请问一下在什么情况下会计算出现189912300000

这是一个获得网络时间，然后进行对比验证的脚本，现在想知道189912300000是怎么得出的？ 就是我有2太联网的机器，不知道为什么1台可以过验证，一台就显示未连接，既是189912300000。求助，附上源码，请大侠解决我的问题

Sub 时间限制
     VBSBegin
        ' //获取百度原始时间
         Set XmlHttp = CreateObject("Microsoft.XMLHTTP")
         XmlHttp.Open "Get", "http://www., False
         XmlHttp.send
         datetxt=XmlHttp.getResponseHeader("Date")
         Set XmlHttp = Nothing
         ' //将获取到的原始时间进行格式化 2010年03月11日 03:09:52
         temdate = Split(datetxt, ",")
         tempvar = Replace(temdate(1), "GMT", "")
         temptim = Split(tempvar, " ")
         Select Case temptim(2)
         Case "Jan":
         mon = "01"
         Case "Feb":
         mon = "02"
         Case "Mar":
         mon = "03"
         Case "Apr":
         mon = "04"
         Case "May":
         mon = "05"
         Case "Jun":
         mon = "06"
         Case "Jul":
         mon = "07"
         Case "Aug":
         mon = "08"
         Case "Sep":
         mon = "09"
         Case "Oct":
         mon = "10"
         Case "Nov":
         mon = "11"
         Case "Dec":
         mon = "12"
         End Select
         '//将获取到的时间转换为北京时间+8小时
         timeGMT = CDate(temptim(3) & "年" & mon & "月" & temptim(1) & "日" & temptim(4))
         GetNetTime = DateAdd("h",8, timeGMT)
     VBSEnd
    ShiJian = (Year(GetNetTime) & Right("0" & Month(GetNetTime),2) & Right("0" & Day(GetNetTime),2) & Right("0" & Hour(GetNetTime),2) & Right("0" & Minute(GetNetTime),2))
     If ShiJian=189912300000
         MessageBox "未连接到服务器"
         EndScript
//以下数字就是脚本到期时间
     ElseIf ShiJian<201211121630
         Delay 100
     Else
        MessageBox "服务器升级维护 "
        Delay 100
        
       EndScript