Ive set up a 2 member DAG in Exchange 2013, how to I configure the virtual directories on each member?

Im running Exchange 2013 and i used a guide online to setup a 2 member DAG, Ive got the DAG setup and in the process of creating database copies on the 2nd member.  But as both have CAS role how do I set the Virtual directory Internal and External URL's?  Do I set both servers the same?  How do I need to set my DNS for this?  I cant find any guides that tells you how to configure the URL's on each member after setting up the DAG.  

Can anyone help?

August 6th, 2015 2:33pm
Are you using a load balancer?  If not, you could use DNS round robin which would mean you'd use the same URLs on both servers matching a DNS entry with both IPs.  If using round robin and a server goes down, you have to remember to remove that entry (IP) from DNS otherwise the clients will experience issues.
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August 6th, 2015 3:03pm

Im running Exchange 2013 and i used a guide online to setup a 2 member DAG, Ive got the DAG setup and in the process of creating database copies on the 2nd member.  But as both have CAS role how do I set the Virtual directory Internal and External URL's?  Do I set both servers the same?  How do I need to set my DNS for this?  I cant find any guides that tells you how to configure the URL's on each member after setting up the DAG.  

Can anyone help?

August 6th, 2015 3:03pm

No load balancer, I only have 2 servers each with mailbox and CAS.  

Am i able to set them up so that users on site A connect to mailA and users on site B and external users connect to mailB? How would I achieve that?  Its just each server is at different locations with a WAN inbetween.  Site A has slow BB and Site B has fast BB so i like i say i need to setup the servers so that External users and site b users use Mail B and only users on Site A use Mail B?

Need to know how to set up the DAG for this setup and then how to set up client access?  Like i said ive only found articles explaining how to setup the DAG but cant find how to achieve what im trying to do?

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August 6th, 2015 3:07pm
To further add on to what I stated earlier and using OWA as an example, your internal URL could be something like "https://owa.your.domain/owa for both Exchange servers.  In DNS, you'd have two "A" records with the hostname "owa.your.domain"; one with the IP of your first exchange server, and one with the IP of your second exchange server.  Client lookups of "owa" will be randomly assigned between the two Exchange servers.  A load balancer (Layer 4 or 7) makes this much easier, but sometimes that doesn't fit into IT department budgets.  Here's an article that might help as well: http://exchangeserverpro.com/exchange-2013-client-access-server-high-availab
August 6th, 2015 3:08pm

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