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Get-WSManInstance

Get-WSManInstance

Displays management information for a resource instance specified by a Resource URI.

Syntax

Parameter Set: GetInstance
Get-WSManInstance [-ResourceURI] <Uri> [-ApplicationName <String> ] [-Authentication <AuthenticationMechanism> ] [-CertificateThumbprint <String> ] [-ComputerName <String> ] [-ConnectionURI <Uri> ] [-Credential <PSCredential> ] [-Dialect <Uri> ] [-Fragment <String> ] [-OptionSet <Hashtable> ] [-Port <Int32> ] [-SelectorSet <Hashtable> ] [-SessionOption <SessionOption> ] [-UseSSL] [ <CommonParameters>]

Parameter Set: Enumerate
Get-WSManInstance [-ResourceURI] <Uri> -Enumerate [-ApplicationName <String> ] [-Associations] [-Authentication <AuthenticationMechanism> ] [-BasePropertiesOnly] [-CertificateThumbprint <String> ] [-ComputerName <String> ] [-ConnectionURI <Uri> ] [-Credential <PSCredential> ] [-Dialect <Uri> ] [-Filter <String> ] [-OptionSet <Hashtable> ] [-Port <Int32> ] [-ReturnType <String> ] [-SessionOption <SessionOption> ] [-Shallow] [-UseSSL] [ <CommonParameters>]




Detailed Description

The Get-WSManInstance cmdlet retrieves an instance of a management resource that is specified by a resource Uniform Resource Identifier (URI). The information that is retrieved can be a complex XML information set, which is an object, or a simple value. This cmdlet is the equivalent to the standard Web Services for Management (WS-Management) Get command.

This cmdlet uses the WS-Management connection/transport layer to retrieve information.

Parameters

-ApplicationName<String>

Specifies the application name in the connection. The default value of the ApplicationName parameter is WSMAN. The complete identifier for the remote endpoint is in the following format:

<transport>://<server>:<port>/<ApplicationName>

For example: http://server01:8080/WSMAN

Internet Information Services (IIS), which hosts the session, forwards requests with this endpoint to the specified application. This default setting of WSMAN is appropriate for most uses. This parameter is designed to be used if many computers establish remote connections to one computer that is running Windows PowerShell. In this case, IIS hosts WS-Management for efficiency.


Aliases

none

Required?

false

Position?

named

Default Value

wsman

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Associations

Indicates that this cmdlet gets association instances, not associated instances. You can use this parameter only when the Dialect parameter has a value of Association.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Authentication<AuthenticationMechanism>

Specifies the authentication mechanism to be used at the server. The acceptable values for this parameter are:

-- Basic. Basic is a scheme in which the user name and password are sent in clear text to the server or proxy.
-- Default. Use the authentication method implemented by the WS-Management protocol. This is the default.
-- Digest. Digest is a challenge-response scheme that uses a server-specified data string for the challenge.
-- Kerberos. The client computer and the server mutually authenticate by using Kerberos certificates.
-- Negotiate. Negotiate is a challenge-response scheme that negotiates with the server or proxy to determine the scheme to use for authentication. For example, this parameter value allows for negotiation to determine whether the Kerberos protocol or NTLM is used.
-- CredSSP. Use Credential Security Support Provider (CredSSP) authentication, which lets the user delegate credentials. This option is designed for commands that run on one remote computer but collect data from or run additional commands on other remote computers.

Caution: CredSSP delegates the user credentials from the local computer to a remote computer. This practice increases the security risk of the remote operation. If the remote computer is compromised, when credentials are passed to it, the credentials can be used to control the network session.


Aliases

auth,am

Required?

false

Position?

named

Default Value

Default

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-BasePropertiesOnly

Indicates that this cmdlet enumerates only the properties that are part of the base class that is specified by the ResourceURI parameter. This parameter has no effect if the Shallow parameter is specified.


Aliases

UBPO,Base

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-CertificateThumbprint<String>

Specifies the digital public key certificate (X509) of a user account that has permission to perform this action. Enter the certificate thumbprint of the certificate.

Certificates are used in client certificate-based authentication. They can be mapped only to local user accounts; they do not work with domain accounts.

To get a certificate thumbprint, use the Get-Item or Get-ChildItem command in the Windows PowerShell Cert: drive.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-ComputerName<String>

Specifies the computer against which to run the management operation. The value can be a fully qualified domain name, a NetBIOS name, or an IP address. Use the local computer name, use localhost, or use a dot (.) to specify the local computer. The local computer is the default. When the remote computer is in a different domain from the user, you must use a fully qualified domain name must be used. You can pipe a value for this parameter to the cmdlet.


Aliases

CN

Required?

false

Position?

named

Default Value

localhost

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-ConnectionURI<Uri>

Specifies the connection endpoint. The format of this string is as follows:

<Transport>://<Server>:<Port>/<ApplicationName>

The following string is a correctly formatted value for this parameter:

http://Server01:8080/WSMAN

The URI must be fully qualified.


Aliases

CURI,CU

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Credential<PSCredential>

Specifies a user account that has permission to perform this action. The default is the current user. Type a user name, such as User01, Domain01\User01, or User@Domain.com. Or, enter a PSCredential object, such as one returned by the Get-Credential cmdlet. When you type a user name, this cmdlet prompts you for a password.


Aliases

cred,c

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

True (ByPropertyName)

Accept Wildcard Characters?

false

-Dialect<Uri>

Specifies the dialect to use in the filter predicate. This can be any dialect that is supported by the remote service. The following aliases can be used for the dialect URI:

-- WQL. http://schemas.microsoft.com/wbem/wsman/1/WQL
-- Selector. http://schemas.microsoft.com/wbem/wsman/1/wsman/SelectorFilter
-- Association. http://schemas.dmtf.org/wbem/wsman/1/cimbinding/associationFilter


Aliases

none

Required?

false

Position?

named

Default Value

http://schemas.microsoft.com/wbem/wsman/1/WQL

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Enumerate

Indicates that this cmdlet returns all of the instances of a management resource.


Aliases

none

Required?

true

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Filter<String>

Specifies the filter expression for the enumeration. If you specify this parameter, you must also specify Dialect.

The valid values of this parameter depend on the dialect that is specified in Dialect. For example, if Dialect is WQL, the Filter parameter must contain a string, and the string must contain a valid WQL query such as the following query:

"Select * from Win32_Service where State != Running"

If Dialect is Association, Filter must contain a string, and the string must contain a valid filter, such as the following filter:

-filter:Object=EPR[;AssociationClassName=AssocClassName][;ResultClassName=ClassName][;Role=RefPropertyName][;ResultRole=RefPropertyName]}


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Fragment<String>

Specifies a section inside the instance that is to be updated or retrieved for the specified operation. For example, to get the status of a spooler service, specify the following:

-Fragment Status


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-OptionSet<Hashtable>

Specifies a set of switches to a service to modify or refine the nature of the request. These resemble switches used in command-line shells because they are service specific. Any number of options can be specified.

The following example demonstrates the syntax that passes the values 1, 2, and 3 for the a, b, and c parameters:

-OptionSet @{a=1;b=2;c=3}


Aliases

OS

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

True (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-Port<Int32>

Specifies the port to use when the client connects to the WinRM service. When the transport is HTTP, the default port is 80. When the transport is HTTPS, the default port is 443.

When you use HTTPS as the transport, the value of the ComputerName parameter must match the server's certificate common name (CN). However, if the SkipCNCheck parameter is specified as part of the SessionOption parameter, the certificate common name of the server does not have to match the host name of the server. The SkipCNCheck parameter should be used only for trusted computers.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-ResourceURI<Uri>

Specifies the URI of the resource class or instance. The URI identifies a specific type of resource, such as disks or processes, on a computer.

A URI consists of a prefix and a path of a resource. For example:

http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/Win32_LogicalDisk

http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_NumericSensor


Aliases

RURI

Required?

true

Position?

1

Default Value

none

Accept Pipeline Input?

True (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-ReturnType<String>

Specifies the type of data to be returned. The acceptable values for this parameter are:

-- Object
-- EPR
-- ObjectAndEPR

The default value is Object.

If you specify Object or do not specify this parameter, this cmdlet returns only objects. If you specify endpoint reference (EPR) this cmdlet returns only the endpoint references of the objects. Endpoint references contain information about the resource URI and the selectors for the instance. If you specify ObjectAndEPR, this cmdlet returns both the object and its associated endpoint references.


Aliases

RT

Required?

false

Position?

named

Default Value

Object

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-SelectorSet<Hashtable>

Specifies a set of value pairs that are used to select particular management resource instances. The SelectorSet parameter is used when more than one instance of the resource exists. The value of the SelectorSet parameter must be a hash table.

The following example shows how to enter a value for this parameter:

-SelectorSet @{Name="WinRM";ID="yyy"}


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-SessionOption<SessionOption>

Specifies extended options for the WS-Management session. Enter a SessionOption object that you create by using the New-WSManSessionOption cmdlet. For more information about the options that are available, type Get-Help New-WSManSessionOption.


Aliases

SO

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Shallow

Indicates that this cmdlet returns only instances of the base class that is specified in the resource URI. If you do not specify this parameter,, this cmdlet returns instances of the base class that is specified in the URI and in all its derived classes.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-UseSSL

Specifies that the Secure Sockets Layer (SSL) protocol is used to establish a connection to the remote computer. By default, SSL is not used.

WS-Management encrypts all the Windows PowerShell content that is transmitted over the network. The UseSSL parameter lets you specify the additional protection of HTTPS instead of HTTP. If SSL is not available on the port that is used for the connection, and you specify this parameter, the command fails.


Aliases

SSL

Required?

false

Position?

named

Default Value

none

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.

  • None

    This command does not accept any input.


Outputs

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

  • System.Xml.XmlElement

    This cmdlet generates an XMLElement object.


Examples

Example 1: Get all information from WMI

This command returns all of the information that Windows Management Instrumentation (WMI) exposes about the WinRM service on the remote server01 computer.


PS C:\> Get-WSManInstance -ResourceURI wmicimv2/win32_service -SelectorSet @{name="winrm"} -ComputerName "Server01"

Example 2: Get the status of the Spooler service

This command returns only the status of the Spooler service on the remote server01 computer.


PS C:\> Get-WSManInstance -ResourceURI wmicimv2/win32_service -SelectorSet @{name="spooler"} -Fragment Status -ComputerName "Server01"

Example 3: Get endpoint references for all services

This command returns endpoint references that correspond to all the services on the local computer.


PS C:\> Get-WSManInstance -Enumerate -ResourceURI wmicimv2/win32_service -ReturnType EPR

Example 4: Get services that meet specified criteria

This command lists all of the services that meet the following criteria on the remote Server01 computer:

-- The startup type of the service is Automatic.
-- The service is stopped.


PS C:\> Get-WSManInstance -Enumerate -ResourceURI wmicimv2/* -Filter "select * from win32_service where StartMode = 'Auto' and State = 'Stopped'" -ComputerName "Server01"

Example 5: Get listener configuration that matches criteria on the local computer

This command lists the WS-Management listener configuration on the local computer for the listener that matches the criteria in the selector set.


PS C:\> Get-WSManInstance -ResourceURI winrm/config/listener -SelectorSet @{Address="*";Transport="http"}

Example 6: Get listener configuration that matches criteria on a remote computer

This command lists the WS-Management listener configuration on the remote server01 computer for the listener that matches the criteria in the selector set.


PS C:\> Get-WSManInstance -ResourceURI winrm/config/listener -SelectorSet @{Address="*";Transport="http"} -ComputerName "Server01"

Example 7: Get associated instances related to a specified instance

This command gets the associated instances that are related to the specified instance (winrm).

You must enclose the filter in quotation marks, as shown in the example.


PS C:\> Get-WSManInstance -Enumerate -Dialect Association -Filter "{Object=win32_service?name=winrm}" -ResourceURI wmicimv2/*

Example 8: Get association instances related to a specified instance

This command gets association instances that are related to the specified instance (winrm). Because the Dialect value is association and the Associations parameter is used, this command returns association instances, not associated instances.

You must enclose the filter in quotation marks, as shown in the example.


PS C:\> Get-WSManInstance -Enumerate -Dialect Association -Associations -Filter "{Object=win32_service?name=winrm}" -ResourceURI wmicimv2/*

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