I have installed Exchange 2013 with co-exist Exchange 2010. All the migration has been almost done.
Exchange 2010 has: webmail.mydomain.com
Exchange 2013 has: owa.mydomain.com
I have set autodiscover point to new exchange, all mails incoming and outgoing are fine.
However, the new exchange has been configure with a new purchase certificate and it shows status INVALID, I have found out that is because of the certificate itself problem and decided to export the exchange 2010 certificate (still valid) and import to new exchange 2013. The import is fine, I got the status VALID.
But now I have problem can not connect to Exchange 2013 mailbox when I launch MS outlook, it keep asking me for credential, and I am stuck here.
I tried on some machine and first of all they can launch MS outlook and connected to exchange but there is an error said problem with proxy setting.
I open Microsoft Exchange Proxy setting and I am very confused that it keep connecting to owa.mydomain.com and msstd:owa.mydomain.com
I think this is the cause of the problem but I don't know how to set or configure in new exchange 2013 to let it forget or delete the old address owa.mydomain.com.
Access to exchange via webmail is fine, no issue. Please help me
Thanks and regards,