functions/Get-DbaMsdtc.ps1

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Function Get-DbaMsdtc
{
<#
.SYNOPSIS
Displays information about the Distributed Transactioon Coordinator (MSDTC) on a server
 
.DESCRIPTION
Returns a custom object with Computer name, state of the MSDTC Service, security settings of MSDTC and CID's
 
Requires: Windows administrator access on Servers
 
.PARAMETER ComputerName
The SQL Server (or server in general) that you're connecting to.
 
.NOTES
Tags: WSMan, CIM
Author: Klaas Vandenberghe ( powerdbaklaas )
 
dbatools PowerShell module (https://dbatools.io, clemaire@gmail.com)
Copyright (C) 2016 Chrissy LeMaire
 
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
 
.LINK
https://dbatools.io/Get-DbaMsdtc
 
.EXAMPLE
Get-DbaMsdtc -ComputerName srv0042
 
Get DTC status for the server srv0042
 
ComputerName : srv0042
DTCServiceName : Distributed Transaction Coordinator
DTCServiceState : Running
DTCServiceStatus : OK
DTCServiceStartMode : Manual
DTCServiceAccount : NT AUTHORITY\NetworkService
DTCCID_MSDTC : b2aefacb-85d1-46b8-8047-7bb88e08d38a
DTCCID_MSDTCUIS : 205bd32c-b022-4d0c-aa3e-2e5dc65c6d35
DTCCID_MSDTCTIPGW : 3e743aa0-ead6-4569-ba7b-fe1aaea0a1eb
DTCCID_MSDTCXATM : 667fc4b8-c2f5-4c3f-ad75-728b113f36c5
networkDTCAccess : 0
networkDTCAccessAdmin : 0
networkDTCAccessClients : 0
networkDTCAccessInbound : 0
networkDTCAccessOutBound : 0
networkDTCAccessTip : 0
networkDTCAccessTransactions : 0
XATransactions : 0
 
 
.EXAMPLE
$Computers = (Get-Content D:\configfiles\SQL\MySQLInstances.txt | % {$_.split('\')[0]})
$Computers | Get-DbaMsdtc
 
Get DTC status for all the computers in a .txt file
 
 
.EXAMPLE
Get-DbaMsdtc -Computername $Computers | where { $_.dtcservicestate -ne 'running' }
 
Get DTC status for all the computers where the MSDTC Service is not running
 
 
.EXAMPLE
Get-DbaMsdtc -ComputerName srv0042 | Out-Gridview
 
 
Get DTC status for the computer srv0042 and show in a grid view
 
 
 
#>


[CmdletBinding()]
Param (
[Parameter(ValueFromPipeline = $true)]
[Alias('cn', 'host', 'Server')]
[string[]]$Computername = $env:COMPUTERNAME
)

BEGIN
{
    $functionName = (Get-PSCallstack)[0].Command
    $ComputerName = $ComputerName | ForEach-Object {$_.split("\")[0]} | Select-Object -Unique
$query = "Select * FROM Win32_Service WHERE Name = 'MSDTC'"
$DTCSecurity = {
Get-ItemProperty -Path HKLM:\Software\Microsoft\MSDTC\Security |
Select-Object PSPath, PSComputerName, AccountName, networkDTCAccess,
  networkDTCAccessAdmin, networkDTCAccessClients, networkDTCAccessInbound,
  networkDTCAccessOutBound, networkDTCAccessTip, networkDTCAccessTransactions, XATransactions
}
$DTCCIDs = {
New-PSDrive -Name HKCR -PSProvider Registry -Root HKEY_CLASSES_ROOT | Out-Null
Get-ItemProperty -Path HKCR:\CID\*\Description |
Select-Object @{ l = 'Data'; e = { $_.'(default)' } }, @{ l = 'CID'; e = { $_.PSParentPath.split('\')[-1] } }
Remove-PSDrive -Name HKCR | Out-Null
}
}
PROCESS
{
    ForEach ($Computer in $Computername)
    {
      $reg = $CIDs = $null
      $CIDHash = @{}
      if ( Test-PSRemoting -ComputerName $Computer )
      {
          $dtcservice = $null
          Write-Verbose "$functionName - Getting DTC on $computer via WSMan"
          $dtcservice = Get-Ciminstance -ComputerName $Computer -Query $query
          if ( $null -eq $dtcservice )
          {
            Write-Warning "$functionName - Can't connect to CIM on $Computer via WSMan"
          }

          Write-Verbose "$functionName - Getting MSDTC Security Registry Values on $Computer"
          $reg = Invoke-Command -ComputerName $Computer -ScriptBlock $DTCSecurity
          if ( $null -eq $reg )
          {
            Write-Warning "$functionName - Can't connect to MSDTC Security registry on $Computer"
          }
          Write-Verbose "$functionName - Getting MSDTC CID Registry Values on $Computer"
          $CIDs = Invoke-Command -ComputerName $Computer -ScriptBlock $DTCCIDs
          if ( $null -ne $CIDs )
          {
            foreach ($key in $CIDs) { $CIDHash.Add($key.Data, $key.CID) }
          }
          else
          {
            Write-Warning "$functionName - Can't connect to MSDTC CID registry on $Computer"
          }
      }
      else
      {
          Write-Verbose "$functionName - PSRemoting is not enabled on $Computer"
          try
          {
            Write-Verbose "$functionName - Failed To get DTC via WinRM. Getting DTC on $computer via DCom"
            $SessionParams = @{ }
            $SessionParams.ComputerName = $Computer
            $SessionParams.SessionOption = (New-CimSessionOption -Protocol Dcom)
            $Session = New-CimSession @SessionParams
            $dtcservice = Get-Ciminstance -CimSession $Session -Query $query
          }
          catch
          {
            Write-Warning "$functionName - Can't connect to CIM on $Computer via DCom"
            continue
          }
        }
        if ( $dtcservice )
        {
          [PSCustomObject]@{
            ComputerName = $dtcservice.PSComputerName
            DTCServiceName = $dtcservice.DisplayName
            DTCServiceState = $dtcservice.State
            DTCServiceStatus = $dtcservice.Status
            DTCServiceStartMode = $dtcservice.StartMode
            DTCServiceAccount = $dtcservice.StartName
            DTCCID_MSDTC = $CIDHash['MSDTC']
            DTCCID_MSDTCUIS = $CIDHash['MSDTCUIS']
            DTCCID_MSDTCTIPGW = $CIDHash['MSDTCTIPGW']
            DTCCID_MSDTCXATM = $CIDHash['MSDTCXATM']
            networkDTCAccess = $reg.networkDTCAccess
            networkDTCAccessAdmin = $reg.networkDTCAccessAdmin
            networkDTCAccessClients = $reg.networkDTCAccessClients
            networkDTCAccessInbound = $reg.networkDTCAccessInbound
            networkDTCAccessOutBound = $reg.networkDTCAccessOutBound
            networkDTCAccessTip = $reg.networkDTCAccessTip
            networkDTCAccessTransactions = $reg.networkDTCAccessTransactions
            XATransactions = $reg.XATransactions
          }
        }
    }
}
}