WinRM with untrusted certificate.ps1

#region Connect to Remote PowerShell WinRM HTTPS port 5986 with untrusted certificate - single connection
### Variables
$ServerName = "ServerName / or / IP Address"
$adminname = 'UserName'
$adminpassword = 'Password'
$password = ConvertTo-SecureString $adminpassword -AsPlainText -Force
$cred= New-Object System.Management.Automation.PSCredential (".\$adminname", $password)
### Enter session
$SessionOptions = New-PSSessionOption –SkipCACheck –SkipCNCheck –SkipRevocationCheck
Enter-PSSession -ComputerName $ServerName -Port 5986 -UseSSL -Credential $cred -SessionOption $SessionOptions

##########################################################################################
####################################    Do Stuff     #####################################
##########################################################################################

### Get Service
Get-Service | ? {$_.Status -match 'runn'}

### Create Directory
New-Item -Path c:\ -Name MyDirectory -Type Directory -Force

### Check Direcroty Listing
Get-ChildItem -Path c:\ | ? {$_.Attributes -match 'Directory'}

##########################################################################################

Exit-PSSession
#endregion

#region Connect to Remote PowerShell WinRM HTTPS port 5986 with untrusted certificate - multiple connections

$adminname = 'UserName'
$adminpassword = 'password'
$password = ConvertTo-SecureString $adminpassword -AsPlainText -Force
$cred= New-Object System.Management.Automation.PSCredential (".\$adminname", $password)
$SessionOptions = New-PSSessionOption –SkipCACheck –SkipCNCheck –SkipRevocationCheck
$Computers = "123.221.252.23", "123.221.58.233", "ComputerName03"

$Params = @{
  ComputerName = $Computers
  Port = 5986
  Credential = $cred
}
New-PSSession @params -UseSSL -OutVariable ps -SessionOption $SessionOptions

Invoke-Command -Session $ps -ScriptBlock {
  
# Do Stuff on all computers at the same time

$process = "cmd.exe"
$arguments = '/bla /bla etc'
start-process $process -ArgumentList $arguments -Wait

}

#endregion