Here is the setup. Basic html > head > body nothing but the invocation code in the body for that specific ads. Same campaign, same banner. I did set the capping to 2 total and reset every 5 minutes I cleared all my cookies related to our ads server and ran the page. After 30 refresh in about 10 minutes span, I received the ads every single time. The 2 impression total was totaly ignored. Here are the cookie that were generated after the first impression: Name: OAGEO Content : CA%7CQC%7CBoisbriand%7C%7C45.61%7C-73.84%7C%7C%7C%7C%7C Expires: When the browsing session ends Name: OAID Content: fa6c2dbae0cf4e2a83df4b0184bc9a7c Expires: Wednesday, Oct 19, 2016 Name: _OABLOCK[4053] Content: 1445366911 Expires: Thursday, November 19, 2015 Name: _OACAP[4053] Content: 1 Expires: Wednesday, October 19, 2016