Set-ADDefault Domain Password Policy

Module:
addsadministration
Modifies the default password policy for an Active Directory domain.

Syntax 

Set-ADDefaultDomainPasswordPolicy
   [-WhatIf]
   [-Confirm]
   [-AuthType <ADAuthType>]
   [-ComplexityEnabled <Boolean>]
   [-Credential <PSCredential>]
   [-Identity] <ADDefaultDomainPasswordPolicy>
   [-LockoutDuration <TimeSpan>]
   [-LockoutObservationWindow <TimeSpan>]
   [-LockoutThreshold <Int32>]
   [-MaxPasswordAge <TimeSpan>]
   [-MinPasswordAge <TimeSpan>]
   [-MinPasswordLength <Int32>]
   [-PassThru]
   [-PasswordHistoryCount <Int32>]
   [-ReversibleEncryptionEnabled <Boolean>]
   [-Server <String>]
   [<CommonParameters>]

Description

The Set-ADDefaultDomainPasswordPolicy cmdlet modifies the properties of the default password policy for a domain. You can modify property values by using the cmdlet parameters.

The Identity parameter specifies the domain whose default password policy you want modify. You can identify a domain by its distinguished name, GUID, Security Identifier (SID), DNS domain name, or NETBIOS name. You can also set the parameter to an ADDomain object variable, or pass an ADDomain object through the pipeline to the Identity parameter. For example, you can use the Get-ADDomain cmdlet to retrieve a domain object and then pass the object through the pipeline to the Set-ADDefaultDomainPasswordPolicy cmdlet.

Examples

Example 1: Set the default password policy for a specified domain 

PS C:\> Set-ADDefaultDomainPasswordPolicy -Identity fabrikam.com -LockoutDuration 00:40:00 -LockoutObservationWindow 00:20:00 -ComplexityEnabled $True -ReversibleEncryptionEnabled $False -MaxPasswordAge 10.00:00:00

This command sets the default domain password policy for a domain specified by using the Identity parameter. Note: setting MaxPwdAge to 0 will convert it to never, which is Int64.MinValue or -9223372036854775808 in the directory.

Example 2: Set the default domain policy for the current logged on user domain 

PS C:\> Get-ADDefaultDomainPasswordPolicy -Current LoggedOnUser | Set-ADDefaultDomainPasswordPolicy -LockoutDuration 00:40:00 -LockoutObservationWindow 00:20:00 -ComplexityEnabled $true -ReversibleEncryptionEnabled $false -MinPasswordLength 12

This command sets the default domain password policy for the current logged on user domain.

Required Parameters

-Identity

Specifies an Active Directory domain object by providing one of the following property values. The identifier in parentheses is the Lightweight Directory Access Protocol (LDAP) display name for the attribute. All values are for the domainDNS object that represents the domain. The acceptable values for this parameter are:

  • A distinguished name
  • A GUID (objectGUID)
  • A security identifier (objectSid)
  • A DNS domain name
  • A NetBIOS domain name

The cmdlet searches the default naming context or partition to find the object. If two or more objects are found, the cmdlet returns a non-terminating error.

This parameter can also get this object through the pipeline or you can set this parameter to a domain object instance.

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

Optional Parameters

-AuthType

Specifies the authentication method to use. The acceptable values for this parameter are:

  • Negotiate or 0
  • Basic or 1

The default authentication method is Negotiate.

A Secure Sockets Layer (SSL) connection is required for the Basic authentication method.

Type: ADAuthType
Parameter Sets: Negotiate, Basic
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-ComplexityEnabled

Specifies whether password complexity is enabled for the password policy. If enabled, the password must contain three of the following four character types:

  • Uppercase characters (A, B, C, D, E, ...)
  • Lowercase characters (a, b, c, d, e, ...)
  • Numerals (0, 1, 2, 3, ...)
  • Special characters (#, $, *, %, ...)

This parameter sets the ComplexityEnabled property of a password policy. The acceptable values for this parameter are:

  • $False or 0. Disables password complexity.
  • $True or 1. Enables password complexity.
Type: Boolean
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-Confirm

Prompts you for confirmation before running the cmdlet.

Type: SwitchParameter
Aliases: cf
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False
-Credential

Specifies the user account credentials to use to perform this task. The default credentials are the credentials of the currently logged on user unless the cmdlet is run from an Active Directory module for Windows PowerShell provider drive. If the cmdlet is run from such a provider drive, the account associated with the drive is the default.

To specify this parameter, you can type a user name, such as User1 or Domain01\User01 or you can specify a PSCredential object. If you specify a user name for this parameter, the cmdlet prompts for a password.

You can also create a PSCredential object by using a script or by using the Get-Credential cmdlet. You can then set the Credential parameter to the PSCredential object.

If the acting credentials do not have directory-level permission to perform the task, Active Directory module for Windows PowerShell returns a terminating error.

Type: PSCredential
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-LockoutDuration

Specifies the length of time that an account is locked after the number of failed login attempts exceeds the lockout threshold. You cannot login to an account that is locked until the lockout duration time period has expired. This parameter sets the lockoutDuration property of a password policy object. The LDAP display name ( ldapDisplayName ) of this property is msDS-LockoutDuration.

The lockout duration must be greater than or equal to the lockout observation time for a password policy. Use the LockOutObservationWindow parameter to set the lockout observation time.

Specify the lockout duration time interval in the following format:

[-]D.H:M:S.F

where:

D = Days (0 to 10675199)

H = Hours (0 to 23)

M = Minutes (0 to 59)

S = Seconds (0 to 59)

F = Fractions of a second (0 to 9999999)

Type: TimeSpan
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-LockoutObservationWindow

Specifies the maximum time interval between two unsuccessful login attempts before the number of unsuccessful login attempts is reset to 0. An account is locked when the number of unsuccessful login attempts exceeds the password policy lockout threshold. This parameter sets the lockoutObservationWindow property of a password policy object. The LDAP display name ( ldapDisplayName ) of this property is msDS-lockoutObservationWindow.

The lockout observation window must be smaller than or equal to the lockout duration for a password policy. Use the LockoutDuration parameter to set the lockout duration time.

Specify the time interval in the following format:

[-]D:H:M:S.F

where:

D = Days (0 to 10675199)

H = Hours (0 to 23)

M = Minutes (0 to 59)

S = Seconds (0 to 59)

F = Fractions of a second (0 to 9999999)

Note: Time values must be between the following values: 0:0:0:0.0 and 10675199:02:48:05.4775807.

Type: TimeSpan
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-LockoutThreshold

Specifies the number of unsuccessful login attempts that are permitted before an account is locked out. This number increases when the time between unsuccessful login attempts is less than the time specified for the lockout observation time window. This parameter sets the LockoutThreshold property of a password policy.

Type: Int32
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-MaxPasswordAge

Specifies the maximum length of time that you can have the same password. After this time period, the password expires and you must create a new one.

This parameter sets the maxPasswordAge property of a password policy. The LDAP display name ( ldapDisplayName ) for this property is maxPwdAge.

Specify the time interval in the following format:

[-]D.H:M:S.F

where:

[-] = Specifies a negative time interval

D = Days (0 to 10675199)

H = Hours (0 to 23)

M = Minutes (0 to 59)

S = Seconds (0 to 59)

F = Fractions of a second (0 to 9999999)

Note: Time values must be between the following values: -10675199:02:48:05.4775808 and 10675199:02:48:05.4775807.

Type: TimeSpan
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-MinPasswordAge

Specifies the minimum length of time before you can change a password.

This parameter sets the minPasswordAge property of a password policy. The LDAP display name ( ldapDisplayName ) for this property is minPwdAge.

Specify the time interval in the following format.

[-]D.H:M:S.F

where:

[-] = Specifies a negative time interval

D = Days (0 to 10675199)

H = Hours (0 to 23)

M = Minutes (0 to 59)

S = Seconds (0 to 59)

F = Fractions of a second (0 to 9999999)

Note: Time values must be between the following values: -10675199:02:48:05.4775808 and 10675199:02:48:05.4775807.

Type: TimeSpan
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-MinPasswordLength

Specifies the minimum number of characters that a password must contain. This parameter sets the MinPasswordLength property of the password policy.

Type: Int32
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-PassThru

Returns an object representing the item with which you are working. By default, this cmdlet does not generate any output.

Type: SwitchParameter
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-PasswordHistoryCount

Specifies the number of previous passwords to save. A user cannot reuse a password in the list of saved passwords. This parameter sets the PasswordHistoryCount property for a password policy.

Type: Int32
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-ReversibleEncryptionEnabled

Specifies whether the directory must store passwords using reversible encryption. This parameter sets the ReversibleEncryption property for a password policy. The acceptable values for this parameter are:

  • $False or 0
  • $True or 1
Type: Boolean
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
-Server

Specifies the Active Directory Domain Services instance to connect to, by providing one of the following values for a corresponding domain name or directory server. The service may be any of the following: Active Directory Lightweight Domain Services, Active Directory Domain Services or Active Directory snapshot instance.

Specify the Active Directory Domain Services instance in one of the following ways:

Domain name values:

  • Fully qualified domain name
  • NetBIOS name

Directory server values:

  • Fully qualified directory server name
  • NetBIOS name
  • Fully qualified directory server name and port

The default value for this parameter is determined by one of the following methods in the order that they are listed:

  • By using the Server value from objects passed through the pipeline
  • By using the server information associated with the Active Directory Domain Services Windows PowerShell provider drive, when the cmdlet runs in that drive
  • By using the domain of the computer running Windows PowerShell
Type: String
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
Aliases: wi
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

Inputs

None or Microsoft.ActiveDirectory.Management.ADDomain

A domain object is received by the Identity parameter.

Outputs

None

Notes

  • This cmdlet does not work with Active Directory Lightweight Directory Services.
  • This cmdlet does not work with an Active Directory snapshot.
  • This cmdlet does not work with a read-only domain controller.