Troubleshooting failure to configure Exchange Online outbound connector

You got an error that begins with:

Failed to configure Exchange Online outbound connector

when configuring Exchange Online connectors in the program's wizard. There might be a few reasons why the program was not able to set up the connector. Details on the error are displayed in red font. The links below describe the most common errors and provide solutions:

If your error is not listed above, we advise that you try to configure the connector manually. Read this article for guidelines.

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