Wednesday, April 06, 2005

Modify Public Folder custom attributes via script and .Net

Somebody asked today about a script to change the custom attributes of a public folder on Exchange 2x. I was supprised that i couldn't find any samples out there to do this (maybe i didn't look hard enough) so I thought i'd bolt one together. Its some pretty simple ADSI code just uses one LDAP filter to find the public folder's DN based on the public folders emailaddress (its about the only real unique property you can search on) and then connects to the folder and makes the mod using ADSI. Its designed to run with two commandline parameters the first is the email address of the public folder and the second is the value for the custom attribute. The script modifies extensionAttribute1 but its can be easly adapted to modify other attributes. I've also included a VB.NET sample that does the same thing using System.Directoryservices just for fun.

I've posted a downloadable copy of both sample here

The script looks like

pfnamemail = wscript.arguments(0)
customvalue = wscript.arguments(1)
set conn = createobject("ADODB.Connection")
set com = createobject("ADODB.Command")
Set iAdRootDSE = GetObject("LDAP://RootDSE")
strNameingContext = iAdRootDSE.Get("defaultNamingContext")
rangeStep = 999
lowRange = 0
highRange = lowRange + rangeStep
Conn.Provider = "ADsDSOObject"
Conn.Open "ADs Provider"
pfQuery = ";(&(&(&(& (mailnickname=*) (| (objectCategory=publicFolder) )))(objectCategory=publicFolder)(mail=" & pfnamemail & ")));name,distinguishedName;subtree"
Com.ActiveConnection = Conn
Com.CommandText = pfQuery
Set Rs = Com.Execute
While Not Rs.EOF
set objuser = getobject("LDAP://" & rs.fields("distinguishedName"))
objuser.extensionAttribute1 = customvalue
wscript.echo "Modified folder " & objuser.displayname & " Added attribute " & objuser.extensionAttribute1

The .NET sample looks like

Dim strnewvalue As String = "newvalue"
Dim strpfnamemail As String = ""
Dim objsearch As New System.DirectoryServices.DirectorySearcher
Dim strrootdse As String = objsearch.SearchRoot.Path
Dim objdirentry As New System.DirectoryServices.DirectoryEntry(strrootdse)
Dim objresult As System.DirectoryServices.SearchResult
Dim stremailaddress As String
Dim strhomeserver As String
Dim pffolder As System.DirectoryServices.DirectoryEntry
Dim pffolderdn As String
objsearch.Filter = "(&(&(&(& (mailnickname=*) (| (objectCategory=publicFolder) )))(objectCategory=publicFolder)(mail=" & strpfnamemail & ")))"
objsearch.SearchScope = DirectoryServices.SearchScope.Subtree
Dim colresults As DirectoryServices.SearchResultCollection = objsearch.FindAll()
For Each objresult In colresults
pffolderdn = "LDAP://" & objresult.GetDirectoryEntry().Properties("distinguishedName").Value
pffolder = New System.DirectoryServices.DirectoryEntry(pffolderdn)
pffolder.Properties("extensionAttribute1").Item(0) = strnewvalue