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ConnectionOptions.Username Property

Gets or sets the user name to be used for the connection operation.

Namespace:  System.Management
Assembly:  System.Management (in System.Management.dll)

Public Property Username As String

Property Value

Type: System.String
Returns a String value used as the user name in a connection to WMI.

If the user name is from a domain other than the current domain, the string may contain the domain name and user name, separated by a backslash: string 'username' = "EnterDomainHere\\EnterUsernameHere". The strUser parameter cannot be an empty string.

Property Value

Nothing if the connection will use the currently logged-on user; otherwise, a string representing the user name. The default value is Nothing.

.NET Framework Security

Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

The following example connects to a remote computer and displays information about the operating system on the remote computer. A ConnectionOptions is created to connect to the remote computer with the desired connection options.

Imports System
Imports System.Management
Public Class RemoteConnect

    Public Overloads Shared Function Main( _
    ByVal args() As String) As Integer 

        ' Build an options object for the remote connection 
        ' if you plan to connect to the remote 
        ' computer with a different user name 
        ' and password than the one you are currently using 
        Dim options As ConnectionOptions
        options = New ConnectionOptions
        options.Username = "UserName" 

        ' Make a connection to a remote computer. 
        ' Replace the "FullComputerName" section of the 
        ' string "\\FullComputerName\root\cimv2" with 
        ' the full computer name or IP address of the 
        ' remote computer. 
        Dim scope As ManagementScope
        scope = New ManagementScope( _
            "\\FullComputerName\root\cimv2", options)

        ' Query system for Operating System information 
        Dim query As ObjectQuery
        query = New ObjectQuery( _
            "SELECT * FROM Win32_OperatingSystem")
        Dim searcher As ManagementObjectSearcher
        searcher = _
            New ManagementObjectSearcher(scope, query)

        Dim queryCollection As ManagementObjectCollection
        queryCollection = searcher.Get()

        Dim m As ManagementObject
        For Each m In queryCollection
            ' Display the remote computer information
            Console.WriteLine("Computer Name : {0}", _
            Console.WriteLine("Windows Directory : {0}", _
            Console.WriteLine("Operating System: {0}", _
            Console.WriteLine("Version: {0}", m("Version"))
            Console.WriteLine("Manufacturer : {0}", _

        Return 0
    End Function 
End Class

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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