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Uninstall-ADServiceAccount

Updated: July 8, 2014

Applies To: Windows 8.1, Windows PowerShell 4.0, Windows Server 2012 R2

Uninstall-ADServiceAccount

Uninstalls an Active Directory managed service account from a computer or removes a cached group managed service account from a computer.

Syntax

Parameter Set: Default
Uninstall-ADServiceAccount [-Identity] <ADServiceAccount> [-AuthType <ADAuthType> {Negotiate | Basic} ] [-ForceRemoveLocal] [-Confirm] [-WhatIf] [ <CommonParameters>]




Detailed Description

The Uninstall-ADServiceAccount cmdlet removes an Active Directory standalone managed service account (MSA) on the computer on which the cmdlet is run. For group MSAs, the cmdlet removes the group MSA from the cache, however, if a service is still using the group MSA and the host has permission to retrieve the password a new cache entry will be created. The specified MSA must be installed on the computer.

The Identity parameter specifies the Active Directory MSA to uninstall. You can identify a MSA by its distinguished name (DN), GUID, security identifier (SID), or Security Accounts Manager (SAM) account name. You can also set the parameter to a MSA object variable, such as $<localServiceAccountObject> or pass a MSA object through the pipeline to the Identity parameter. For example, you can use the Get-ADServiceAccount to get a MSA object and then pass that object through the pipeline to the Uninstall-ADServiceAccount cmdlet.

For standalone MSA, the ForceRemoveLocal switch parameter will allow you to remove the account from the local LSA without failing the command if an access to a writable DC is not possible. This is required if you are uninstalling the standalone MSA from a server that is placed in a segmented network (i.e. perimeter network) with access only to an RODC. If you pass this parameter and the server has access to a writable DC the standalone MSA will be un-linked from the computer account in the directory as well.

Parameters

-AuthType<ADAuthType>

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.


Aliases

none

Required?

false

Position?

named

Default Value

Microsoft.ActiveDirectory.Management.AuthType.Negotiate

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-ForceRemoveLocal

Indicates that you can remove the account from the local LSA without failing the command if an access to a writable DC is not possible. This is required if you are uninstalling the MSA from a server that is placed in a segmented network (i.e. perimeter network) with access only to an RODC. If you pass this parameter and the server has access to a writable DC the account will be un-linked from the computer account in the directory as well.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Identity<ADServiceAccount>

Specifies an Active Directory account object by providing one of the following property values. The identifier in parentheses is the LDAP display name for the attribute.The acceptable values for this parameter are: 

-- A Distinguished Name
-- A GUID (objectGUID)
-- A Security Identifier (objectSid)
-- A SAM Account Name (sAMAccountName)

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 an object instance.


Aliases

none

Required?

true

Position?

1

Default Value

none

Accept Pipeline Input?

True (ByValue)

Accept Wildcard Characters?

false

-Confirm

Prompts you for confirmation before running the cmdlet.


Required?

false

Position?

named

Default Value

false

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-WhatIf

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


Required?

false

Position?

named

Default Value

false

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

<CommonParameters>

This cmdlet supports the common parameters: -Verbose, -Debug, -ErrorAction, -ErrorVariable, -OutBuffer, and -OutVariable. For more information, see    about_CommonParameters.

Inputs

The input type is the type of the objects that you can pipe to the cmdlet.

  • None or Microsoft.ActiveDirectory.Management.ADServiceAccount

    A managed service account object is received by the Identity parameter. A parameter with name ForceRemoveLocal is provided to un-install standalone MSAs on a RODC only site.


Outputs

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

  • None

Notes

  • This cmdlet does not work with AD LDS.

  • This cmdlet does not work with an Active Directory Snapshot.

  • This cmdlet does not work with a read-only domain controller.

Examples

-------------------------- EXAMPLE 1 --------------------------

This command uninstalls the managed service account SQL-SRV1 from the local machine.


PS C:\> Uninstall-ADServiceAccount -Identity SQL-SRV1

-------------------------- EXAMPLE 2 --------------------------

This command uninstalls a standalone Managed Service Account from a server located in a RODC-only site with no access to writable DCs such as a perimeter network.


PS C:\> Uninstall-ADServiceAccount -Identity sql-hr-01 -ForceRemoveLocal

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