Stop, Start, Restart Windows Services – PowerShell Script

1. Copy and save the below script as MaintainService.ps1
2. Open Powershell and navigate to the path where the script is saved
3. Simply type part of the script name and then press tab for auto-complete
4. You have to provide a service name and action (stop, start, restart) as part of the script parameters.

<#

Author: Khoa Nguyen
PS C:\Users\KoA\Dropbox\Code-Store\powershell> $PSVersionTable.PSVersion

Major  Minor  Build  Revision
-----  -----  -----  --------
5      1      15063  608

This is a quick script to start, stop and restart a service. The script will validate that
the service exists and the required action parameter (stop, start, restart) is valid prior
to executing the script.

Sample Executions:

PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 Spooler Start
Spooler is stopped, preparing to start...
Spooler - Running
PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 Spooler Stop
Spooler is running, preparing to stop...
Spooler - Stopped
PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 FakeService Start
FakeService not found
PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 FakeService Stop
FakeService not found
PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 Spooler Start
Spooler is stopped, preparing to start...
Spooler - Running
PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 Spooler Restart
Spooler is running, preparing to restart...
Spooler - Running
PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 Spooler Stop
Spooler is running, preparing to stop...
Spooler - Stopped
PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 Spooler Restart
Spooler is stopped, preparing to start...
Spooler - Running
PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 Spooler Check
Action parameter is missing or invalid!
PS C:\Users\KoA\Dropbox\Code-Store\powershell> .\MaintainService.ps1 FakeService Check
FakeService not found
PS C:\Users\KoA\Dropbox\Code-Store\powershell>

#>

param (
[Parameter(Mandatory=$true)]
[string] $ServiceName,
[string] $Action
)

#Checks if ServiceName exists and provides ServiceStatus
function CheckMyService ($ServiceName)
{
	if (Get-Service $ServiceName -ErrorAction SilentlyContinue)
	{
		$ServiceStatus = (Get-Service -Name $ServiceName).Status
		Write-Host $ServiceName "-" $ServiceStatus
	}
	else
	{
		Write-Host "$ServiceName not found"
	}
}

#Checks if service exists
if (Get-Service $ServiceName -ErrorAction SilentlyContinue)
{	#Condition if user wants to stop a service
	if ($Action -eq 'Stop')
	{
		if ((Get-Service -Name $ServiceName).Status -eq 'Running')
		{
			Write-Host $ServiceName "is running, preparing to stop..."
			Get-Service -Name $ServiceName | Stop-Service -ErrorAction SilentlyContinue
			CheckMyService $ServiceName
		}
		elseif ((Get-Service -Name $ServiceName).Status -eq 'Stopped')
		{
			Write-Host $ServiceName "already stopped!"
		}
		else
		{
			Write-Host $ServiceName "-" $ServiceStatus
		}
	}

	#Condition if user wants to start a service
	elseif ($Action -eq 'Start')
	{
		if ((Get-Service -Name $ServiceName).Status -eq 'Running')
		{
			Write-Host $ServiceName "already running!"
		}
		elseif ((Get-Service -Name $ServiceName).Status -eq 'Stopped')
		{
			Write-Host $ServiceName "is stopped, preparing to start..."
			Get-Service -Name $ServiceName | Start-Service -ErrorAction SilentlyContinue
			CheckMyService $ServiceName
		}
		else
		{
			Write-Host $ServiceName "-" $ServiceStatus
		}
	}

	#Condition if user wants to restart a service
	elseif ($Action -eq 'Restart')
	{
		if ((Get-Service -Name $ServiceName).Status -eq 'Running')
		{
			Write-Host $ServiceName "is running, preparing to restart..."
			Get-Service -Name $ServiceName | Stop-Service -ErrorAction SilentlyContinue
			Get-Service -Name $ServiceName | Start-Service -ErrorAction SilentlyContinue
			CheckMyService $ServiceName
		}
		elseif ((Get-Service -Name $ServiceName).Status -eq 'Stopped')
		{
			Write-Host $ServiceName "is stopped, preparing to start..."
			Get-Service -Name $ServiceName | Start-Service -ErrorAction SilentlyContinue
			CheckMyService $ServiceName
		}
	}

	#Condition if action is anything other than stop, start, restart
	else
	{
		Write-Host "Action parameter is missing or invalid!"
	}
}

#Condition if provided ServiceName is invalid
else
{
	Write-Host "$ServiceName not found"
}