Exchange 2019 Product Key Invalid -

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Exchange Server 2019 comes in two editions: Standard and Enterprise . You cannot apply an Enterprise key to a Standard installation, nor can you apply a Standard key to an Enterprise installation if you have already licensed it for Enterprise (though downgrading Enterprise to Standard is allowed if you meet database limits). exchange 2019 product key invalid

| Action | Command (EMS) | |--------|----------------| | View current key | Get-ExchangeServer | fl ProductKey* | | Set new key | Set-ExchangeServer -Identity "Srv01" -ProductKey "XXXXX-..." | | Clear key | Set-ExchangeServer -Identity "Srv01" -ProductKey $null | exchange 2019 product key invalid