WMI Read OS Information

/**
 *    Script:   osinfo.js
 *    Purpose:  
 *    Author:   Daren Thiel 
 *    Date:     9 Dec 2000 
 *    Web:      http://www.winscripter.com
 **/
 
 
OSReport( "localhost" );

function OSReport( host )
{
    try
    {
        var query = "Select * From Win32_OperatingSystem";
        var WbemLocator = new ActiveXObject( "WbemScripting.SWbemLocator");
        var WbemService = WbemLocator.ConnectServer( host );
        print( checkReturn( WbemService ) );
        var WbemEnum    = WbemService.ExecQuery( query );
        
        var e = new Enumerator( WbemEnum );
        for( ; !e.atEnd(); e.moveNext() )
        {
            var os = e.item();
            var ostype = String( os.Name ).split( "|" );
            print( "OS: .......... " + ostype[0] );
            print( "Build: ....... " + os.BuildNumber );
            print( "Serial Num: .. " + os.SerialNumber );
            print( "Suite: ....... " + os.ProductSuite );
            print( "Users [Num] .. " + os.NumberOfUsers );
            print( "Last Boot: ... " + Date( os.LastBootUpTime ).toLocaleString() );
            print( "Install Date:. " + Date( os.InstallDate ).toLocaleString() );
        }
    }
    catch( e )
    {
        print( "Error: " + e.description );
    }

}


function print( msg )
{
    WScript.Echo( msg );
}

function checkReturn( code )
{
    var msg = String();
    var wbemErrAccessDenied     = 0x80041003;
    var wbemErrFailed       = 0x80041001;
    var wbemErrInvalidNamespace     = 0x8004100E;
    var wbemErrInvalidParameter = 0x80041008;
    var wbemErrOutOfMemory      = 0x80041006;
    var wbemErrTransportFailure     = 0x80041015;
    
    switch( code )
    {
        case wbemErrAccessDenied:
            msg = "The current or specified user name and password were not valid or authorized to make the connection.";
            break;
        case wbemErrFailed:
            msg = "Unspecified error.";
            break;
        case wbemErrInvalidNamespace:
            msg = "The specified namespace did not exist on the server.";
            break;
        case wbemErrInvalidParameter:
            msg = "An invalid parameter was specified, or the namespace could not be parsed.";
            break;
        case wbemErrOutOfMemory:
            msg = "Not enough memory to complete the operation.";
            break;
        case wbemErrTransportFailure:
            msg = "A networking error occurred, preventing normal operation.";
            break;
        default:
            msg = "Connected: " + code;
            
    }
    print( msg );
}