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I'm trying to get the ppt to start if there is no value in the wWWHomePage attribute. I keep getting an error: The directory property cannot be found in the cache. I've tried several different call outs for IsNull or Empty. 
 
Dim objSysInfo ,objUser ,strwWWHomePage,strUserDN,ppt, strMbox 
 
Set objSysInfo = CreateObject(&quot;ADSystemInfo&quot;) 
strUserDN = objSysInfo.UserName 
Set objUser = GetObject(&quot;LDAP://&quot; &amp;&nbsp;strUserDN) 
 
strwWWHomePage = objUser.Get(&quot;wWWHomePage&quot;) 
If IsNull(strwWWHomePage) or strwWWHomePage = Empty Then 
 
Set ppt = CreateObject(&quot;PowerPoint.Application&quot;) 
&nbsp; strMbox = MsgBox(&quot;Click OK to start PowerPoint presentation&quot;) 
&nbsp; ppt.Visible = True 
&nbsp; ppt.Presentations.Open &quot;\\serverxx\tracking\ppt.ppsx&quot; 
&nbsp; 
Else 
&nbsp; wscript.quit 
 
End If
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I'm trying to get the ppt to start if there is no value in the wWWHomePage attribute. I keep getting an error: The directory property cannot be found in the cache. I've tried several different call outs for IsNull or Empty.

Dim objSysInfo ,objUser ,strwWWHomePage,strUserDN,ppt, strMbox

Set objSysInfo = CreateObject("ADSystemInfo")
strUserDN = objSysInfo.UserName
Set objUser = GetObject("LDAP://" & strUserDN)

strwWWHomePage = objUser.Get("wWWHomePage")
If IsNull(strwWWHomePage) or strwWWHomePage = Empty Then

Set ppt = CreateObject("PowerPoint.Application")
  strMbox = MsgBox("Click OK to start PowerPoint presentation")
  ppt.Visible = True
  ppt.Presentations.Open "\\serverxx\tracking\ppt.ppsx"
  
Else
  wscript.quit

End If

VBS Reading Null Value in AD User Account wWWHomePage Attribute

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Visual Basic is Microsoft’s event-driven programming language and integrated development environment (IDE) for its Component Object Model (COM) programming model. It is relatively easy to learn and use because of its graphical development features and BASIC heritage. It has been replaced with VB.NET, and is very similar to VBA (Visual Basic for Applications), the programming language for the Microsoft Office product line.