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Export-DhcpServer

Brian Lich|Last Updated: 3/27/2017

SYNOPSIS

Exports the DHCP server service configuration and lease data.

SYNTAX

Export-DhcpServer [-File] <String> [-ScopeId <IPAddress[]>] [-Prefix <IPAddress[]>] [-Leases] [-Force]
 [-ComputerName <String>] [-CimSession <CimSession>] [-WhatIf] [-Confirm] [<CommonParameters>]

DESCRIPTION

The Export-DhcpServer cmdlet exports the Dynamic Host Configuration Protocol (DHCP) server service configuration, and optionally lease data, to the specified file.

If you specify the ScopeId or Prefix parameter,only the specified scopes or prefixes and all server level settings are exported.

If you specify neither ScopeId or Prefix, the DHCP server service configuration including all scopes, v4 and v6 and optionally the lease data, is exported.

If you specify the Leases parameter, the lease data is also exported in addition to configuration data.

EXAMPLES

Example 1: Export all DHCP configurations

PS C:\> Export-DhcpServer -ComputerName "dhcpserver.contoso.com" -File "C:\exportdir\dhcpexport.xml"

This example exports all of the DHCP server, DHCPv4 and DHCPv6, configurations including scopes present on the DHCP server service to the specified export file in XML file format.

Example 2: Export the specified scopes

PS C:\> Export-DhcpServer -ComputerName "dhcpserver.contoso.com" -File "C:\exportdir\dhcpexport.xml" -ScopeId 10.10.10.0,10.20.20.0

This example exports the scopes 10.10.10.0 and 10.20.20.0 present on the DHCP server service to the specified export file in XML file format. The DHCPv4 server level configuration is also exported to the specified file.

Example 3: Export specified scopes and their leases

PS C:\> Export-DhcpServer -ComputerName "dhcpserver.contoso.com" -File "C:\exportdir\dhcpexport.xml" -ScopeId 10.10.10.0,10.20.20.0 -Leases

This example exports the scopes 10.10.10.0 and 10.20.20.0 present on the DHCP server service to the specified export file in XML file format. This includes the leases present in the specified scopes. The DHCPv4 server level configuration will also be exported to the specified file.

Example 4: Export the specified scopes and DHCPv6 server level configuration

PS C:\> Export-DhcpServer -ComputerName "dhcpserver.contoso.com" -File "C:\exportdir\dhcpexport.xml" -Prefix 2001:4898:7020:1020::,2001:4898:7020:1030::

This example exports the specified scopes 2001:4898:7020:1020:: and 2001:4898:7020:1030:: present on the DHCP server service to the specified export file in XML file format. The DHCPv6 server level configuration is also exported to the specified file.

Example 5: Export the specified scopes, their leases, and DHCPv6 server level configuration

PS C:\> Export-DhcpServer -ComputerName "dhcpserver.contoso.com" -File "C:\exportdir\dhcpexport.xml" -Prefix 2001:4898:7020:1020::,2001:4898:7020:1030:: -Leases

This example exports the specified scopes 2001:4898:7020:1020:: and 2001:4898:7020:1030:: present on the DHCP server service to the specified export file in XML file format. This includes the leases present in the specified scopes. The DHCP server level configuration is also exported to the specified file.

Example 6: Export scopes specified in a file

PS C:\> Import-Csv -Path "ScopeList.txt" | Export-DhcpServer -ComputerName "dhcpserver.contoso.com" -File "C:\exportdir\dhcpexport.xml" -Leases

This example exports a list of scopes specified in file named ScopeList.txt to the specified export file in XML file format. The Import-Csv cmdlet returns the objects that contain the scope IDs output and pipes the objects into this cmdlet, which exports the specified scopes.

The file named ScopeList.txt should contain the following format:

ScopeId

10.10.10.0

20.20.20.0

30.30.30.0

PARAMETERS

-CimSession

Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.

Type: CimSession
Parameter Sets: (All)
Aliases: Session

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

-ComputerName

Specifies the DNS name, or IPv4 or IPv6 address, of the target computer that runs the DHCP server service.

Type: String
Parameter Sets: (All)
Aliases: Cn

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: None
Accept pipeline input: False
Accept wildcard characters: False

-File

Specifies the name of the file to which the data will be exported. If the complete file path is not specified, the file is created in the current working directory. If there is an existing file by the same name, an error is returned.

Type: String
Parameter Sets: (All)
Aliases: 

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

-Force

Specifies that, if there is a file that already exists with the specified name, the file is overwritten.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

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

-Leases

Specifies that IP address leases is also exported.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

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

-Prefix

Specifies one or more subnet prefixes of the IPv6 scopes which are exported.

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

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

-ScopeId

Specifies the scope identifiers, in IPv4 address format, which are exported.

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

Required: False
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
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: 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

Microsoft.Management.Infrastructure.CimInstance#root/Microsoft/Windows/DHCP/DhcpServerv4Scope

The Microsoft.Management.Infrastructure.CimInstance object is a wrapper class that displays Windows Management Instrumentation (WMI) objects. The path after the pound sign (#) provides the namespace and class name for the underlying WMI object.

Microsoft.Management.Infrastructure.CimInstance#root/Microsoft/Windows/DHCP/DhcpServerv6Scope

The Microsoft.Management.Infrastructure.CimInstance object is a wrapper class that displays Windows Management Instrumentation (WMI) objects. The path after the pound sign (#) provides the namespace and class name for the underlying WMI object.

OUTPUTS

None

NOTES

Backup-DhcpServer

Import-DhcpServer

Restore-DhcpServer

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