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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. Visit the RCA section on the tools page to view a list of Microsoft Knowledge Base articles that show how to use the RCA tool in troubleshooting scenarios.
This wiki contains information about tools that you can use to help troubleshoot issues with Office 365. It also contains links to resources such as Microsoft Knowledge Base articles, troubleshooting videos, and TechNet Radio webcasts that show how the tools are used to diagnose and resolve specific Office 365 scenarios. We also recommend that you refer to the Troubleshooting section of the Office 365 Community for additional information about troubleshooting scenarios.
You can view the tools in any of the following ways:
You can also use the table of contents in the right navigation pane to jump to a specific page in this wiki.