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Export-PfxCertificate

Last Updated: 3/8/2017

SYNOPSIS

Exports a certificate or a PFXData object to a Personal Information Exchange (PFX) file.

SYNTAX

PfxCert

Export-PfxCertificate [-NoProperties] [-NoClobber] [-Force] [-ChainOption <ExportChainOption>]
 [-ProtectTo <String[]>] [-Password <SecureString>] [-FilePath] <String> [-PFXData] <PfxData> [-WhatIf]
 [-Confirm] [<CommonParameters>]

NormalCert

Export-PfxCertificate [-NoProperties] [-NoClobber] [-Force] [-ChainOption <ExportChainOption>]
 [-ProtectTo <String[]>] [-Password <SecureString>] [-FilePath] <String> [-Cert] <Certificate> [-WhatIf]
 [-Confirm] [<CommonParameters>]

DESCRIPTION

The Export-PfxCertificate cmdlet exports a certificate or a PFXData object to a Personal Information Exchange (PFX) file. By default, extended properties and the entire chain are exported.

Delegation may be required when using this cmdlet with Windows PowerShell® remoting and changing user configuration.

EXAMPLES

EXAMPLE 1

PS C:\>$mypwd = ConvertTo-SecureString -String "1234" -Force -AsPlainText



PS C:\>Get-ChildItem -Path cert:\localMachine\my\5F98EBBFE735CDDAE00E33E0FD69050EF9220254 | Export-PfxCertificate -FilePath C:\mypfx.pfx -Password $mypwd

This example exports a certificate from the local machine store to a PFX file which includes the entire chain and all external properties.

EXAMPLE 2

PS C:\>$mypwd = ConvertTo-SecureString -String "1234" -Force -AsPlainText



PS C:\>Get-ChildItem -Path cert:\LocalMachine\my | Export-PfxCertificate -FilePath C:\mypfx.pfx -Password $mypwd

This example exports all certificates under the My store for the machine account into one file named mypfx.pfx. In order for this cmdlet to succeed, all keys need to be exportable.

EXAMPLE 3

PS C:\>$mypwd = ConvertTo-SecureString -String "1234" -Force -AsPlainText



PS C:\>Export-PfxCertificate -Cert cert:\currentuser\my\5F98EBBFE735CDDAE00E33E0FD69050EF9220254 -FilePath c:\myexport.pfx -ChainOption EndEntityCertOnly -NoProperties -Password $mypwd

This example exports a certificate from the current user store with no chain and no external properties

EXAMPLE 4

PS C:\>$a = Get-ChildItem -Path cert:\localMachine\my 
Export-PfxCertificate -Cert $a[1] -FilePath C:\myexport.pfx -ProtectTo "contoso\billb99, contoso\johnj99"

This example exports a certificate from the current machine store. Both user accounts, contos\billb99 and contos\johnj99, can access this PFX with no password. A Windows® 8 DC for key distribution is required.

EXAMPLE 5

PS C:\>$a = Get-ChildItem -Path cert:\localMachine\my



PS C:\>$mypwd = ConvertTo-SecureString -String "1234" -Force -AsPlainText



PS C:\>Export-PfxCertificate -Cert $a[1] -FilePath C:\myexport.pfx -ProtectTo "contoso\billb99, contoso\johnj99" -Password $mypwd

This example exports a certificate from the current machine store. Both user accounts, johnj99 and billb99, can access this PFX file with no password. For everyone else, they need to use 1234 as a password. A Windows 8 DC for key distribution is required.

EXAMPLE 6

PS C:\>$NewPwd = ConvertTo-SecureString -String "abcd" -Force -AsPlainText



PS C:\>$mypfx = Get-PfxData -FilePath C:\mypfx.pfx -Password $Oldpwd



PS C:\>Export-PfxCertificate -PFXData $mypfx -FilePath C:\mypfx2.pfx -Password $NewPwd

This example changes an existing password for a PFX file from $OldPwd to $NewPwd.

PARAMETERS

-Cert

Specifies the path to the certificate to be exported.

Type: Certificate
Parameter Sets: NormalCert
Aliases: PsPath

Required: True
Position: 0
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-ChainOption

Specifies the options for building a chain when exporting certificates. The acceptable values for this parameter are:

-- BuildChain: Certificate chain for all end entity certificates will be built and included in the export. This option is valid for both PfxData and Cert parameters. In the case of PfxData parameter, the collection of all PFX certificates will be used as an additional store.

-- EndEntityCertOnly: Only end entity certificates are exported without any chain. This option is valid for both the PfxData and the Cert parameters.

-- PfxDataOnly: Certificates contained in PFXData objects will be exported with no chain building. This option is only valid when the PfxData parameter is used.

Type: ExportChainOption
Parameter Sets: (All)
Aliases: 
Accepted values: BuildChain, EndEntityCertOnly, PfxDataOnly

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Confirm

Prompts you for confirmation before running the cmdlet.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: cf

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

-FilePath

Specifies the path for the PFX file to be exported.

Type: String
Parameter Sets: (All)
Aliases: 

Required: True
Position: 1
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Force

Specifies that the provided PFX file should be overwritten, even if the Read-only attribute is set on the file. By default, this cmdlet overwrites existing PFX files without warning, unless the Read-only or hidden attribute is set or the NoClobber parameter is used in the cmdlet.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-NoClobber

Specifies that if the PFX file already exists, it should not be over written. This parameter takes precedence over the Force parameter, which permits this cmdlet to overwrite a PFX file even if it has the Read-only attribute set.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-NoProperties

Specifies whether the extended properties for a certificate are exported. If this parameter is specified, then extended properties are not included with the export. By default, all extended properties are included in the exported file.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-PFXData

Specifies a PFXData object that contains one or more certificates from a PFX file.

Type: PfxData
Parameter Sets: PfxCert
Aliases: 

Required: True
Position: 0
Default value: None
Accept pipeline input: True (ByValue)
Accept wildcard characters: False

-Password

Specifies the password used to protect the exported PFX file. The password should be in the form of secure string. Either the ProtectTo or this parameter must be specified, or an error will be displayed.

Type: SecureString
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-ProtectTo

Specifies an array of strings for the username or group name that can access the private key of PFX file without any password. This requires a Windows Server® 2012 domain controller. Either the Password or this parameter must be specified, or an error will be displayed.

Type: String[]
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-WhatIf

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

Type: SwitchParameter
Parameter Sets: (All)
Aliases: wi

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

System.Security.Cryptography.X509Certificates.X509Certificate2[]

The X509Certificate2[] object is an array of certificate objects.

OUTPUTS

System.IO.FileInfo

The FileInfo object contains the information about the PFX file.

NOTES

ConvertTo-SecureString

Get-ChildItem

Get-PfxData

Import-PfxCertificate

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