Set-WmiInstance - PowerShell command help and examples

Creates or updates an instance of an existing Windows Management Instrumentation (WMI) class. (Set-WmiInstance)


NAME
Set-WmiInstance
SYNOPSIS
Creates or updates an instance of an existing Windows Management Instrumentation (WMI) class.
SYNTAX
Set-WmiInstance [-Class] <string> [[-Arguments] <hashtable>] [-Authentication {Default | None | Connect | Call | Packet | PacketIntegrity | PacketPrivacy | Unchanged}] [-Authority <string>] [-ComputerName <string[]>] [-Credential <PSCredential>] [-EnableAllPrivileges] [-Impersonation {Default | Anonymous | Identify | Impersonate | Delegate}] [-Locale <string>] [-Namespace <string>] [-AsJob] [-PutType {None | UpdateOnly | CreateOnly | UpdateOrCreate}] [-ThrottleLimit <int>] [-Confirm] [-WhatIf] [<CommonParameters>] Set-WmiInstance [-Authentication {Default | None | Connect | Call | Packet | PacketIntegrity | PacketPrivacy | Unchanged}] [-Authority <string>] [-ComputerName <string[]>] [-Credential <PSCredential>] [-EnableAllPrivileges] [-Impersonation {Default | Anonymous | Identify | Impersonate | Delegate}] [-Locale <string>] [-Namespace <string>] [-AsJob] [-PutType {None | UpdateOnly | CreateOnly | UpdateOrCreate}] [-ThrottleLimit <int>] [-Confirm] [-WhatIf] [<CommonParameters>] Set-WmiInstance -InputObject <ManagementObject> [-Arguments <hashtable>] [-AsJob] [-PutType {None | UpdateOnly | CreateOnly | UpdateOrCreate}] [-ThrottleLimit <int>] [-Confirm] [-WhatIf] [<CommonParameters>] Set-WmiInstance -Path <string> [-Arguments <hashtable>] [-Authentication {Default | None | Connect | Call | Packet | PacketIntegrity | PacketPrivacy | Unchanged}] [-Authority <string>] [-ComputerName <string[]>] [-Credential <PSCredential>] [-EnableAllPrivileges] [-Impersonation {Default | Anonymous | Identify | Impersonate | Delegate}] [-Locale <string>] [-Namespace <string>] [-AsJob] [-PutType {None | UpdateOnly | CreateOnly | UpdateOrCreate}] [-ThrottleLimit <int>] [-Confirm] [-WhatIf] [<CommonParameters>] Set-WmiInstance [-Authentication {Default | None | Connect | Call | Packet | PacketIntegrity | PacketPrivacy | Unchanged}] [-Authority <string>] [-ComputerName <string[]>] [-Credential <PSCredential>] [-EnableAllPrivileges] [-Impersonation {Default | Anonymous | Identify | Impersonate | Delegate}] [-Locale <string>] [-Namespace <string>] [-AsJob] [-PutType {None | UpdateOnly | CreateOnly | UpdateOrCreate}] [-ThrottleLimit <int>] [-Confirm] [-WhatIf] [<CommonParameters>] Set-WmiInstance [-Authentication {Default | None | Connect | Call | Packet | PacketIntegrity | PacketPrivacy | Unchanged}] [-Authority <string>] [-ComputerName <string[]>] [-Credential <PSCredential>] [-EnableAllPrivileges] [-Impersonation {Default | Anonymous | Identify | Impersonate | Delegate}] [-Locale <string>] [-Namespace <string>] [-AsJob] [-PutType {None | UpdateOnly | CreateOnly | UpdateOrCreate}] [-ThrottleLimit <int>] [-Confirm] [-WhatIf] [<CommonParameters>]
DESCRIPTION
The Set-WmiInstance cmdlet creates or updates an instance of an existing WMI class. The created or updated instance is written to the WMI repository.
PARAMETERS
-Arguments <hashtable> Specifies the name of the property to be changed and the new value for that property. The name and value must be in a name-value pair. The name-value pair is passed on the command-line as a hash table. For example: -argument @{Setting1=1; Setting2=5; Setting3="test"}. Required? false Position? 2 Default value Accept pipeline input? false Accept wildcard characters? false -AsJob [<SwitchParameter>] Runs the command as a background job. Use this parameter to run commands that take a long time to finish. When you use the AsJob parameter, the command returns an object that represents the background job and then displays the command prompt. You can continue to work in the session while the job finishes. If Set-WmiObject is used against a remote computer, the job is created on the local computer, and the results from remote computers are automatically returned to the local computer. To manage the job, use the cmdlets that contain the Job noun (the Job cmdlets). To get the job results, use the Receive-Job cmdlet. Note: To use this parameter with remote computers, the local and remote computers must be configured for remoting. Additionally, you must start Windows PowerShell by using the "Run as administrator" option in Windows Vista and later versions of Windows,. For more information, see about_Remote_Requirements. For more information about Windows PowerShell background jobs, see about_Jobs and about_Remote_Jobs. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -Authentication <AuthenticationLevel> Specifies the authentication level to be used with the WMI connection. Valid values are: -1: Unchanged 0: Default 1: None (No authentication in performed.) 2: Connect (Authentication is performed only when the client establishes a relationship with the application.) 3: Call (Authentication is performed only at the beginning of each call when the application receives the request.) 4: Packet (Authentication is performed on all the data that is received from the client.) 5: PacketIntegrity (All the data that is transferred between the client and the application is authenticated and verified.) 6: PacketPrivacy (The properties of the other authentication levels are used, and all the data is encrypted.) Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -Authority <string> Specifies the authority to use to authenticate the WMI connection. You can specify standard NTLM or Kerberos authentication. To use NTLM, set the authority setting to ntlmdomain:<DomainName>, where <DomainName> identifies a valid NTLM domain name. To use Kerberos, specify kerberos:<DomainName>\<ServerName>". You cannot include the authority setting when you connect to the local computer. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -Class <string> Specifies the name of a WMI class. Required? true Position? 1 Default value Accept pipeline input? false Accept wildcard characters? false -ComputerName <string[]> Specifies the computer against which you want to run the management operation. The value can be a fully qualified domain name, a NetBIOS name, or an IP address. Use the local computer name, use localhost, or use a dot (.) to specify the local computer. The local computer is the default. When the remote computer is in a different domain from the user, you must use a fully qualified domain name. You can set the value of this parameter by piping the value to the parameter. This parameter does not rely on Windows PowerShell remoting, which uses WS-Management ). You can use the ComputerName parameter of Get-WmiObject even if your computer is not configured to run WS-Management remote commands. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -Credential <PSCredential> Specifies a user account that has permission to perform this action. The default is the current user. Type a user name, such as "User01", "Domain01\User01", or User@Contoso.com. Or, enter a PSCredential object, such as an object that is returned by the Get-Credential cmdlet. When you type a user name, you will be prompted for a password. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -EnableAllPrivileges [<SwitchParameter>] Enables all the privileges of the current user before the command makes the WMI call . Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -Impersonation <ImpersonationLevel> Specifies the impersonation level to use. Valid values are: 0: Default (Reads the local registry for the default impersonation level, which is usually set to "3: Impersonate".) 1: Anonymous (Hides the credentials of the caller.) 2: Identify (Allows objects to query the credentials of the caller.) 3: Impersonate (Allows objects to use the credentials of the caller.) 4: Delegate (Allows objects to permit other objects to use the credentials of the caller.) Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -InputObject <ManagementObject> Specifies a ManagementObject object to use as input. When this parameter is used, all other parameters ,except the Arguments parameter, are ignored. Required? true Position? named Default value Accept pipeline input? true (ByValue) Accept wildcard characters? false -Locale <string> Specifies the preferred locale for WMI objects. The Locale parameter is specified in an array in the MS_<LCID> format in the preferred order. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -Namespace <string> When used with the Class parameter, this parameter specifies the WMI repository namespace where the referenced WMI class is located. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -Path <string> Specifies a WMI object path to the instance that you want to create or update. Required? true Position? named Default value Accept pipeline input? false Accept wildcard characters? false -PutType <PutType> Indicates whether the WMI instance should be created or updated. Valid values are: UpdateOnly: Updates an existing WMI instance. CreateOnly: Creates a new WMI instance. UpdateOrCreate: Updates the WMI instance if it exists or creates a new instance if an instance does not exist. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -ThrottleLimit <int> Allows the user to specify a throttling value for the number of WMI operations that can be executed simultaneously. This parameter is used together with the AsJob parameter. The throttle limit applies only to the current command, not to the session or to the computer. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -Confirm [<SwitchParameter>] Prompts you for confirmation before executing the command. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false -WhatIf [<SwitchParameter>] Describes what would happen if you executed the command without actually executing the command. Required? false Position? named Default value Accept pipeline input? false Accept wildcard characters? false <CommonParameters> This cmdlet supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, WarningVariable, OutBuffer and OutVariable. For more information, type, "get-help about_commonparameters".
INPUTS
None This cmdlet does not accept input.
OUTPUTS
None This cmdlet does not generate output.
NOTES

Examples

EXAMPLE 1
C:\PS>Set-WMIInstance -class Win32_WMISetting -argument @{LoggingLevel=2} __GENUS : 2 __CLASS : Win32_WMISetting __SUPERCLASS : CIM_Setting __DYNASTY : CIM_Setting __RELPATH : Win32_WMISetting=@ __PROPERTY_COUNT : 27 __DERIVATION : {CIM_Setting} __SERVER : SYSTEM01 __NAMESPACE : root\cimv2 __PATH : \\SYSTEM01\root\cimv2:Win32_WMISetting=@ ASPScriptDefaultNamespace : \\root\cimv2 ASPScriptEnabled : False AutorecoverMofs : {%windir%\system32\wbem\cimwin32.mof, %windir%\system32\wbem\ncprov.mof, %windir%\syst em32\wbem\wmipcima.mof, %windir%\system32\wbem\secrcw32.mof...} AutoStartWin9X : BackupInterval : BackupLastTime : BuildVersion : 6001.18000 Caption : DatabaseDirectory : C:\Windows\system32\wbem\repository DatabaseMaxSize :
Description
: EnableAnonWin9xConnections : EnableEvents : False EnableStartupHeapPreallocation : False HighThresholdOnClientObjects : HighThresholdOnEvents : 20000000 InstallationDirectory : C:\Windows\system32\wbem LastStartupHeapPreallocation : LoggingDirectory : C:\Windows\system32\wbem\Logs\ LoggingLevel : 2 LowThresholdOnClientObjects : LowThresholdOnEvents : 10000000 MaxLogFileSize : 65536 MaxWaitOnClientObjects : MaxWaitOnEvents : 2000 MofSelfInstallDirectory : SettingID :
Description
----------- This command sets the WMI logging level to 2. The command passes the property to be set and the value (together considered a value pair) in the argument parameter. The parameter takes a hash table that is defined by the @{property = value} construction. Theclass information that is returned reflects the new value.
EXAMPLE 2
C:\PS>set-wmiinstance -class win32_environment -argument @{Name="testvar";VariableValue="testvalue";UserName="<SYSTEM>"} __GENUS : 2 __CLASS : Win32_Environment __SUPERCLASS : CIM_SystemResource __DYNASTY : CIM_ManagedSystemElement __RELPATH : Win32_Environment.Name="testvar",UserName="<SYSTEM>" __PROPERTY_COUNT : 8 __DERIVATION : {CIM_SystemResource, CIM_LogicalElement, CIM_ManagedSystemElement} __SERVER : SYSTEM01 __NAMESPACE : root\cimv2 __PATH : \\SYSTEM01\root\cimv2:Win32_Environment.Name="testvar",UserName="<SYSTEM>" Caption : <SYSTEM>\testvar
Description
: <SYSTEM>\testvar InstallDate : Name : testvar Status : OK SystemVariable : True UserName : <SYSTEM> VariableValue : testvalue
Description
----------- This command creates the testvar environment variable that has the value "testvalue". It does this by creating a new instance of the Win32_Environment WMI class. Note that this operation requires appropriate credentials and that you may need to restart Windows PowerShell to see the new environment variable.
EXAMPLE 3
C:\PS>Set-WMIInstance -class Win32_WMISetting -argument @{LoggingLevel=2} -computername system01, system02, system03 __GENUS : 2 __CLASS : Win32_WMISetting __SUPERCLASS : CIM_Setting __DYNASTY : CIM_Setting __RELPATH : Win32_WMISetting=@ __PROPERTY_COUNT : 27 __DERIVATION : {CIM_Setting} __SERVER : SYSTEM01 __NAMESPACE : root\cimv2 __PATH : \\SYSTEM01\root\cimv2:Win32_WMISetting=@ ASPScriptDefaultNamespace : \\root\cimv2 ASPScriptEnabled : False AutorecoverMofs : {%windir%\system32\wbem\cimwin32.mof, %windir%\system32\wbem\ncprov.mof, %windir%\syst em32\wbem\wmipcima.mof, %windir%\system32\wbem\secrcw32.mof...} AutoStartWin9X : BackupInterval : BackupLastTime : BuildVersion : 6001.18000 Caption : DatabaseDirectory : C:\Windows\system32\wbem\repository DatabaseMaxSize :
Description
: EnableAnonWin9xConnections : EnableEvents : False EnableStartupHeapPreallocation : False HighThresholdOnClientObjects : HighThresholdOnEvents : 20000000 InstallationDirectory : C:\Windows\system32\wbem LastStartupHeapPreallocation : LoggingDirectory : C:\Windows\system32\wbem\Logs\ LoggingLevel : 2 LowThresholdOnClientObjects : LowThresholdOnEvents : 10000000 MaxLogFileSize : 65536 MaxWaitOnClientObjects : MaxWaitOnEvents : 2000 MofSelfInstallDirectory : SettingID : ...
Description
----------- This command sets the WMI logging level to 2. The command passes the property to be set and the value (together considered a value pair) in the argument parameter. The parameter takes a hash table that is defined by the @{property = value} construction. The returned class information reflects the new value. RELATED LINKS Online version: http://go.microsoft.com/fwlink/?LinkID=113402 Get-WmiObject Invoke-WmiMethod Remove-WmiObject Get-WSManInstance Invoke-WSManAction New-WSManInstance Remove-WSManInstance C:\Windows>powershell get-help Get-Transaction -full

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PowerShell: Creates or updates an instance of an existing Windows Management Instrumentation (WMI) class.

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