Exchange 2019 Product Key Invalid ^hot^ Jun 2026

Set-ExchangeServer -Identity "ServerName" -ProductKey "XXXXX-XXXXX-XXXXX-XXXXX-XXXXX"

Locate your product key in the correct portal based on how the license was acquired: exchange 2019 product key invalid

Get-ExchangeServer | Where-Object $_.IsLicensed -eq $false | Send-MailMessage -To "admin@domain.com" -Subject "Unlicensed Exchange Server" exchange 2019 product key invalid

rejects your key, the Shell is often more reliable. Run the following command with your specific key: powershell exchange 2019 product key invalid

if ($_.Exception.Message -like "*edition*") Write-Host "ADVICE: You cannot mix Standard and Enterprise keys on the same installation type." -ForegroundColor Yellow

Set-ExchangeServer -ProductKey XXXXX-XXXXX-XXXXX-XXXXX-XXXXX