To solve this issue, you need to check the basic network capabilities to ensure that you are able to connect to the network resources. If you find that other network resources are accessible you should consult in with the Exchange Server administrator to ensure that your server is operational.

This error [pii_email_841b43fada260254c8d3] may occur if the connector is getting transient errors and is unable to send any messages out. The messages with the longest lifespan are deleted first. The error log reveals the number of messages which were discarded. To fix this issue, examine in the log of errors for any warning messages that are recorded through the connecter. If a significant number of transient errors occur it could be due to an issue with connectivity to the server. Check your connection to your network and availability of the server.

The error messages are generated when the connector configuration is incorrect details. The first error message will occur if there’s an error in the spelling of the username, the server’s name or the device’s ID. To solve this issue, you need to check the information on the connector configuration to ensure that you have entered it correctly. Verify that you have used correctly the connector’s type (Mobile Information Server, or Simple Mail Transfer Protocol [SMTPto resolve the issue).