Issue Outlook 2013 connect proxy error certificate.

[venezia79]

Hi all,

i'm new user in this forum, how describe this topic title, i have a problem with connection between the my outlook 2013 and my server with exchange 2013.

When i open oulook 2013, i see a message the error that say:

There was a problem with the security certificate of the proxy server .
The security certificate was not issued by a trusted certificate authority

Any idea what might be.

Thanks

Enrico Gaetani