The acknowledged solution doesn't look to work for IIS7+, heading by the big amount of questions on cache headers not remaining despatched in II7: A single Option will be to move a timestamp to ensure ie thinks It really is a special http service ask for. That worked for me, https://tarotbizum42244.therainblog.com/35272192/the-basic-principles-of-grúa-con-brazo-extensible-para-obras