One of the new features in Configuration Manager 2012 R2 is that you can configure Maintenance Windows only for Software Updates

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We can configure all these new stuff with ConfigMgr cmdlets also 🙂

#Import ConfigMgr PSH Module
Import-Module $env:SMS_ADMIN_UI_PATH.Replace("\bin\i386","\bin\configurationmanager.psd1")

#Get the CMSITE SiteCode
$SiteCode = Get-PSDrive -PSProvider CMSITE

# Change the connection context
Set-Location "$($SiteCode.Name):\"

#Apply MW only to Task Sequence
$Collection = Get-CMDeviceCollection -Name "MW 2 - LOB Servers"
Set-CMMaintenanceWindow -CollectionID $Collection.CollectionID -ApplyToTaskSequenceOnly -Name "TEST 2"

#Apply MW only to Software Updates
$Collection = Get-CMDeviceCollection -Name "MW 2 - LOB Servers"
Set-CMMaintenanceWindow -CollectionID $Collection.CollectionID -ApplyToSoftwareUpdateOnly -Name "TEST 2"

#Modify existing Maintenance Window
$Schedule = New-CMSchedule -DurationCount 1 -DurationInterval Hours -RecurCount 2 -DayOfWeek 4 -WeekOrder First -Start ([Datetime]"13:00")
$Collection = Get-CMDeviceCollection -Name "MW 2 - LOB Servers"
Set-CMMaintenanceWindow -CollectionID $Collection.CollectionID -Schedule $Schedule -Name "TEST 2" -ApplyToTaskSequenceOnly

Happy Scripting 🙂