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Connect-WSMan

Connect-WSMan

Connects to the WinRM service on a remote computer.

Syntax

Parameter Set: ComputerName
Connect-WSMan [[-ComputerName] <String> ] [-ApplicationName <String> ] [-Authentication <AuthenticationMechanism> ] [-CertificateThumbprint <String> ] [-Credential <PSCredential> ] [-OptionSet <Hashtable> ] [-Port <Int32> ] [-SessionOption <SessionOption> ] [-UseSSL] [ <CommonParameters>]

Parameter Set: URI
Connect-WSMan [-Authentication <AuthenticationMechanism> ] [-CertificateThumbprint <String> ] [-ConnectionURI <Uri> ] [-Credential <PSCredential> ] [-OptionSet <Hashtable> ] [-Port <Int32> ] [-SessionOption <SessionOption> ] [ <CommonParameters>]




Detailed Description

The Connect-WSMan cmdlet connects to the WinRM service on a remote computer, and it establishes a persistent connection to the remote computer. You can use this cmdlet in the context of the WSMan provider to connect to the WinRM service on a remote computer. However, you can also use this cmdlet to connect to the WinRM service on a remote computer before you change to the WSMan provider. The remote computer appears in the root directory of the WSMan provider.

Explicit credentials are required when the client and server computers are in different domains or workgroups.

For information about how to disconnect from the WinRM service on a remote computer, see the Disconnect-WSMan cmdlet.

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 Web Services for Management (WS-Management) for efficiency.


Aliases

none

Required?

false

Position?

named

Default Value

wsman

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

-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?

1

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

none

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

-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?

false

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

-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

-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

none

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 cmdlet does not accept any input.


Outputs

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

  • None

    This cmdlet does not generate any output.


Notes

  • You can run management commands or query management data on a remote computer without creating a WS-Management session. You can do this by using the ComputerName parameters of Invoke-WSManAction and Get-WSManInstance. When you use the ComputerName parameter, Windows PowerShell creates a temporary connection that is used for the single command. After the command runs, the connection is closed.

Examples

Example 1: Connect to a remote computer

This command creates a connection to the remote server01 computer.

The Connect-WSMan cmdlet is generally used in the context of the WSMan provider to connect to a remote computer, in this case the server01 computer. However, you can use the cmdlet to establish connections to remote computers before you change to the WSMan provider. Those connections appear in the ComputerName list.


PS C:\> Connect-WSMan -ComputerName "server01"
PS C:\> cd wsman:
PS WSMan:\>
PS WSMan:\> dir

Example 2: Connect to a remote computer by using Administrator credentials

This command creates a connection to the remote system server01 using the Administrator account credentials.

The first command uses the Get-Credential cmdlet to get the Administrator credentials and then stores them in the $cred variable. Get-Credential prompts you for a password of username and password through a dialog box or at the command line, depending on system registry settings.

The second command uses the Credential parameter to pass the credentials stored in $cred to Connect-WSMan. Connect-WSMan then connects to the remote system server01 by using the Administrator credentials.


PS C:\> $cred = Get-Credential Administrator
PS C:\> Connect-WSMan -ComputerName "server01" -Credential $cred
PS C:\> cd wsman:
PS WSMan:\>
PS WSMan:\> dir

Example 3: Connect to a remote computer over a specified port

This command creates a connection to the remote server01 computer over port 80.


PS C:\> Connect-WSMan -ComputerName "server01" -Port 80
PS C:\> cd wsman:
PS WSMan:\>
PS WSMan:\> dir

Example 4: Connect to a remote computer by using connection options

This example creates a connection to the remote server01 computer by using the connection options that are defined in the New-WSManSessionOption command.

The first command uses New-WSManSessionOption to store a set of connection setting options in the $a variable. In this case, the session options set a connection time out of 30 seconds (30,000 milliseconds).

The second command uses the SessionOption parameter to pass the credentials that are stored in the $a variable to Connect-WSMan. Then, Connect-WSMan connects to the remote server01 computer by using the specified session options.


PS C:\> $a = New-WSManSessionOption -OperationTimeout 30000
PS C:\> Connect-WSMan -ComputerName "server01" -SessionOption $a
PS C:\> cd wsman: 
PS WSMan:\>
PS WSMan:\> dir

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