Your company has a Microsoft Exchange Server 2003 organization.

Users access the

ir mailbox by using RPC over HTTP and Exchange ActiveSync.

You purchase an Office 365 subscription. From the Office 365 portal, you create and verify the accepted domain of the company. From the Exchange Control Panel, you attempt to migrate all of the ma

ilboxes to Microsoft Exchange Online and you receive an error message indicating that the remote server is unavailable.

You need to identify what prevents the mailboxes from migrating.

Which tool should you use?

A. the Microsoft Remote Connectivity Anal

yzer

B. the Exchange Server Deployment Assistant

C. the Office 365 Deployment Readiness Tool

D. the Microsoft Online Services Directory Synchronization Configuration Wizard

References:

http://o365info.com/microsoft-remote-connectivity-analyzer-exrca-autodiscover-troubleshootingtools-part-2-of-4-part-22-of-36/