ports that RPC will use for 
connections :-
http://www.pistonheads.co.uk/sales/detail.asp?i=36200&s=39

A liberal sprinkling of Alias names to make SQL Server think the 
machine that is running zebedee is the server at the other end of the 
link.

All that and 4 instances of zebedee.exe, 2 server, 2 client, 1 of each 
at each end.

I can dig out the config of zebedee I used if you think it would be 
useful.

Ian. 



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