ISSUE: Exchange log error 'The term 'Connect-ExchangeOnline' is not recognized as the name of a cmdlet, function, script file, or operable program.'

Overview

When reviewing the exchange module logs, the error below occurs:

EXCEPTION: System.Management.Automation.CommandNotFoundException: The term 'Connect-ExchangeOnline' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

Cause

This happens when the command Install-Module -Name ExchangeOnlineManagement is executed using Powershell ISE and not a Powershell command.  

Solution

Open a Powershell command under the context of administrator and execute the command below:

Install-Module -Name ExchangeOnlineManagement

Restart the Remad.Exchange service and confirm the error is no longer present.