Exchange was unable to communicate with the autodiscover endpoint for your Office 365 tenant. This is typically an outbound http access configuration issue. If you are using a proxy server for outbound communication, verify that Exchange is configured to use it via the "Get-ExchangeServer –InternetWebProxy" cmdlet. Use the "Set-ExchangeServer –InternetWebProxy" cmdlet to configure if needed.
Exchange Setup didn't complete. The product wasn't installed successfully. Examine the Setup Log to determine what errors ...
Exchange Setup has determined that it must extend your Active Directory schema to continue installing Exchange into your ...
Exchange tried to contact '%1'. This URL does not exist on the server. Please contact the Rights Management Services administrator. ...
Exchange was not able to successfully authenticate to '%1'. Please contact the Rights Management Services administrator. ...
Exchange was unable to communicate with the autodiscover endpoint for your Office 365 tenant. This is typically an outbound ...
Exchange Web Services (EWS) is not available for this mailbox because the user account associated with the mailbox is a member ...
Exchange Web Services are not currently available for this mailbox because it could not determine the Client Access Services ...
Exchange Web Services are not currently available for this request because none of the Client Access Servers in the destination ...
Exchange Web Services are not currently available for this request because there are no available Client Access Services ...