Set-SCCMClientBusinessHours.ps1

function Set-SCCMClientBusinessHours
{
<#
    .SYNOPSIS
        Sets the Business Hours of the SCCM client
    .DESCRIPTION
        Sets the flag for rebooting inside or outside of business Hours, The Working Days, And the Start end end time in 24 hour format
    .PARAMETER ComputerName
            Name of computer to set the configuration on - Default is Localhost
    .PARAMETER RebootOutsideBusinessHours
            When this flag is set will tell the system to only reboot outside of the specified business hours - Default is to not set 
    .PARAMETER WorkDays
            Default Value of 62 is M-F

               Sunday     1
               Monday     2
               Tuesday    4
               Wednesday  8
               Thursday   16
               Friday     32
               Saturday   64
    .PARAMETER StartTime
            Sets the Start of business hours - Default same as SCCM 0500            
    .PARAMETER StartTime
            Sets the End of business hours - Default same as SCCM 2200
    .EXAMPLE
        Set-SCCMClientBusinessHours
            Configures SCCM to 
                Reboot when necessary ignoring business hours
                Set Business hours of M-F 0500-2200
    .NOTES

        Author: MicahJ
        Creation Date: 20170525
        Last Modified: 20170525
        Version: 1.0.0

    -----------------------------------------------------------------------------------------------------------------
    CHANGELOG
    -----------------------------------------------------------------------------------------------------------------

        1.0.0 Initial Script

    -----------------------------------------------------------------------------------------------------------------
    Credit
    -----------------------------------------------------------------------------------------------------------------
    Weekday settings from 
        https://powersheller.wordpress.com/2012/11/20/sccm-2012-setting-software-center-business-hours-with-a-compliance-configuration-item/
#>
    param(
        [Parameter(Mandatory=$false,
                   ValueFromPipeline=$True,
                   ValueFromPipelineByPropertyName=$true)]
        [Alias('IPAddress','__Server','CN','Name')]
        [string[]]$ComputerName=$env:COMPUTERNAME,
    [switch]$RebootOutsideBusinessHours,
    [parameter(Mandatory = $false)]
    [int]$WorkingDays= 62,
    [parameter(Mandatory = $false)]
    [ValidateScript({$_ -gt 0 -and $_ -lt 23})]
    [int]$StartTime= 5,
    [parameter(Mandatory = $false)]
    [ValidateScript({$_ -gt 0 -and $_ -lt 23})]
    [int]$EndTime= 22
    )

PROCESS
{
    Foreach($computer in $ComputerName)
        {
        # Get WMI Object
        $CCM = Get-WmiObject -Namespace root\ccm\ClientSDK -Class CCM_ClientUXSettings -List -ComputerName $computer
        if($ccm.SetAutoInstallRequiredSoftwaretoNonBusinessHours($RebootOutsideBusinessHours.IsPresent).returnValue -eq 0)
            {
            #We were successful!
            }
        else
            {
            Write-Warning "$computer Failed Specified Reboot"
            }
	    if($CCM.SetBusinessHours($workingDays, $starttime, $endtime).returnValue -eq 0)
		    {
		    #Do nothing it was all successful
		    }
        else
            {
            Write-Warning "$computer Failed Business Hours"
            }

        } # End Foreach computername
}# End Process
}