Hi,
Have you added your server to the WS-Management TrustedHosts list?
First make sure the WinRM is running:
net start WinRM
Next add your server to the WS-Management TrustedHosts list:
Set-Item WSMan:\localhost\Client\TrustedHosts -Value "servername or IP"
Then you can finally try opening a remote PowerShell session:
Enter-PSSession -ComputerName "servername or IP" -Credential Domain\User
Example:

After adding the server to the WS-Management TrustedHosts list:

Best regards,
Leon
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https://thesystemcenterblog.com
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