'==============================================================================
'==============================================================================
'
' Copyright (C) 2001 by Microsoft Corporation. All rights reserved.
'
' This script deletes all Active Directory objects used by the
' Distributed Link Tracking Server service.
'
' It is assumed that the DLT Server service has been disabled,
' and you wish to recover the DIT space these objects occupy.
'
' Usage: cscript DltPurge.vbs <options>
' Options: -s ServerName
' -d distinguishedname dc=mydomain,dc=mycompany,dc=com
' -b BatchSize BatchDelayMinutes
' -t (optional test mode)
'
' The objects are deleted in batches - BatchSize objects are deleted,
' then there is a BatchDelayMinutes delay before the next batch.
'
'==============================================================================
'==============================================================================
Option Explicit
'
' Globals, also local to main.
'
Dim oProvider
Dim oTarget
Dim sServer
Dim sDomain
Dim bTest
Dim BatchSize
Dim BatchDelayMinutes
'
' Set defaults
'
BatchSize = 1000
BatchDelayMinutes = 15
bTest = False
'==============================================================================
'
' ProcessArgs
'
' Parse the command-line arguments. Results are set in global variables
' (oProvider, oTarget, sServer, sDomain, BatchSize, and BatchDelayMinutes).
'
'==============================================================================
public function ProcessArgs
Dim iCount
Dim oArgs
on error resume next
'
' Get the command-line arguments
'
Set oArgs = WScript.Arguments
if oArgs.Count > 0 then
'
' We have command-line arguments. Loop through them.
'
iCount = 0
ProcessArgs = 0
do while iCount < oArgs.Count
select case oArgs.Item(iCount)
'
' Server name argument
'
case "-s"
if( iCount + 1 >= oArgs.Count ) then
Syntax
ProcessArgs = -1
exit do
end if
sServer = oArgs.Item(iCount+1)
if Len(sServer) > 0 then sServer = sServer & "/"
iCount = iCount + 2
'
' Enable testing option
'
case "-t"
iCount = iCount + 1
bTest = True
'
' Domain name option
'
case "-d"
if( iCount + 1 >= oArgs.Count ) then
Syntax
ProcessArgs = -1
Exit Do
end if
sDomain = oArgs.Item(iCount+1)
iCount = iCount + 2
'
' Batching option (batch size, batch delay)
'
case "-b"
if( iCount + 2 >= oArgs.Count ) then
Syntax
ProcessArgs = -1
exit do
end if
Err.Clear
BatchSize = CInt( oArgs.Item(iCount+1) )
BatchDelayMinutes = CInt( oArgs.Item(iCount+2) )
if( Err.Number <> 0 ) then
wscript.echo "Invalid value for -b argument" & vbCrLf
Syntax
ProcessArgs = -1
exit do
end if
iCount = iCount + 3
'
' Help option
'
case "-?"
Syntax
ProcessArgs = -1
exit do
'
' Invalid argument
'
case else
' Display the syntax and return an error
wscript.echo "Unknown argument: " & oArgs.Item(iCount) & vbCrLf
Syntax
ProcessArgs = -1
Exit Do
end select
loop
else
'
' There were no command-line arguments, display the syntax
' and return an error.
'
Syntax
ProcessArgs = -1
end if
Set oArgs = Nothing
end function ' ProcessArgs
'==============================================================================
'
' Syntax
'
' Show the command-line syntax
'
'==============================================================================
public function Syntax
wscript.echo vbCrLf & _
"Purpose: Delete Active Directory objects from Distributed Link Tracking" & vbCrLf & _
" Server service (Assumes that DLT Server has been disabled" & vbCrLf & _
" on all DCs)" & vbCrLf & _
vbCrLf & _
"Usage: " & wscript.scriptname & " <arguments>" & vbCrLf & _
vbCrLf & _
"Arguments: -s Server" & vbCrLf & _
" -d FullyQualifiedDomain" & vbCrLf & _
" -b BatchSize BatchDelayMinutes (default to 1000 and 15)" & vbCrLf & _
" -t (optional test mode, nothing is deleted)" & vbCrLf & _
vbCrLf & _
"Note: Objects are deleted in batches, with a delay between each" & vbCrLf & _
" batch. The size of the batch defaults to 1000 objects, and" & vbCrLf & _
" the length of the delay defaults to 15 minutes. But these" & vbCrLf & _
" values can be overridden using the -b option." & vbCrLf & _
vbCrLf & _
"Example: " & wscript.scriptname & " -s myserver -d distinguishedname dc=mydomain,dc=mycompany,dc=com "
end function ' Syntax
'==============================================================================
'
' PurgeContainer
'
' Delete all objects of the specified class in the specified container.
' This subroutine is called once for the volume table and once for
' the object move table.
'
'==============================================================================
sub PurgeContainer(ByRef oParent, ByVal strClass)
dim oChild
dim iBatch
dim iTotal
On Error Resume Next
iTotal = 0
iBatch = 0
' Loop through the children of this container
For Each oChild in oParent
'
' Is this a DLT object?
'
if oChild.Class = strClass Then
'
' Yes, this is a DLT object, it may be deleted
'
iTotal = iTotal + 1
iBatch = iBatch + 1
'
' Delete the object
'
if bTest then
wscript.echo "Object that would be deleted: " & oChild.adspath
else
oParent.Delete oChild.Class, oChild.Name
end if
'
' If this is the end of a batch, delay to let replication
' catch up.
'
if iBatch = BatchSize then
iBatch = 0
wscript.stdout.writeline "" ' ignored by wscript
wscript.echo "Deleted " & BatchSize & " objects"
wscript.echo "Pausing to allow processing (will restart at " & DateAdd("n", BatchDelayMinutes, Time) & ")"
wscript.sleep BatchDelayMinutes * 60 * 1000
wscript.echo "Continuing ..."
end if
else
' oChild.Class didn't match strClass
wscript.echo "Ignoring unexpected class: " & oChild.Class
end if
oChild = NULL
Next
wscript.echo "Deleted a total of " & iTotal & " objects"
end sub ' PurgeContainer
'==============================================================================
'
' Main
'
'==============================================================================
if (ProcessArgs=-1) then wscript.quit
on error resume next
'
' Explain what's about to happen
'
wscript.stdout.writeline "" ' ignored by wscript
wscript.echo "This script will purge all objects from the Active Directory" & vbCrLf & _
"used by the Distributed Link Tracking Server service (trksvr)." & vbCrLf & _
"It is assumed that this service has already been disabled on" & vbCrLf & _
"all DCs in the domain."
'
' When running in cscript, pause to give an opportunity to break out
' (These 3 lines are for cscript and ignored by wscript.)
'
wscript.stdout.writeline ""
wscript.stdout.writeline "Press Enter to continue ..."
wscript.stdin.readline
'
' Get an ADSI object
'
Set oProvider = GetObject("LDAP:")
'
' Purge the System/FileLinks/ObjectMoveTable
'
wscript.stdout.writeline "" ' ignored by wscript
wscript.echo "Purging ObjectMoveTable"
Set oTarget = oProvider.OpenDSObject( "LDAP://" & sServer & "cn=ObjectMoveTable,CN=FileLinks,CN=System," & sDomain ,_
vbNullString, vbNullString, _
1) ' ADS_SECURE_AUTHENTICATION
call PurgeContainer( oTarget, "linkTrackOMTEntry" )
oTarget = NULL
'
' Purge the System/FileLinks/VolumeTable
'
wscript.stdout.writeline "" ' ignored by wscript
wscript.echo "Purging VolumeTable"
Set oTarget = oProvider.OpenDSObject("LDAP://" & sServer & "cn=VolumeTable,CN=FileLinks,CN=System," & sDomain ,_
vbNullString, vbNullString, _
1) ' ADS_SECURE_AUTHENTICATION
call PurgeContainer( oTarget, "linkTrackVolEntry" )
oTarget = NULL
oProvider = NULL
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