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Exchange 2007-2013 co-existance scenario - Outlook cannot connect to the new server.
Asked by
Evgeny Tkachev
Asked by
Evgeny Tkachev
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The problem: After installing the Exchange 2013 server in a co-existence scenario with existing server exchange 2007 the outlook cannot connect to the new mailboxes, created in Exchange 2013, showing the credentials window and following error: “There is a problem with the proxy servers's security certificate. The name on the security certificate is invalid or does not match the name of the target site [server.domain.com]. Outlook is unable to connect to the proxy server. (Error Code 0).”
The owa access for the same mailboxes works fine and sending/receiving emails is possible.
When trying to open https://*-mail-01.*.local/rpc in the browser, it asks for credentials and then gives error 404.
Configuration data:
Certificate is imported to both old and new exchange servers.
SMTP, IMAP, POP and IIS are signed by the new certificate in the Exchange 2013 server.
* - company internal domain name
** - company external email domain
Directory
URL (internal and external)
Authentication
Autodiscover
Integrated windows, standard
Ecp
https://mail.*.local/ecp
Standard, formular-based
EWS
https://mail.*.local/ews/exchange.asmx
Integrated windows
Microsoft-Server-ActiveSync
https://mail.*.local/Microsoft-Server-ActiveSync
SSL-Activated, Standard,Client Certificate Ignore
OAB
https://mail.*.local/OAB
owa
https://mail.*.local/owa
Form-based Domane\Username
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