Last Modified: Mar 21, 2019
Opened: Aug 26, 2013
Related AskF5 Article: K14958
When a user logs in with Multidomain SSO, some cookies are set. At logout, one set of these cookies does not have a domain set, and are not deleted.
When logging in, the existing cookies can cause errors.
It appears this only applies when Cookie Scope is set to Host.
Here are two workarounds. 1. Clearing the cookies allows the user to log in again. 2. The problem does not seem to occur if you change Cookie Scope to Domain instead of Host.