Remove-ecpVirtualDirectory “ex01\ecp (Default Web Site)”
Remove-ecpVirtualDirectory “ex01\ecp (exchange back end)”
New-ecpVirtualDirectory -InternalUrl “” -ExternalUrl “”
New-ecpVirtualDirectory -InternalUrl “” -ExternalUrl “” -Website Name “Exchange Back End”
Remove-owaVirtualDirectory “ex01\owa (Default Web Site)”
Remove-owaVirtualDirectory “ex01\owa (exchange back end)”
New-owaVirtualDirectory -InternalUrl “” -ExternalUrl “”
New-owaVirtualDirectory -InternalUrl “” -ExternalUrl “” -WebSiteName “Exchange Back End”
 Enable Exchange On-Premises to use Integrated Windows Authentication
Get-EcpVirtualDirectory “ECP (Default Web Site)” | Format-List *Authentication*
Set-OwaVirtualDirectory “owa (Default Web Site)” -BasicAuthentication $True -WindowsAuthentication $True
Set-EcpVirtualDirectory “EX01\ecp (Default Web Site)” -BasicAuthentication:$True -WindowsAuthentication:$True
iisreset /noforce

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Sr. Microsoft Cloud Consultant with over nine years of experience in Microsoft Solutions and Digital Transformation, Blogger, Speaker and Skillzat Community leader. Focus on the Modern Workspace, Endpoint Management, Azure WVD, Office 365, EMS, Intune.