VBScript Scripting Techniques > Processes & Services > Services

Restart a Service

 

Win32_Service
VBScript Code:
RestartService "Messenger", 0

Sub RestartService( myService, blnQuiet )
' This subroutine restarts a service
' Arguments:
' myService     use the service's DisplayName
' blnQuiet      if False, the state of the service is displayed
'               every second during the restart procedure
'
' Written by Rob van der Woude
' http://www.robvanderwoude.com

    ' Standard housekeeping
    Dim colServices, colServicesTest, objService
    Dim objServiceTest, objWMIService, strQuery, strTest

    ' Create a WMI object
    Set objWMIService = GetObject( "winmgmts:\\.\root\CIMV2" )

    ' Query the services for "our" service
    strQuery = "SELECT * FROM Win32_Service WHERE DisplayName='" & myService & "'"
    Set colServices = objWMIService.ExecQuery( strQuery, "WQL", 48 )

    ' Loop through the "collection" of returned services
    For Each objService In colServices
        ' See if we need to tell the user we're going to stop the service
        If Not blnQuiet Then
            WScript.Echo "Stopping " & myService
        End If

        ' Stop the service
        objService.StopService

        ' Wait until the service is stopped
        Do Until strTest = "Stopped"
            ' Create a new object for our service; this work-around is required
            ' since otherwise the service's state information isn't properly updated
            Set colServicesTest = objWMIService.ExecQuery( strQuery, "WQL", 48 )

            ' Loop through the "collection" of returned services
            For Each objServiceTest In colServicesTest
                ' Check the service's state
                strTest = objServiceTest.State
                ' See if we need to show the progress
                If Not blnQuiet Then
                    WScript.Echo "State: " & strTest
                End If
                ' Wait 1 second
                WScript.Sleep 1000
            Next

            ' Clear the temporary object
            Set colServicesTest = Nothing
        Loop

        ' See if we need to tell the user we're going to (re)start the service
        If Not blnQuiet Then
            WScript.Echo "Starting " & myService
        End If

        ' Start the service
        objService.StartService

        ' Wait until the service is running again
        Do Until strTest = "Running"
            ' Create a new object for our service; this work-around is required
            ' since otherwise the service's state information isn't properly updated
            Set colServicesTest = objWMIService.ExecQuery( strQuery, "WQL", 48 )

            ' Loop through the "collection" of returned services
            For Each objServiceTest In colServicesTest
                ' Check the service's state
                strTest = objServiceTest.State
                ' See if we need to show the progress
                If Not blnQuiet Then
                    WScript.Echo "State: " & strTest
                End If
                ' Wait 1 second
                WScript.Sleep 1000
            Next

            ' Clear the temporary object
            Set colServicesTest = Nothing
        Loop
    Next
End Sub
Requirements:
Windows version: NT 4, 2000, XP, Server 2003, or Vista
Network: any
Client software: WMI CORE 1.5 for Windows NT 4
Script Engine: WSH (replace the WScript.Echo and WScript.Sleep lines to make this work in HTAs)
Summarized: Works in Windows NT 4 or later, requires WMI CORE 1.5 for Windows NT 4.
Won't work in Windows 95, 98 or ME.
 
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page last uploaded: 4 March 2011, 12:56