Hi Vministrator, I could understand your feelings, please be patient that these expert will try their best to help you. Now that things have taken place, what I can help you is to give you more information on how to avoid it in the future, here is a Best Practices Slide Deck for your information, and you could find how MSIT do the patching and minimize the downtime. Thanks for your understanding. Lambert Qin TechNet Subscriber Support in forum If you have any feedback on our support, please contact tngfb@microsoft.com Sincerely, Lambert Qin Posting is provided "AS IS" with no warranties, and confers no rights.