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Message Routing Solution

AGhanem
AGhanem asked
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Last Modified: 2013-11-15
Hi there i need your help in setting up two Front End servers

i have 2 FE servers and 2 BE server in two diffrent sits each FE server direct all the out going message to a smart host ( Message Labs) i have 2 routing groups every one has 1 SMTP connector the the smart host for outgoing messages route and another connector for the enternal route

what i need to do is use the two FE servers as fualt tolerance i mean ( al the network configurations already done ) from E2ks point of view how to configure the Routing groups and connector to do this  

any ideas
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Expert of the Year 2007
Expert of the Year 2006

Commented:
Fault tolerance on what?

If you mean which server the email goes out on, then you will not get that in this scenario. The only way you would get that is if you were able to add all the servers to the same SMTP Connector.

Simon.

Author

Commented:
yes that's what i ment for the two FE servers .

Author

Commented:
so what is the best scenario to accomplish this

thanx
Expert of the Year 2007
Expert of the Year 2006

Commented:
You are looking at a solution rather than the problem.
What are you actually planning for?
You find a solution to fit the scenario.

Simon.

Author

Commented:
ok simon i got your point

I hvae the up mentioned set up right now both FE servers have its own Real IP and MX record and interner connection

now the scenario is  two RG each has one SMTP connector to the smart host

and another one connector using the BE and the FE of the other site as a remote Bhead that connector is configured in the general tap to connect this RG to the the other RG at the other site .

i need to know if i can atumatically use the remote FE server in message routing in case of the local FE failure .

if yes how? i hav'nt no problem in redesign my RG setup all i need to know is it applicable with my current setup and if not then what i need mor to become applicable
Expert of the Year 2007
Expert of the Year 2006
Commented:
There is no way of doing what you want to do.

If you want to have redundancy on the routing group then you will need to have two frontend servers in each routing group. Exchange does not have that kind of redundancy built in or via its native configuration.

If you don't want to do that then you are looking at a manual process. In the event of a frontend failure I would just move the backend in to the other routing group. Takes about 30 seconds and email is flowing again.

Another option would be to change the scope of the SMTP Connector from routing group to org. Then email messages would also find their way out.

If you have built the frontend servers on decent hardware, then there is a higher chance of having an internet connection failure than an Exchange server failure.

You plan for what is practical. With a properly configured alerting system you could know very quickly when a frontend has failed and the measures to work around that failure can be implemented in less than two minutes.

Simon.

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Author

Commented:
thanks alot simon
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