windows - How to schedule a logon task via VBScript -


i tried number of variations of microsoft's example. none worked. following code looks like, , (see below) doesn't work:

option explicit  '******************************************************** ' create taskservice object. dim service set service = createobject( "schedule.service" ) call service.connect()  '******************************************************** ' folder create task definition in.  dim rootfolder set rootfolder = service.getfolder("\")  ' taskdefinition variable taskdefinition object. dim taskdefinition ' flags parameter 0 because not supported. set taskdefinition = service.newtask(0)   '----------------- principal ' taskdefinition.principal.logontype = 3 ' taskdefinition.principal.userid = "s-1-5-21-2764009396-4153354299-2297777058-1001" ' taskdefinition.principal.runlevel = 0  ' least privilege ' taskdefinition.principal.groupid = "builtin\administrators"   '******************************************************** ' define information task.  ' set registration info task  ' creating registrationinfo object. dim reginfo set reginfo = taskdefinition.registrationinfo reginfo.description = "task execute notepad when " & _     "specified user logs on." reginfo.author = "author name"  ' set task setting info task scheduler ' creating tasksettings object. dim settings set settings = taskdefinition.settings settings.startwhenavailable = true  '******************************************************** ' create logon trigger. ' constant specifies logon trigger. const triggertypelogon = 9  dim triggers set triggers = taskdefinition.triggers  dim trigger set trigger = triggers.create(triggertypelogon)  ' trigger variables define when trigger active. dim starttime, endtime starttime = "2006-05-02t10:49:02" endtime = "2046-05-02t10:52:02"  'wscript.echo "starttime :" & starttime 'wscript.echo "endtime :" & endtime  trigger.startboundary = starttime trigger.endboundary = endtime trigger.executiontimelimit = "pt5m"    ' 5 minutes trigger.id = "logontriggerid" trigger.userid = "alfp" ' "alfswindowspc10\alfp"   ' must valid user account  trigger.enabled = true   '*********************************************************** ' create action task execute.  ' constant specifies executable action. const actiontypeexecutable = 0     ' add action task. action executes notepad. dim action set action = taskdefinition.actions.create( actiontypeexecutable ) action.path = "c:\windows\system32\notepad.exe"  wscript.echo "task definition created. submit task..."  '*********************************************************** ' register (create) task. const createorupdatetask = 6  call rootfolder.registertaskdefinition( _     "test logon trigger", taskdefinition, createorupdatetask, _     "builtin\administrators", , 4)  wscript.echo "task submitted."

all attempts far have crashed on rootfolder.registertaskdefinition call @ end, apparently claiming there's wrong user id, or alternatively group id.

[c:\my\tezt] > cscript //e:vbscript //nologo example_create_task.vbs task definition created. submit task... c:\my\tezt\example_create_task.vbs(88, 5) (null): (42,4):groupid:   [c:\my\tezt] >_

it not seem matter whether run in normal or elevated mode.

scheduling logon task via schtasks command works xml task definition, , elevated mode task specified via options.

it turned out magic number 4 in ms code task_logon_group. changed 3, task_logon_interactive_token, , removed "builtin\administrators" user id override, , works.


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