Action: Verify on-premises connectivity to EWS and Autodiscover Use the Remote Connectivity Analyzer Tool to troubleshoot ...

Action: Verify on-premises connectivity to EWS and Autodiscover  Use the Remote Connectivity Analyzer Tool to troubleshoot connectivity issues that affect the Exchange Server deployments. The tool simulates several client logon and mail flow scenarios. When a test fails, many of the errors have troubleshooting tips to assist in correcting the problem. In particular, test connectivity for Exchange Web Services (EWS) and Outlook Autodiscover.