Here is a question that I have not found an answer regarding ITMU Version 3 and SMS 2003. I have a Primary Site and 5 Secondary Sites. I attempt to distribute Security Updates via SMS 2003 using ITMU Version 3 and it will run and say it has completed. However, you will look at the client machine and see no updates installed. Re-Run the advertisement and the Software updates start installing. Has anyone seen this?