IIS 5 & IIS 6
Setting multiple Cookies using ISAPI Filter
Re: Setting multiple Cookies using ISAPI Filter
Oct 07, 2013 02:00 AM|Angie xu - MSFT|LINK
I can see on Fiddler that the first cookie got all the string concatenated and the others cookies were not changed. I'm using IIS 6.
For this issue, I'm afraid that it can only set one cookie at a time. You can also take a look at this discussion below,
Cannot set multiple cookies with one CookieEncoder