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Second/Backup OWA site for backup line

Dear All, I am in a bit of a challenge here finishing a secondary or backup OWA site for the backup line. We currently have MX records with a different priority for example webmail.xxx.org has priority of 10 and is bind to X public IP address. Our iphones are set to work with that and our OWA remote email access. All set here.

However, If the X IP address network goes down our email still works with a backup line with Y IP address. I need to know how or what to do for our Y public IP address to also answer or provide remote OWA solution so the user instead of going to webmail.xxx.org just change the address to webmail2.xxx.org.

I have the MX record for it, the connector in exchange 2007, The firewall already has the rule, I am wondering about the certificate and the IIS part.

Thank you!

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marceloNYC
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marceloNYC
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1 Solution
 
endital1097Commented:
you should have the same certiifcate install on this other cas server
you should configure your external dns A record for webmail with a short TTL
when you need to failover update the IP address
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Mkris9Commented:
I assume that only your line / IP changes during an internet failover, not the back end of CAS and Mailbox servers.

In that case, the certificate should have the 2 names registered with it. webmail and webmail2. Also dont have to worry about IIS
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marceloNYCAuthor Commented:
Yes,the secondary line fails over. I have it so in an ASA 5505.


So am I going to have to "regenerate a certificate for both OWA" or should I buy a new one?










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endital1097Commented:
no, you would want to use one certificate with one name webmail
you would need to update the external dns record for webmail with the new ip

otherwise using multiple names would require updating all handheld devices with the new url and informing everyone the owa url has changed
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marceloNYCAuthor Commented:
Thank you so much for the help guys!
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