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Exchange 5.5 (1 org) (1 Site) (2 Servers per site) servers reside across a frame relay network.

Posted on 2002-05-09
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Last Modified: 2010-03-05
I would like to know if I can have Exchange 5.5 (1 org) (1 Site) (2 Servers in that site) with the servers residing across a frame relay network.

What I'm trying to accomplish is a never down e-mail network.  

This means building a 4 node frame-relay network with redundant PVC's to a designated remote location (of the frame-relay network) which is housing the second exchange server in the Exchange site.

Then if the Main site of the frame-relay network looses power, tornado, etc., then I want the additional PVC's to have connectivity to the designated exchange server as the backup server within the origional site of Exchange.

Both servers will have Internet mail service running on them to send and receive mail.  But what I want is the host server running internet mail service to be the only active internet service running until a disaster happens because the remote internet mail service will only be connected to an ISDN dedicated or dial up. OH yeah I forgot to mention the ISP will be the same company on both ends for internet access.

My question is, can I do this?

Also if I can, how does the MX records get set up at the ISP since I will have 2 different IP addresses to forward mail to from the internet?

Please help.  I'm not even sure you can run 2 internet mail services in one site.....

Thanks for your help.
Marty



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Question by:mss28
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by:ThaiTran
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ferose earned 50 total points
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Internet mail redundancy :

Register MX records with your ISP with a higher weightate to your primary server ( say 10) and lower weightage ( say 20) to your secondary server.

I am assuming that you will have two seperate valid Ip's for both the servers

If the primary mail is not available on the net, the incoming internet mail id's would be delivered to your secondary server.

I am not too familiar with mail server redundancy for exchange 2000 on WAN, i guess if your FR bandwidth between the two servers are good enough, you may opt for native fail over mode. otherwise, configure a connector ( x.400) to replicate the directory between the servers.

Rgds,
ferose    

   
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