Getting ShowBanner error try to run

[tjkynot]

Windows 10 > Run As Admin > Same error connecting to Connect-ExchangeOnline

PS C:\WINDOWS\system32> $UserCredential = Get-Credential
PS C:\WINDOWS\system32> Connect-MsolService -credential $usercredential
PS C:\WINDOWS\system32> cd d:\temp
PS D:\temp> .\Get-CRTReport.ps1
[2020-12-26 23:38:04Z] - Checking for PowerShell module prerequisites
NOTE: Using default authentication. This method will prompt you for login credentials 3 times.
[2020-12-26 23:38:09Z] - Beginning authentication
[2020-12-26 23:38:09Z] - Authenticating to Exchange Online
A parameter cannot be found that matches parameter name 'ShowBanner'.
At D:\temp\Get-CRTReport.ps1:406 char:9

•     throw $_.Exception.Message
  

•     ~~~~~~~~~~~~~~~~~~~~~~~~~~
  

  • CategoryInfo : OperationStopped: (A parameter can...e 'ShowBanner'.:String) [], RuntimeException
  • FullyQualifiedErrorId : A parameter cannot be found that matches parameter name 'ShowBanner'.

[tjkynot]

There were multiple versions of ExchangeOnlineManagement. Once the older version was uninstalled the script worked great.

uninstall-Module -Name ExchangeOnlineManagement -AllVersions
install-Module -Name ExchangeOnlineManagement