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
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(Mandatory = $true, ValueFromPipeline = $true)]
[Alias("cn", "host", "Server")]
[string[]]$Computername
)

BEGIN
{
$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)
{
$dtcservice = $null
try
{
Write-Verbose "Getting DTC on $computer via WinRM"
$dtcservice = Get-Ciminstance -ComputerName $Computer -Query $query -ErrorAction Stop |
Select-Object PSComputerName, DisplayName, State, status, StartMode, StartName
}
catch
{
try
{
Write-Verbose "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 -ErrorAction Stop |
Select-Object PSComputerName, DisplayName, State, status, StartMode, StartName
}
catch
{
Write-Warning "Can't connect to CIM on $Computer"
}
}
$reg = $CIDs = $null
$CIDHash = @{ }
try
{
Write-Verbose "Getting Registry Values on $Computer"
$reg = Invoke-Command -ComputerName $Computer -ScriptBlock $DTCSecurity -ErrorAction Stop
$CIDs = Invoke-Command -ComputerName $Computer -ScriptBlock $DTCCIDs -ErrorAction Stop
foreach ($key in $CIDs) { $CIDHash.Add($key.Data, $key.CID) }
}
catch
{
Write-Warning "Can't connect to registry on $Computer"
}
if ($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
}
}
}
}
END { }
}