Private/Set-SPMaxMemoryPerShellMB.ps1
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#Function to set the MaxMemoryPerShellMB on a target. This setting is set very low on older servers which prevents patching. function Set-SPMaxMemoryPerShellMB { Param ( [Parameter(Mandatory)] [string] $TargetServer, [string] $MaxMemoryPerShellMB="0" ) $MaxMemorySettings = @() Connect-WSMan -ComputerName $TargetServer $CurrentMaxMemoryPerShellMB = Get-Item WSMan:\$TargetServer\Shell\MaxMemoryPerShellMB $CurrentPowerShellMaxMemoryPerShellMB = Get-Item WSMan:\$TargetServer\Plugin\microsoft.powershell\Quotas\MaxMemoryPerShellMB $OldMaxMemory = [PSCustomObject][Ordered] @{ ValueType = "CurrentValue" Property = $CurrentMaxMemoryPerShellMB.Name ShellValue = $CurrentMaxMemoryPerShellMB.Value PowerShellValue = $CurrentPowerShellMaxMemoryPerShellMB.Value } $MaxMemorySettings += $OldMaxMemory if($CurrentMaxMemoryPerShellMB.Value -ne $MaxMemoryPerShellMB -or $CurrentPowerShellMaxMemoryPerShellMB.Value -ne $MaxMemoryPerShellMB) { Set-Item WSMan:\$TargetServer\Shell\MaxMemoryPerShellMB $MaxMemoryPerShellMB -Force -WarningAction SilentlyContinue Set-Item WSMan:\$TargetServer\Plugin\microsoft.powershell\Quotas\MaxMemoryPerShellMB $MaxMemoryPerShellMB -Force -WarningAction SilentlyContinue $NewMaxMemoryPerShellMB = Get-Item WSMan:\$TargetServer\Shell\MaxMemoryPerShellMB $NewPowerShellMaxMemoryPerShellMB = Get-Item WSMan:\$TargetServer\Plugin\microsoft.powershell\Quotas\MaxMemoryPerShellMB $NewMaxMemory = [PSCustomObject][Ordered] @{ ValueType = "NewValue" Property = $NewMaxMemoryPerShellMB.Name ShellValue = $NewMaxMemoryPerShellMB.Value PowerShellValue = $NewPowerShellMaxMemoryPerShellMB.Value } $MaxMemorySettings += $NewMaxMemory Write-Verbose "Restarting WinRM for changes to take effect" Get-Service -ComputerName $TargetServer -Name WinRM | Restart-Service -Force } Disconnect-WSMan -ComputerName $TargetServer return $MaxMemorySettings } |