Automated Remote Install of SCOM client

###############################################################################################################
#  SCOM-INST.PS1
# Install SCOM Agent on a list of machines.
# 
$rootMS = "RMS01"
$list = "c:\server-list.txt"
clear-host
$Servers = Get-Content $list
#attach SCOM SnapIn
    Add-PSSnapin "Microsoft.EnterpriseManagement.OperationsManager.Client" -ErrorVariable errSnapin;
    Set-Location "OperationsManagerMonitoring::" -ErrorVariable errSnapin;
    new-managementGroupConnection -ConnectionString:$rootMS -ErrorVariable errSnapin;
    set-location $rootMS -ErrorVariable errSnapin;
#
#install SCOM client
    $DiscoverCnfg = New-WindowsDiscoveryConfiguration -computername:$servers -performverification:$true
-computertype:"server"
    $ms = Get-rootManagementServer
    $DiscoverResults = Start-Discovery -managementserver $ms -windowsdiscoveryconfiguration:$DiscoverCnfg
$DiscoverResults.CustomMonitoringObjects
    if ($DiscoverResults.CustomMonitoringObjects) {
        install-agent -ManagementServer $ms -AgentManagedComputer: $DiscoverResults.custommonitoringobjects
        }
    else {
        write-host "ERROR:  Machine(s) not found"
        }

#
Write-Host "Press any key to continue ..."
$x = $host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")

This script installs the Operations Management Server PowerShell SnapIn onto a given computer

Install SCOM SnapIn: "This script installs the Operations Management Server PowerShell SnapIn onto a given computer"

#=============================================================================#
#                                                                             #
# Install-SCOMSnapIn.ps1                                                      #
# Powershell Script to install Operations Management Server SnapIn            #
# Author: Jeremy Engel                                                        #
# Date: 04.13.2011                                                            #
# Version: 1.1.0                                                              #
#                                                                             #
#=============================================================================#

Param([Parameter(Mandatory = $true)]$Computer,
      [Parameter(Mandatory = $true)]$ManagementServer
      )

$fileRepository = "\\$ManagementServer\c$\Program Files\System Center Operations Manager 2007"
$rootPath = "C:\Program Files\System Center Operations Manager 2007\SnapIn"

$files = @("Microsoft.EnterpriseManagement.OperationsManager.ClientShell.dll",
           "Microsoft.EnterpriseManagement.OperationsManager.ClientShell.dll-help.xml",
           "Microsoft.EnterpriseManagement.OperationsManager.ClientShell.Format.ps1xml",
           "Microsoft.EnterpriseManagement.OperationsManager.ClientShell.Types.ps1xml"
           )
$sdkfiles = @("Microsoft.EnterpriseManagement.OperationsManager.Common.dll",
              "Microsoft.EnterpriseManagement.OperationsManager.dll"
              )

function Main {
  $remotePath = $rootPath.Replace("C:","\\$Computer\c$")
  if(!(Test-Path $remotePath)) { $null = New-Item $remotePath -Type Directory }
  foreach($file in $files) { 
    if(!(Test-Path "$remotePath\$file")) { 
      Copy-Item -Path "$fileRepository\$file" -Destination $remotePath
      }
    }
  foreach($file in $sdkfiles) {
    if(!(Test-Path "$remotePath\$file")) {
      Copy-Item -Path "$fileRepository\SDK Binaries\$file" -Destination $remotePath
      }
    }
  $hklm = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine,$Computer)
  $scom = $hklm.CreateSubKey("SOFTWARE\Microsoft\PowerShell\1\PowerShellSnapIns\Microsoft.EnterpriseManagement.OperationsManager.Client")
  $scom.SetValue("ApplicationBase",$rootPath,"String")
  $scom.SetValue("AssemblyName","Microsoft.EnterpriseManagement.OperationsManager.ClientShell, Version=6.0.4900.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35","String")
  $scom.SetValue("ModuleName","$rootPath\Microsoft.EnterpriseManagement.OperationsManager.ClientShell.dll","String")
  $scom.SetValue("PowerShellVersion","1.0","String")
  $scom.SetValue("Vendor","Microsoft Corporation","String")
  $scom.SetValue("Version","6.0.4900.0","String")
  $scom.SetValue("Description","Microsoft Operations Manager Shell Snapin","String")
  $scom.SetValue("Types","$rootPath\Microsoft.EnterpriseManagement.OperationsManager.ClientShell.Types.ps1xml","String")
  $scom.SetValue("Formats","$rootPath\Microsoft.EnterpriseManagement.OperationsManager.ClientShell.Format.ps1xml","String")
  }

Main

Put list of servers in SCOM maintenance mode

- have a folder which contains text files with lists of servers to define groups.

$rootMS = "PRIRMS01"
$Folder="c:\util\wsus-groups\"

"SET MAINTENANCE MODE"
"LISTS:"
$list = get-childitem $Folder -Name 
$list = $list -replace ".TXT",""
$list | format-wide {$_} -Column 3 -Force

$group = Read-Host "LIST [WSUS-Test-Group-2]"
if (!$group) { $group = "WSUS-Test-Group-2" }
$t = Read-Host " TIME[60]"
if (!$t) { $t = "60" }
$comment = Read-Host "COMMENT [Windows Updates]"
if (!$comment) { $comment = "Windows Updates" }

#####################################
#attach SCOM SnapIn
Add-PSSnapin "Microsoft.EnterpriseManagement.OperationsManager.Client" -ErrorVariable errSnapin; 
Set-Location "OperationsManagerMonitoring::" -ErrorVariable errSnapin; 
new-managementGroupConnection -ConnectionString:$rootMS -ErrorVariable errSnapin; 
set-location $rootMS -ErrorVariable errSnapin;
#

$File = $Folder + $group + ".TXT"
$servers = get-content $File
"Setting maintenance mode for $t minutes:"
foreach ($server in $servers) {
write-host "    $server" -nonewline
    $strServer = Get-Agent | Where-object {$_.Name -match $server}
    if (!$strServer) { write-host " - ERROR finding SCOM Agent!" -nonewline }
    if ($strServer) { $strServer.HostComputer | New-MaintenanceWindow -StartTime (Get-Date) -EndTime (Get-Date).AddMinutes($t)-Comment $comment }
 write-host ""
    }

"COMPLETE"
Write-Host "Press any key to continue ..."
$x = $host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")