CAS-Transport-MBX on Single Server

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P

PuckFan



I started a transistion from Exchange 2003 to Exchange 2010 without finishing my Exch 2010 book. After I had installed the server with all three roles I read the chapter saying to install the CAS first. What would be my best course of action now. My current Exchange 2003 OWA and Mail server are in the same DMZ and I don't have an ISA server. My owner is too cheap to do it right so I need to make due with what I have. I have another server that I was going to make my new OWA box. Right now none of the mailboxes have been moved except mine and it isn't sending and receiving mail well. It won't let me move it back. I can bring up my mail locally in OWA but it won't display the graphics, just boxes and red Xs.

I am fine with keeping it all the on the same box if I can make it work.
 
T

TWHarrington



It is perfectly acceptable to have all roles installed on the same box. One thing to note is that it is not supported to have any Exchange 2010 role in the DMZ except the Edge server. The CAS server needs to live on your internal network. If you don't have an ISA/TMG server to do reverse proxy, then you will need to have a NAT translation directly from the internet to the internal CAS server.

Here is a link on coexistence of your CAS role with Exchange 2003 so that you have a single log in page for users in both environments.

http://technet.microsoft.com/en-us/library/ee332348.aspx
 
M

Mumin CICEK [MVP]



hi,

an addition to Tim, all the roles can be installed on one server during migration. and it is not important the order of installation of the roles. because all the roles will be installed on one server.

so after installing exchange sever roles you must move all the mailboxes to your new exc server then you must remove the routing groups, connectors from exchange server 2003. because your exchange server 2010 will continue to use exchange server 2003 to send messages outside.

after deleting routing groups and connector and moving all the roles to exchange server 2010 you can configure firewall settings if you have.

and please look at this links, sorry they are in Turkish but you can follow from pics the article, what can be done during migration to exchange server 2010 from exchnge server 2003,

http://www.cozumpark.com/blogs/exch...-2003-ten-exchange-2010-a-ge-i-lemleri-1.aspx

http://www.cozumpark.com/blogs/exch...en-exchange-server-2010-a-ge-i-lemleri-2.aspx

and after all of these you can buy an SSL certificate for your exchange server 2010.

for SSL look at this;

http://www.digicert.com/ssl-certificate-installation-microsoft-exchange-2010.htm

regards,

Mumin CICEK | Exchange - MVP | www.cozumbilisim.com.tr | www.mumincicek.com | www.cozumpark.com
 
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