Winrm

https://www.codetwo.com/kb/troubleshooting-remote-powershell-connections/

https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/enable-psremoting

Enable-PSRemoting -Force
winrm quickconfig

Enter-PsSession via ip address and https

$ipaddr = "10.x.x.y"

As admin

Set-Item WSMan:localhost\client\trustedhosts -value $ipaddr

Clear-Item WSMan:localhost\client\trustedhosts

Test-NetConnection $ipaddr -Port 5986
$sessionOption = New-PSSessionOption -SkipCACheck -SkipCNCheck -SkipRevocationCheck
enter-pssession -ConnectionUri https://$ipaddr:5986/WSMAN -SessionOption $sessionOption

or

$UserCredential = Get-Credential
$sessionOption = New-PSSessionOption -SkipCACheck -SkipCNCheck -SkipRevocationCheck
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://<FQDN of Exchange 2016 Mailbox server>/PowerShell/ -Authentication Kerberos -Credential $UserCredential -SessionOption $sessionOption
Import-PSSession $Session

https://social.technet.microsoft.com/Forums/en-US/e1aac407-33a1-4d19-988f-8b954d8b5007/not-able-to-remote-connect-to-powershell?forum=Exch2016PS ```