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I'm currently trying to migrate a SBS 2003 exchange to office 365 and when I run the exchange connectivity tool I get the following error message.<br />
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The Microsoft Connectivity Analyzer is attempting to build certificate chains for certificate CN=mail.mydomain.com, CN=companyweb, CN=DC1, CN=localhost, CN=DC1.mydomain.local.<br />
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Any ideas?
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I'm currently trying to migrate a SBS 2003 exchange to office 365 and when I run the exchange connectivity tool I get the following error message.

The Microsoft Connectivity Analyzer is attempting to build certificate chains for certificate CN=mail.mydomain.com, CN=companyweb, CN=DC1, CN=localhost, CN=DC1.mydomain.local.

Any ideas?

The certificate chain didn't end in a trusted root. Root message when trying to configure RPC over HTTP

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.

Microsoft 365

HTTPS is a protocol for secure communication over a computer network which is widely used on the Internet. HTTPS consists of communication over Hypertext Transfer Protocol (HTTP) within a connection encrypted by Transport Layer Security (TLS) or its predecessor, Secure Sockets Layer (SSL). The main motivation for HTTPS is authentication of the visited website and to protect the privacy and integrity of the exchanged data. HTTPS is widely used for protecting page authenticity on all types of websites, securing accounts and keeping user communications, identity and web browsing private.