public/Test-tADDomainControllerPorts.ps1
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function Test-tADDomainControllerPorts{ <# .SYNOPSIS Test port requirements for establishing DC communication. .DESCRIPTION The CmdLet display diagnostig information about the port requirements for establishing DC to DC communication. .PARAMETER ComputerName Specifies a computer name. .EXAMPLE Test-tADDomainControllerPorts -ComputerName Server01 .EXAMPLE Test-tADDomainControllerPorts -ComputerName 'Server1','Server2' #> [CmdletBinding()] Param( [Parameter(Mandatory=$true,Position=0,ValueFromPipeline=$true)] [string]$ComputerName ) begin { $portTable = @{'LDAP' = 389; 'LDAP SSL' = 636; 'LDAP GC' = 3268; 'LDAP GC SSL' = 3269; 'Kerberos' = 88; 'DNS' = 53; 'SMB' = 445; 'SMTP' = 25; 'RPC' = 135; 'DFSR' = 5722; 'Kerberos change' = 464; 'SOAP' = 9389; 'DFSN' = 139 } $Result = @() } Process { foreach ($port in $portTable.GetEnumerator()){ [string]$portType = $port.key [int]$portValue = $port.value $TcpTest = Test-NetConnection -ComputerName $ComputerName -Port $portValue -InformationLevel Quiet $psObj = New-Object psobject Add-Member -InputObject $psObj -MemberType NoteProperty -Name 'ComputerName' -Value $ComputerName Add-Member -InputObject $psObj -MemberType NoteProperty -Name 'Type' -Value $portType Add-Member -InputObject $psObj -MemberType NoteProperty -Name 'Port' -Value $portValue Add-Member -InputObject $psObj -MemberType NoteProperty -Name 'TCPTestResult' -Value $TcpTest $Result += $psObj } } end { Return $Result } } |