Forum Discussion
Exchange Hybrid Wizard Error (413)
Hello, we are running into issues with the Hybrid Wizard. On the last point validation, we always getting the same error and dont know what to do, cuz it says the external server is responding with...
- Please make sure the MRS proxy is enabled in your Exchange Server.
- Run Remote connectivity analyser tool for your exhcnage on-premises environment for exchange webservices and make sure everything is working fine
- Make sure the Necessary ports for Hybrid are Open inbound/outbound.