Microsoft Remote Connectivity Analyzer (Web)

The Microsoft Remote Connectivity Analyzer (RCA) is a web-based tool that can help you confirm that connectivity for Exchange servers is configured correctly and to diagnose any connectivity issues. RCA website offers tests for Microsoft Exchange ActiveSync, Exchange Web Services, Microsoft Office Outlook, and Internet email.

For more information, visit the following Microsoft website:

• http://technet.microsoft.com/en-us/library/jj851141(v=exchg.80).aspx

Articles and Videos

The following articles and videos demonstrate how to troubleshoot and diagnose issues using the Microsoft Remote Connectivity Analyzer tool:

	Error message when you try to migrate users from an on-premises Exchange Server environment to Exchange Online in Office 365: "Unable to connect to the server" When you use the E-mail Migration Wizard in Exchange Control Panel in the Office 365 portal to try to migrate users from an on-premises Microsoft Exchange Server 2010, Exchange Server 2007, or Exchange Server 2003 environment to Exchange Online in Office 365, you receive an error message.
	Federated users can't connect to an Exchange Online mailbox You cannot use your Office 365 federated credentials to authenticate Microsoft Outlook or Microsoft Exchange ActiveSync by using a smartphone to Exchange Online services.
	How to diagnose single sign-on (SSO) logon issues in Office 365 by using Remote Connectivity Analyzer This article describes how to diagnose single sign-on (SSO) logon issues in Office 365 by using Microsoft Remote Connectivity Analyzer. It also contains information about causes of common SSO failures and lists links to resources for how to troubleshoot the issue.
	Troubleshooting Skype for Business Online DNS configuration issues in Office 365 This article describes how to troubleshoot Skype for Business DNS configuration using RCA.