I would like to know about how the network bacndwidth can be managed for deployment to 10 or more PCs. Multicast is enabled, 1Gbps speed.

Hi, From the description, I notice the issue is related to SCCM and MDT, please post a new thread on their forum to ensure you get the accurate answer. I am sorry for the inconvenience. System Center Configuration Manager http://social.technet.microsoft.com/Forums/en/category/configurationmanager/ Regards, NikiPlease remember to click "Mark as Answer" on the post that helps you, and to click "Unmark as Answer" if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.