mirror of
https://github.com/MichaelGrafnetter/DSInternals
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162 lines
3.9 KiB
Markdown
162 lines
3.9 KiB
Markdown
---
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external help file: DSInternals.PowerShell.dll-Help.xml
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Module Name: DSInternals
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online version: https://github.com/MichaelGrafnetter/DSInternals/blob/master/Documentation/PowerShell/Set-ADDBDomainController.md
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schema: 2.0.0
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---
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# Set-ADDBDomainController
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## SYNOPSIS
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Writes information about the DC to a ntds.dit file, including the highest committed USN and database epoch.
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## SYNTAX
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### USN
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```
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Set-ADDBDomainController [-Force] -DatabasePath <String> [-LogPath <String>] -HighestCommittedUsn <Int64>
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[<CommonParameters>]
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```
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### Epoch
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```
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Set-ADDBDomainController [-Force] -DatabasePath <String> [-LogPath <String>] -Epoch <Int32>
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[<CommonParameters>]
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```
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### Expiration
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```
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Set-ADDBDomainController [-Force] -DatabasePath <String> [-LogPath <String>] -BackupExpiration <DateTime>
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[<CommonParameters>]
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```
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## DESCRIPTION
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The Set-ADDBDomainController cmdlet can be used to simulate USN rollbacks, USN depletion, and database file restore operations. This cmdlet should only be used in lab environments.
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## EXAMPLES
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### Example 1
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```powershell
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PS C:\> $currentEpoch = Get-ItemPropertyValue -Path 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\NTDS\Parameters' -Name 'DSA Database Epoch'
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PS C:\> Set-ADDBDomainController -DatabasePath .\ntds.dit -Epoch $currentEpoch -Force
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```
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Copies the database epoch from registry to the ntds.dit file.
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### Example 2
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```powershell
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PS C:\> Set-ADDBDomainController -DatabasePath .\ntds.dit -HighestCommittedUsn 9223372036854775800 -Force
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```
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Modifies the highest committed USN of the AD database. This might be helpful when trying to simulate USN rollbacks and USN depletion.
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## PARAMETERS
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### -BackupExpiration
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Specifies the database backup expiration time.
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```yaml
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Type: DateTime
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Parameter Sets: Expiration
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Aliases: Expiration, Expire
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Required: True
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Position: Named
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Default value: None
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Accept pipeline input: False
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Accept wildcard characters: False
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```
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### -DatabasePath
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Specifies the path to a domain database, for instance, C:\Windows\NTDS\ntds.dit.
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```yaml
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Type: String
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Parameter Sets: (All)
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Aliases: Database, DBPath, DatabaseFilePath, DBFilePath
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Required: True
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Position: Named
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Default value: None
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Accept pipeline input: False
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Accept wildcard characters: False
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```
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### -Epoch
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Specifies the database epoch which must be consistent with the information in the registry.
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```yaml
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Type: Int32
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Parameter Sets: Epoch
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Aliases: DSAEpoch
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Required: True
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Position: Named
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Default value: None
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Accept pipeline input: False
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Accept wildcard characters: False
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```
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### -Force
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Confirms that you understand the implications of using this cmdlet and still want to use it.
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```yaml
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Type: SwitchParameter
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Parameter Sets: (All)
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Aliases:
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Required: False
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Position: Named
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Default value: None
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Accept pipeline input: False
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Accept wildcard characters: False
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```
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### -HighestCommittedUsn
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Specifies the highest committed USN for the database.
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```yaml
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Type: Int64
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Parameter Sets: USN
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Aliases: USN
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Required: True
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Position: Named
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Default value: None
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Accept pipeline input: False
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Accept wildcard characters: False
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```
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### -LogPath
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Specifies the path to a directory where the transaction log files are located. For instance, C:\Windows\NTDS. The default log directory is the one that contains the database file itself.
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```yaml
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Type: String
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Parameter Sets: (All)
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Aliases: Log, TransactionLogPath
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Required: False
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Position: Named
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Default value: None
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Accept pipeline input: False
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Accept wildcard characters: False
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```
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### CommonParameters
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This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](http://go.microsoft.com/fwlink/?LinkID=113216).
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## INPUTS
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### None
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## OUTPUTS
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### None
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## NOTES
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## RELATED LINKS
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[Get-ADDBDomainController](Get-ADDBDomainController.md)
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[Set-ADDBBootKey](Set-ADDBBootKey.md)
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