Easily set Veeam VMWare Maintenance Mode in SCOM

Set-VeeamVMWareMaintenanceMode.ps1

Import-Module OperationsManager
$instanceclass = Get-SCOMClass -DisplayName "Veeam VmWare"

Function Time-Stamp
{
	$TimeStamp = Get-Date -Format "MM/dd/yyyy hh:mm:ss tt"
	return "$TimeStamp - "
}
$ErrorActionPreference = 'SilentlyContinue'
$Servers = Get-SCOMClassInstance | Where { ($_.DisplayName -match "^AS-.*$") -or ($_.DisplayName -match "^SC-.*$") -and ($_.DisplayName -notmatch "vmhost") }
$Servers | Export-Csv -Path "$env:USERPROFILE\Desktop\AS-or-SC-Servers.csv"
function CustomMaintenaceMode
{
	Function Time-Stamp
	{
		$TimeStamp = Get-Date -Format "MM/dd/yyyy hh:mm:ss tt"
		return "$TimeStamp - "
	}
	function Write-HostAndOutput
	{
		param
		(
			[Parameter(Mandatory = $true)]
			[string]$Text
		)
		Write-Host "$(Time-Stamp)$Text"
		return Write-Output "$(Time-Stamp)$Text"
	}
	Write-HostAndOutput "Running Main function: " -NoNewline
	Write-HostAndOutput 'CustomMaintenaceMode' -ForegroundColor Green
	
	$ErrorActionPreference = 'SilentlyContinue'
	
	Write-HostAndOutput "Found $($Servers.Count) count"
	Write-HostAndOutput "Exporting CSV to: $env:USERPROFILE\Desktop\AS-or-SC-Servers.csv"
	
	$Time = ((Get-Date).AddHours(9999999))
	
	$Servers = (Import-Csv -Path "$env:USERPROFILE\Desktop\AS-or-SC-Servers.csv").DisplayName
	
	$i = 0
	Foreach ($Server in $Servers)
	{
		$i++
		$i = $i
		$Instance = $instanceclass | Get-SCOMClassInstance | Where { ($_.DisplayName -match "^AS-.*$") -or ($_.DisplayName -match "^SC-.*$") -and ($_.DisplayName -notmatch "vmhost") -and ($_.DisplayName -match $Server) }
		Write-HostAndOutput "($i/$($Servers.Count)) Setting $($Instance.DisplayName) into Maintenance Mode for $Time hours"
		Start-SCOMMaintenanceMode -Instance $Instance -EndTime $Time -Comment "SCCM Patching" -Reason "PlannedOther"
		#Checking Maintenance Mode
		#$Server
		#Get-SCOMMaintenanceMode -Instance $Instance | select ManagementGroup,User,StartTime,ScheduledEndTime,Reason,Comments | fl
	}
	Write-HostAndOutput "Script Completed!"
}
CustomMaintenaceMode | Out-File -FilePath "$env:USERPROFILE\Desktop\AS-or-SC-Servers-ScriptOutput.txt"