The Exchange Online Powershell V1 module is now deprecated. We need to use the Exchange OnlinePowershell V3 module instead.
Command to install Module
https://www.powershellgallery.com/packages/ExchangeOnlineManagement/3.1.0
Install-Module -Name ExchangeOnlineManagement -RequiredVersion 3.1.0
Command to connect
Import-Module ExchangeOnlineManagement
Connect-ExchangeOnline -UserPrincipalName [email protected]
See the KB below.
https://learn.microsoft.com/en-us/powershell/exchange/connect-to-exchange-online-powershell?view=exchange-ps
https://learn.microsoft.com/en-us/powershell/exchange/connect-to-scc-powershell?view=exchange-ps
https://learn.microsoft.com/en-us/powershell/exchange/connect-to-exchange-online-protection-powershell?view=exchange-ps