I setup an exchange server so the address is exchange.domain.com and I need for it to be exchange.access.domain.com. I need to change it because I have a wildcard ssl certificate for *.access.domain.com and whenever a client logs into the exchange server through outlook, it gives a certificate error because the exchange server address is exchange.domain.com and not exchange.access.domain.com. Any help in figuring this out would be greatly appriciated.

Hi, This what you are looking for? http://technet.microsoft.com/en-us/library/bb123545.aspx The external host name parameter Leif

I changed the external host name and I am still getting the same certificate error in outlook. When I open outlook it still says it is trying to connect to exchange.domain.com instead of exchange.access.win-serv.net. Any other suggestions?

Hi, Look at the rpcclientaccess setting on the mailbox databases. Leif

Thanks for the help so far, can you please tell me how to get to that setting in the management console or how ever else I can check that setting?

Hi, The get-mailboxdatabase should tell you what the rpcclientaccesserver is set to and you can change it with the set-mailboxdatabase Leif

I forgot to say that outlook can connect to the exchange server just fine, that address is win-serv.access.win-serv.net. Not sure why, but outlook keeps trying to connect to exchange.win-serv.net also. I don't remember exactly what I setup exchange.win-serv.net up for in the first place, but outlook keeps trying to connect to it. Any suggestions on how I can either change the exchange.win-serv.net to exchange.access.win-serv.net or just get rid of it?

Hi, Did you find the rpcclientaccessserver setting? What was it? Leif

Here is what it shows: Name: Mailbox Database 0749805975 Server: WIN-SERV Recovery: False ReplicationType: None

Hi, Try again with this: get-mailboxdatabase "Mailbox Database 0749805975" | fl rpc* Leif

It shows win-serv.access.win-serv.net That is working fine. For some reason, outlook is trying to connect to another address which is exchange.win-serv.net. I need for it to be exchange.access.win-serv.net

Hi XBOXv2, If your Outlook clients that connect to Exchange from inside the local network, you can refer to this document: Security warning when you start Outlook 2007 and then connect to a mailbox that is hosted on a server that is running Exchange Server 2007 or Exchange Server 2010: "The name of the security certificate is invalid or does not match the name of the site" http://support.microsoft.com/kb/940726 Thanks, Evan