Outlook anywhere

I have been asked to make Outlook Anywhere available to remote workers, the environment is basically this - 2 site, ex2010 edge in both sites and 2x multi role ex2010 in each site. My plan is to install TMG on the physical edge server in site1 alongside the exchange product and host outlook anywhere from here. A public cert will be available for mail.domain.local  which will have MailDR.domain.local inc Autodiscover included. And the external URL will be mail.doma..... Or MailDR.doma... depending on the site

Is this good practice?

How do I restrict Outlook Anywhere to domain joined machines only?

Also how will clients failover to MailDR.domain.local if site was suffered a total loss?
StuartTechnical Architect - CloudAsked:
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Simon Butler (Sembee)ConsultantCommented:
You cannot put internal names on the public trusted SSL certificate.
Therefore you will need to enable a split DNS so that the public name resolves internally to the servers as well.

TMG would be one option - although it is a dead product now.
However it is pretty much the only option to control Outlook Anywhere access.

For failover, you would need a load balancer. That is pretty much the only automated way.
Manually you could turn the TTL time down on the DNS entries, then change the DNS in the event of a failure.


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StuartTechnical Architect - CloudAuthor Commented:
If a site 1 outage was to occur the load balancer would not be available to route traffic to DR so that wouldn't work?? for the DNS method ( presuming split DNS is sorted ) mail.domain.com would NAT to the edge server which would route Outlook Anywhere services to a load balancer, would the manual change be to edit the public DNS for mail. to route to the edge server in site 2?
Simon Butler (Sembee)ConsultantCommented:
Put the load balancer in a third location. Alternatively you could use a cloud based load balancer/service to provide the failover

The DNS change would just need to get the traffic to the second location.

StuartTechnical Architect - CloudAuthor Commented:
Helpful as always :)
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