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Start-Service

Updated: August 9, 2015

Start-Service

Starts one or more stopped services.

Aliases

The following abbreviations are aliases for this cmdlet: 

  • sasv

Syntax

Parameter Set: InputObject
Start-Service [-InputObject] <ServiceController[]> [-Exclude <String[]> ] [-Include <String[]> ] [-PassThru] [-Confirm] [-WhatIf] [ <CommonParameters>]

Parameter Set: Default
Start-Service [-Name] <String[]> [-Exclude <String[]> ] [-Include <String[]> ] [-PassThru] [-Confirm] [-WhatIf] [ <CommonParameters>]

Parameter Set: DisplayName
Start-Service -DisplayName <String[]> [-Exclude <String[]> ] [-Include <String[]> ] [-PassThru] [-Confirm] [-WhatIf] [ <CommonParameters>]




Detailed Description

The Start-Service cmdlet sends a start message to the Windows Service Controller for each of the specified services. If a service is already running, the message is ignored without error. You can specify the services by their service names or display names, or you can use the InputObject parameter to supply a service object that represents the services that you want to start.

Parameters

-DisplayName<String[]>

Specifies the display names of the services to start. Wildcard characters are permitted.


Aliases

none

Required?

true

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Exclude<String[]>

Specifies services that this cmdlet omits. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as "s*". Wildcard characters are permitted.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Include<String[]>

Specifies services that this cmdlet starts. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as "s*". Wildcard characters are permitted.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-InputObject<ServiceController[]>

Specifies ServiceController objects representing the services to be started. Enter a variable that contains the objects, or type a command or expression that gets the objects.


Aliases

none

Required?

true

Position?

1

Default Value

none

Accept Pipeline Input?

true (ByValue)

Accept Wildcard Characters?

false

-Name<String[]>

Specifies the service names for the service to be started.

The parameter name is optional. You can use Name or its alias, ServiceName, or you can omit the parameter name.


Aliases

ServiceName

Required?

true

Position?

1

Default Value

none

Accept Pipeline Input?

true(ByValue,ByPropertyName)

Accept Wildcard Characters?

false

-PassThru

Returns an object that represents the service. By default, this cmdlet does not generate any output.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Confirm

Prompts you for confirmation before running the cmdlet.


Required?

false

Position?

named

Default Value

false

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-WhatIf

Shows what would happen if the cmdlet runs. The cmdlet is not run.


Required?

false

Position?

named

Default Value

false

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

<CommonParameters>

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see    about_CommonParameters.

Inputs

The input type is the type of the objects that you can pipe to the cmdlet.

  • System.ServiceProcess.ServiceController, System.String

    You can pipe objects that represent the services or strings that contain the service names to this cmdlet.


Outputs

The output type is the type of the objects that the cmdlet emits.

  • None, System.ServiceProcess.ServiceController

    This cmdlet generates a System.ServiceProcess.ServiceController object that represents the service, if you specify PassThru. Otherwise, this cmdlet does not generate any output.


Notes

  • You can also refer to Start-Service by its built-in alias, sasv. For more information, see about_Aliases.

  • Start-Service can control services only if the current user has permission to do this. If a command does not work correctly, you might not have the required permissions.

  • To find the service names and display names of the services on your system, type Get-Service. The service names appear in the Name column, and the display names appear in the DisplayName column.

  • You can start only the services that have a start type of Manual or Automatic. You cannot start the services that have a start type of Disabled. If a Start-Service command fails with the message Cannot start service <service-name> on computer, use Get-WmiObject to find the start type of the service and, if you have to, use the Set-Service cmdlet to change the start type of the service.

  • Some services, such as Performance Logs and Alerts (SysmonLog) stop automatically if they have no work to do. When Windows PowerShell starts a service that stops itself almost immediately, it displays the following message: Service <display-name> start failed.

Examples

Example 1: Start a service by using its name

This command starts the EventLog service on the local computer. It uses the Name parameter to identify the service by its service name.


PS C:\> Start-Service -Name "eventlog"

Example 2: Display information without starting a service

This command tells what would occur if you started the services that have a display name that includes remote. It uses the DisplayName parameter to specify the services by their display name instead of by their service name. And, the command uses the WhatIf parameter. That parameter means that this command displays what would occur if you run the command without making changes.


PS C:\> Start-Service -DisplayName *remote* -WhatIf

Example 3: Start a service and record the action in a text file

These commands start the Windows Management Instrumentation (WMI) service on the computer and add a record of the action to the services.txt file. The first command uses Get-Service to get an object that represent the WMI service and store it in the $s variable.

The second command starts the WMI service. It identifies the service by using the InputObject parameter to pass the $s variable that contains the WMI service object to Start-Service. Then, it uses PassThru to create an object that represents the starting of the service. Without PassThru, Start-Service does not create any output.

The pipeline operator (|) passes the object that Start-Service creates to the Format-List cmdlet, which formats the object as a list of its properties. The append redirection operator (>>) redirects the output to the services.txt file, where it is added to the end of the existing file.


PS C:\> $s = Get-Service wmi
PS C:\> Start-Service -InputObject $s -PassThru | Format-List >> services.txt

Example 4: Start a disabled service

This series of commands shows how to start a service when the start type of the service is Disabled. The first command, which attempts to start the Telnet service (tlntsvr), fails.


The second command uses Get-WmiObject to get the Tlntsvr service. This command retrieves an object that has the start type property in the StartMode field. The resulting display reveals that the start type of the Tlntsvr service is Disabled.


The next command uses Set-Service to change the start type of the Tlntsvr service to "Manual".


Now, we can resubmit the Start-Service command. This time, the command succeeds.


To verify that the command succeeded, run Get-Service.


PS C:\> Start-Service tlntsvr
Start-Service : Service 'Telnet (TlntSvr)' cannot be started due to the    following error: Cannot start service TlntSvr on computer '.'.
At line:1 char:14
+ start-service  <<<< tlntsvr
PS C:\> Get-WMIObject win32_service | Where-Object {$_.Name -eq "tlntsvr"}
PS C:\> Set-Service tlntsvr -StartupType manual
PS C:\> start-service tlntsvr

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