declare @Jobs table (jobId uniqueidentifier)
declare @Steps table (stepId int)
declare @jobId uniqueidentifier,
		@stepId int

insert into @Jobs select job_id from msdb.dbo.sysjobs

while exists(select 1 from @Jobs)
begin
	select top 1 @jobId = jobId from @Jobs
	delete from @Steps
	insert into @Steps select step_id from msdb.dbo.sysjobsteps where job_id = @jobId
	while exists(select 1 from @Steps)
	begin
		select top 1 @stepID = stepId from @Steps
		exec msdb.dbo.sp_update_jobstep @job_id=@jobId, @step_id=@stepId, @flags=8
		delete from @Steps where stepId = @stepId
	end
	delete from @Jobs where jobId=@jobId
end