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Swap Front End and Back End IP Addresses?

Posted on 2007-11-28
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Last Modified: 2008-02-20
After one gotcha, the FE/BE topology is up and running.  However, I must swap the IP addresses of the FE and BE servers.  I have looked on MS site, but don't see anything about hazards of swapping FE/BE IP addresses.  Is it as simple as it sounds or is there something I need to know before swapping the IP's?


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Question by:nugentgl
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by:Sembee
ID: 20369682
The problem you are going to have is the swap. You will need to disconnect one while you change its IP address - or use a third interim IP address. I would suggest that you reboot both servers after changing the IP address.

Simon.
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by:nugentgl
ID: 20369739
Since I didn't here anything for 6 hours, I decided to do it the safe way.  I used a third interim IP address and the swap was uneventful except that Exchange ActiveSync isn't working anymore.  I get the typical error code on my device.  I don't have Enforce SSL checked and I don't use Forms based Authentication, so I am at a loss.  I can browse to http://mailserver/oma and https://mailserver/oma and it works just fine.

Any ideas?
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Sembee earned 250 total points
ID: 20373324
To get EAS to work, did you set up the server like MSKB 817379? If so, have you changed the restrictions on the connection that it outlines?

Simon.
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by:nugentgl
ID: 20382244
I followed everything in that article, but no help.  I broke down and called MS support.  It turned out that when I first tried to get Exchange Activesync working a year or so ago I had major issues and called MS support then.  To get Exchange Activesync working, the MS tech added a reg key to make it work.  However, that key only works for stand alone Exchange environments.  I removed the key, rebooted and all was well.
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